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Showing 1-100 of 104 Resources
  • Asking Scientific Questions

    Asking Scientific Questions

    Lessons

    In this activity, students practice developing and analyzing creative scientific questions.

  • How Science Works

    How Science Works

    Click & Learn

    This interactive tool allows students and educators to document, annotate, and reflect upon their own and others' scientific research process.

  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    Lessons

    In this activity, students collect and analyze evidence for each of the major conditions for evolution by natural selection to develop an explanation for how populations change over time.

  • Using Images as Phenomena

    Using Images as Phenomena

    Lessons

    This hands-on activity engages students in asking questions about phenomena using images from the Image of the Week Collection.

  • Scientists at Work Guide

    Scientists at Work Guide

    Resource Guides

    A guide to BioInteractive’s Scientists at Work series of videos aligned to relevant curriculum standards.

  • The Search for a Mutated Gene

    The Search for a Mutated Gene

    Scientists at Work

    (8 min 54 sec) This video describes the case of a patient with retinitis pigmentosa (RP), a progressive disease that leads to blindness, and how physician-scientist Dr. Ed Stone approached the search for the causal mutation.

  • Tracking Genetically Modified Mosquitoes

    Tracking Genetically Modified Mosquitoes

    Lessons

    Genetically modified mosquitoes have been used to reduce mosquito populations and the diseases they spread. But how can we tell if the method works? In this activity, students analyze data from a field experiment.

  • Microbial Community Response to an Oil Spill

    Microbial Community Response to an Oil Spill

    Data Points

    Researchers monitored the succession of the microbial community in the Gulf of Mexico using data from before, during, and after the Deepwater Horizon oil spill.

  • Using Wolbachia to Suppress Mosquito Fertility

    Using Wolbachia to Suppress Mosquito Fertility

    Data Points

    In this study, researchers tested whether releasing Wolbachia-infected male Aedes albopictus (Asian tiger mosquitoes) would suppress populations of this mosquito species in their study area.

  • How Lizards Find Their Way Home

    How Lizards Find Their Way Home

    Scientists at Work

    (8 min 33 sec) This video describes the research of Dr. Manuel Leal, who is studying territorial lizards to understand how they navigate the dense forests of Puerto Rico to find their way to their home trees.

  • WildCam Darién

    WildCam Darién

    Click & Learn

    Researchers in Darién and Soberanía National Parks use remote trail cameras to study jaguars and their prey. You can contribute to this important research through WildCam Darién, an online citizen science platform.

  • Sleep Clears β-amyloid from the Brain

    Sleep Clears β-amyloid from the Brain

    Data Points

    This activity analyzes a published scientific figure from a study that investigated the biological importance of sleep. In this study, scientists tested whether sleep plays a role in removing harmful substances from the brain.

  • Trophic Cascades in Salt Marsh Ecosystems

    Trophic Cascades in Salt Marsh Ecosystems

    Scientists at Work

    (10 min 1 sec) Ecologist Brian Silliman uses manipulative field experiments to reveal that salt marsh ecosystems are under top down control from consumers and predators.

  • Riverine Food Webs – How Flow Rates Affect Biomass

    Riverine Food Webs – How Flow Rates Affect Biomass

    Scientists at Work

    (9 min 15 sec) Ecologist Mary Power studies the Eel River in Northern California to figure out the connection between river flows and biodiversity.

  • Mimicry in a Diverse Community of Arthropods

    Mimicry in a Diverse Community of Arthropods

    Data Points

    Researchers exposed arthropod mimics that use a golden patch to warn of unpalatability to predators with different prey preferences to determine how effective their warnings were.

  • Snail Fronts and Salt Marsh Die-Offs

    Snail Fronts and Salt Marsh Die-Offs

    Data Points

    Researchers studied whether periwinkle snail fronts expand mudflats and contribute to salt marsh die-offs.

  • Tracking Global Changes in Forest Cover

    Tracking Global Changes in Forest Cover

    Data Points

    Researchers used satellite imagery analyze the amount of forest that was lost annually across the globe between 2000 and 2012.

  • Studying Elephant Communication

    Studying Elephant Communication

    Scientists at Work

    (6 min 43 sec) Elephants can communicate over long distances using low-frequency sounds that travel both in the air and through the ground. Scientists are studying whether elephants can “hear” and interpret these ground vibrations.

  • Cell Division and Cancer Risk

    Cell Division and Cancer Risk

    Data Points

    Cancer is typically attributed to hereditary and environmental factors, but these only explain a fraction of overall cancer risk. In this study, researchers investigated how a third factor—chance genetic mutations that occur during stem cell division—may contribute to the overall rate of cancer incidence in different body tissues.

  • Bat Echolocation

    Bat Echolocation

    Data Points

    In this study, researchers tested whether bats change their behavior while hunting based on feedback from echolocation.

  • Dating Corn Domestication Using Carbon Isotopes

    Dating Corn Domestication Using Carbon Isotopes

    Data Points

    To study the change in diet as human populations changed lifestyles from hunter-gatherers to agriculturalists, scientists measured carbon isotopes in the collagen tissues of human skeletons from North America.

  • Patterns of Zoonotic Disease

    Patterns of Zoonotic Disease

    Data Points

    In this study, scientists analyzed previously published data on terrestrial mammal zoonotic host species and the pathogens they carry to search for global patterns of zoonotic disease distribution.

  • The Effects of Fungicides on Bumble Bee Colonies

    The Effects of Fungicides on Bumble Bee Colonies

    Scientists at Work

    (6 min 25 sec) Are fungicides safe for bumble bees? Entomologist Shawn Steffan designed an experiment to answer this question.

  • Tagging Bumble Bees to Study Their Movements

    Tagging Bumble Bees to Study Their Movements

    Scientists at Work

    (6 min 1 sec) Graduate student Jeremy Hemberger designs an experiment to study the foraging behavior of bumble bees in different habitats.

  • The Great Elephant Census Modeling Activity

    The Great Elephant Census Modeling Activity

    Labs & Demos

    In this classroom activity, students will model two types of counting methods, sample counts and total counts, to determine population size. 

  • Dead Zones in Coastal Ecosystems

    Dead Zones in Coastal Ecosystems

    Data Points

    Researchers overlaid the locations of more than 400 hypoxic systems linked to eutrophication on a map of the global “human footprint.”

  • Thermoregulation in Dinosaurs

    Thermoregulation in Dinosaurs

    Data Points

    Grady and colleagues compared dinosaur fossil evidence with evidence from living animal species to shed more light on the type of thermoregulation that dinosaurs used—ectothermy, endothermy, or mesothermy.

  • Film Guide for Some Animals are More Equal than Others

    Film Guide for Some Animals are More Equal than Others

    Film Activities

    The following classroom-ready resources complement the film Some Animals Are More Equal Than Others: Trophic Cascades and Keystone Species. It tells the story of the bold experiments by Robert Paine and James Estes, which established the importance of keystone species in regulating ecological communities and the cascades of effects set in motion by their removal.

  • Virus Hunter: Monitoring Nipah Virus in Bat Populations

    Virus Hunter: Monitoring Nipah Virus in Bat Populations

    Scientists at Work

    (9 min 1 sec) In this video we follow scientists working in Bangladesh as they test fruit bat populations to determine whether they are infected with Nipah virus—a potentially deadly virus when passed on to humans.

  • Selective Breeding in Maize

    Selective Breeding in Maize

    Data Points

    Researchers performed the longest-running, controlled artificial selection experiment to study whether they could increase the protein concentration of maize (corn) by selective breeding.

  • Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Data Points

    A team of scientists analyzed the DNA from seized ivory to determine where the ivory from poached elephants came from.

  • CSI Wildlife

    CSI Wildlife

    Click & Learn

    In this interactive, students use DNA profiling, or fingerprinting, to solve two cases of elephant poaching. In the process they will learn about genetic markers, PCR, gel electrophoresis, allele frequencies, and population genetics.

  • Survey Methods

    Survey Methods

    Click & Learn

    In this interactive, students explore the methods scientists use to survey elephants and learn about the current state of the elephant population in Africa.

  • The Great Elephant Census

    The Great Elephant Census

    Scientists at Work

    (8 min 23 sec) How many African elephants are left and where are they? This video follows the work of researchers conducting the first census of African savanna elephants in over 40 years and the methods they are using to obtain accurate, up-to-date numbers across the continent. 

  • Elephants

    Elephants

    Collection

    Students will learn about DNA profiling (or fingerprinting), how population sizes are measured, genetic bottlenecks, and how sound travels, as they explore several interactives and videos based on...

  • Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Origin of a Gene Mutation Causing Early-Onset Alzheimer’s Disease

    Data Points

    This activity analyzes a published scientific figure from a study of a family that has a high prevalence of Alzheimer’s disease.

  • Moth Mimicry: Using Ultrasound to Avoid Bats

    Moth Mimicry: Using Ultrasound to Avoid Bats

    Scientists at Work

    (10 min 24 sec) This video follows scientists as they uncover the ways in which moth species in Gorongosa National Park use ultrasound to avoid being eaten by bats.

  • Amylase Copy Number and Diet

    Amylase Copy Number and Diet

    Data Points

    A team of scientists investigated whether there is a correlation between the number of AMY1 gene copies and the type of diet (high-starch or low-starch) of a population.

  • WildCam Lab

    WildCam Lab

    Click & Learn

    The WildCam Lab is a part of WildCam Gorongosa, an online citizen science platform where users identify animals in trail camera photos. Using the WildCam Lab, students can investigate ecological questions and test hypotheses by exploring trail camera data using an interactive map. 

  • Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades

    Short Films

    (19 min 29 sec) Keystone species and trophic cascades are fundamental concepts in ecology. This short film tells the story of how these concepts were first established through the pioneering experiments of two young researchers: Robert Paine and James Estes.

  • Spreadsheet Tutorial 5: Histogram

    Spreadsheet Tutorial 5: Histogram

    Lessons

    Generate a histogram using a variety of methods.

  • Spreadsheet Tutorial 4: t-Test

    Spreadsheet Tutorial 4: t-Test

    Lessons

    Calculate t-values and perform t-tests using built-in functions.

  • Identifying Autism Genes by Tracking Gene Mutations

    Identifying Autism Genes by Tracking Gene Mutations

    Data Points

    A team of scientists used homozygosity mapping to map SNPs on chromosome 3 in a family with an autistic son to identify a likely gene that caused the disorder.

  • Data Points

    Data Points

    Data Points

    BioInteractive’s Data Points are a monthly series that features a graph or figure from a scientific journal article for students to interpret and discuss as a class. The student handout includes the...

  • Student Discussion on Patterns and Processes in Ecology

    Student Discussion on Patterns and Processes in Ecology

    Science Talks

    (56 min 17 sec) The 2015 Holiday Lecture discussion session.

  • The Teosinte Hypothesis

    The Teosinte Hypothesis

    Lessons

    In this activity, students further explore the short film Popped Secret: The Mysterious Origin of Corn, by working through the mathematical concepts behind George Beadle’s claim that teosinte is the wild ancestor of maize.

  • Effects of Predation on the Niche of Lizards

    Effects of Predation on the Niche of Lizards

    Data Points

    A team of scientists studied the effects of introducing a lizard predator on the food webs of a group of small islands in the Bahamas.

  • A Science-Based Approach to Restoring Gorongosa's Wildlife

    A Science-Based Approach to Restoring Gorongosa's Wildlife

    Scientists at Work

    (7 min 45 sec) Scientists from Gorongosa National Park relocate zebras from a nearby reserve as part of the effort to restore healthy wildlife populations.

  • Surveying Ant Diversity in Gorongosa National Park

    Surveying Ant Diversity in Gorongosa National Park

    Scientists at Work

    (7 min 46 sec) Conservation biologist Leeanne Alonso is surveying ant species Gorongosa National Park to monitor the health of the park’s ecosystems

  • Efficacy of a Treatment for Chronic Myeloid Leukemia

    Efficacy of a Treatment for Chronic Myeloid Leukemia

    Data Points

    Dr. Brian Druker and colleagues monitored white blood cell counts in six patients with chronic myeloid leukemia treated with the drug, STI571, which blocks the activity of the cancer-causing tyrosine kinase BCR-ABL.

  • Origin of Birds With Quiz

    Origin of Birds With Quiz

    Interactive Videos

    (18 min 59 sec) Embedded quiz modules test students’ understanding as they watch a short film about the evidence that showed birds descended from dinosaurs.

  • Trends in Atmospheric Carbon Dioxide

    Trends in Atmospheric Carbon Dioxide

    Data Points

    This activity analyzes a figure showing the atmospheric carbon dioxide concentration from 1958 to 2016.

  • Scientists at Work

    Scientists at Work

    Collection

    Less than 10 minutes in length, each video dives into a scientific problem and how it is being studied. The accompanying handouts help assess student understanding and encourage further analysis....

  • Resistance to Coral Bleaching

    Resistance to Coral Bleaching

    Data Points

    This activity analyzes a published scientific figure from a study that tested whether corals can become more resistant to bleaching.

  • Genetic Origin of Variation in Human Skin Color

    Genetic Origin of Variation in Human Skin Color

    Data Points

    Dr. Rebecca Lamason and colleagues studied the genetic origin of variation in human skin color using a model organism, the zebrafish.

  • Niche Partitioning and Species Coexistence

    Niche Partitioning and Species Coexistence

    Scientists at Work

    (8 min 14 sec) This video describes the cutting-edge method of DNA metabarcoding and how it is used to study how animals partition resources in a shared habitat.

  • Analyzing Patterns in the Savanna Landscape

    Analyzing Patterns in the Savanna Landscape

    Scientists at Work

    (7 min 57 sec) This video showcases the work of mathematician-turned-biologist Dr. Corina Tarnita, who uses quantitative approaches to understand the role of termite mounds in the savanna ecosystem.

  • Comparative Anatomy of the Domestic Chicken

    Comparative Anatomy of the Domestic Chicken

    Click & Learn

    This interactive module traces the evolutionary history of birds by comparing the bone structures of a chicken to those of other species.

  • Human Skin Color: Evidence for Selection

    Human Skin Color: Evidence for Selection

    Case Studies

    In this case study, students use real data to propose hypotheses, make predictions, and justify claims with evidence, as an exploration of concepts presented in the short film The Biology of Skin Color.

  • The Origin of Flight: What Use Is Half a Wing?

    The Origin of Flight: What Use Is Half a Wing?

    Scientists at Work

    (8 min 16 sec) Biologist Ken Dial's study of how young birds use their developing wings sheds light on the evolution of flight in birds.

  • Natural Selection and the Evolution of Darwin's Finches

    Natural Selection and the Evolution of Darwin's Finches

    Card Activities

    In this activity, students develop arguments for the adaptation and natural selection of Darwin’s finches. Students use two key NGSS science and engineering practices: engaging in argument from evidence using mathematical and computational thinking, and analyzing and interpreting data.

  • The Science of Camera Traps

    The Science of Camera Traps

    Science Talks

    (23 min 44 sec) A discussion of camera traps and their use in ecological research.

  • Communities as Ecological Networks

    Communities as Ecological Networks

    Science Talks

    (41 min 18 sec) Ecosystems include complex interactions between animals and plants, which can be measured experimentally and investigated using mathematical models.

  • How Species Coexist

    How Species Coexist

    Science Talks

    (27 min 25 sec) Large herbivores in the African savanna coexist by partitioning ecological niches by time, space, and diet.

  • Activity for Popped Secret: The Mysterious Origin of Corn

    Activity for Popped Secret: The Mysterious Origin of Corn

    Film Activities

    This activity explores how scientists determined how and where corn was domesticated, as discussed in the short film Popped Secret: The Mysterious Origin of Corn.

  • Modeling Ecosystem Effects of Termite Mound Patterns

    Modeling Ecosystem Effects of Termite Mound Patterns

    Data Points

    Dr. Corina Tarnita and colleagues studied how a pattern of termite mounds across a dryland ecosystem enhances resilience against desertification.

  • Human Feet Are Strange

    Human Feet Are Strange

    Labs & Demos

    In this activity, students examine concepts about the evolution of human bipedality explored in the short film Great Transitions: The Origin of Humans. They create their own trackway of footprints and compare it to a trackway of fossil footprints.

  • Spreadsheet Data Analysis Tutorials

    Spreadsheet Data Analysis Tutorials

    Short Courses

    These tutorials are designed to show essential data analysis techniques using a spreadsheet program such as Excel. Follow the tutorials in sequence to learn the fundamentals of using a spreadsheet...

  • Spreadsheet Tutorial 3 -- Column Graphs, Error Bars, and Standard Error of the Mean

    Spreadsheet Tutorial 3 -- Column Graphs, Error Bars, and Standard Error of the Mean

    Lessons

    Generate a column or bar graph with standard error bars.

  • Spreadsheet Tutorial 2 -- Autofill Data, Cell References, and Standard Deviation

    Spreadsheet Tutorial 2 -- Autofill Data, Cell References, and Standard Deviation

    Lessons

    Generate a table with autofill, and use absolute cell reference to calculate variance and standard deviation.

  • Spreadsheet Tutorial 1 -- Formulae, Functions, and Averages

    Spreadsheet Tutorial 1 -- Formulae, Functions, and Averages

    Lessons

    Use formulas and functions to calculate the mean and median.

  • Effects of Natural Selection on Finch Beak Size

    Effects of Natural Selection on Finch Beak Size

    Data Points

    Rosemary and Peter Grant studied the change in beak depths of finches on the island of Daphne Major in the Galápagos Islands after a drought.

  • WildCam Gorongosa

    WildCam Gorongosa

    Click & Learn

    Researchers in Gorongosa National Park use remote trail cameras to study the park’s wildlife. You can contribute to this important research through WildCam Gorongosa, an online citizen science platform.

  • Schooling Behavior of Stickleback Fish from Different Habitats

    Schooling Behavior of Stickleback Fish from Different Habitats

    Data Points

    A team of scientists studied the schooling behavior of threespine stickleback fish by experimentally testing how individual fish responded to an artificial fish school model.

  • Surveying Gorongosa's Biodiversity

    Surveying Gorongosa's Biodiversity

    Scientists at Work

    (8 min 24 sec) Biologists Piotr Naskrecki and Jennifer Guyton identify and record the diversity of species in Gorongosa National Park’s Cheringoma Plateau.

  • Lactase Persistence: Evidence for Selection

    Lactase Persistence: Evidence for Selection

    Case Studies

    In this case study, students explore the story of the evolution of lactase persistence based on the short film Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture and makes connections between genotype, phenotype, and culture using graphical analysis skills.

  • Tracking Lion Recovery in Gorongosa National Park

    Tracking Lion Recovery in Gorongosa National Park

    Scientists at Work

    (8 min 58 sec) See how scientists in Gorongosa National Park are using GPS satellite collars and motion-sensitive cameras to gather data about the recovery of the park’s lion population.

  • Gorongosa National Park

    Gorongosa National Park

    Collection

    Gorongosa National Park in Mozambique was once a thriving national park, until a civil war decimated the park’s large animal populations and halted tourism. A new long-term restoration project is...

  • The Origin of Species

    The Origin of Species

    Collection

    Our planet has millions of species, including thousands of mammals, fish, birds, and reptiles, and even more butterflies, beetles, and other animals, each adapted to one of an enormous variety of...

  • Episode 1: Your Inner Fish

    Episode 1: Your Inner Fish

    Feature Films

    (54 min 41 sec) See how the genetic legacy of a fish can be seen today in our own DNA. PLEASE N​OTE: Due to international distribution restrictions, these programs can only be streamed in the United States and Canada.

  • Mesozoic Film with Quiz

    Mesozoic Film with Quiz

    Interactive Videos

    (33 min 43 sec) Embedded quiz modules test students’ understanding as they watch the short film on the asteroid that caused the extinction of the dinosaurs.

  • Steve Palumbi & Megan Morikawa Study Coral Reef Damage in American Samoa

    Steve Palumbi & Megan Morikawa Study Coral Reef Damage in American Samoa

    Scientists at Work

    (7 min 1 sec) This video describes the work of biologists Steve Palumbi and Megan Morikawa, who use field and controlled experiments to understand the mechanisms that allow some corals to tolerate a greater amount of heat stress than other corals.

  • Great Transitions: The Origin of Birds

    Great Transitions: The Origin of Birds

    Short Films

    (18 min 59 sec) This film follows paleontologist Julia Clarke as she describes some of the most important fossil evidence showing that birds descended from dinosaurs.

  • Anthony Barnosky and Kaitlin Maguire Measure Mammal Extinctions at the John Day Fossil Beds

    Anthony Barnosky and Kaitlin Maguire Measure Mammal Extinctions at the John Day Fossil Beds

    Scientists at Work

    (9 min 15 sec) Prehistoric extinction rates are calculated from fossil data in a paleodatabase and compared to today’s extinction rate.

  • Reading Primary Sources: Darwin and Wallace

    Reading Primary Sources: Darwin and Wallace

    Lessons

    This activity serves as a supplement to the HHMI short film The Origin of Species: The Making of a Theory. Students read and analyze excerpts from texts written by Charles Darwin and Alfred Russel Wallace and answer questions about the information presented, developing their nonfiction reading comprehension.

  • Milk: How Sweet Is It?

    Milk: How Sweet Is It?

    Labs & Demos

    In this activity, students simulate a lactose tolerance test, similar to the one shown in the short film The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture, to determine which samples contain the lactase enzyme.

  • Pulse Chase Primer: The Meselson-Stahl Experiment

    Pulse Chase Primer: The Meselson-Stahl Experiment

    Lessons

    This activity can be used in conjunction with the short film The Double Helix. It introduces students to the classic experiment by Matthew Meselson and Franklin Stahl, which revealed that DNA replication follows the semiconservative model.

  • CLARITY—Cutting Edge Microscopy for Brain Imaging

    CLARITY—Cutting Edge Microscopy for Brain Imaging

    Clips

    (1 min 17 sec) A new technique for making the brain transparent provides extremely detailed views of groups of neurons.

  • Beaks As Tools: Selective Advantage in Changing Environments

    Beaks As Tools: Selective Advantage in Changing Environments

    Labs & Demos

    This classroom experiment supports the film The Origin of Species: The Beak of the Finch. Students collect and analyze data to learn why even slight variations in beak size can make the difference between life and death.

  • Using DNA to Explore Lizard Phylogeny

    Using DNA to Explore Lizard Phylogeny

    Card Activities

    In this activity, students explore the phenomenon of convergent evolution presented in the short film The Origin of Species: Lizards in an Evolutionary Tree. They build and interpret phylogenetic trees to infer how certain adaptations evolved among the Anole lizard populations of the Caribbean.

  • Great Transitions: The Origin of Tetrapods

    Great Transitions: The Origin of Tetrapods

    Short Films

    (17 min 11 sec) One of the most exciting discoveries in the long history of fossil exploration is Tiktaalik, a creature with a mix of features common to fish and four-legged animals, or tetrapods.

  • A Lesson on the Nature of Science

    A Lesson on the Nature of Science

    Lessons

    A worksheet designed to show students how scientists make their discoveries. It provides students with background information about how Dr. Allison's work built upon the contributions made by other scientists. 

  • Stickleback Evolution Virtual Lab

    Stickleback Evolution Virtual Lab

    Virtual Labs

    This virtual lab teaches skills of data collection and analysis to study evolutionary processes using stickleback fish and fossil specimens.

  • The Day the Mesozoic Died

    The Day the Mesozoic Died

    Short Films

    (33 min 43 sec) This film tells the story of the scientific quest to explain one of the greatest, long-standing scientific mysteries: the sudden disappearance of the dinosaurs at the end of the Cretaceous period.

  • Testing a Hypothesis

    Testing a Hypothesis

    Lessons

    A worksheet designed to actively engage students as they watch the film. Students are asked to answer questions pertaining to the information provided in the film.

  • Following the Trail of Evidence

    Following the Trail of Evidence

    Lessons

    In this activity, students identify and explain the evidence presented in the short film The Day the Mesozoic Died that led to the discovery that an asteroid struck Earth about 66 million years ago, causing a mass extinction.

  • Film Guides: The Day the Mesozoic Died

    Film Guides: The Day the Mesozoic Died

    Film Activities

    The following classroom-ready resources complement The Day the Mesozoic Died, which tells the story of the extraordinary detective work that led to the stunning discovery that an asteroid struck Earth 66 million years ago, triggering a mass extinction of animals, plants and even microorganisms.

  • Using the Scientific Process to Study Human Evolution

    Using the Scientific Process to Study Human Evolution

    Click & Learn

    This interactive module explores how scientists use the scientific process to learn about the distant past of humans.

  • Stratigraphic Principles

    Stratigraphic Principles

    Clips

    (2 min 21 sec) Dr. John Shea demonstrates the two main principles in the study of rock layers: superposition and association.

  • Factors That Affect the Mosquito Life Cycle

    Factors That Affect the Mosquito Life Cycle

    Labs & Demos

    In this lab activity, students rear mosquitoes to test variables that might affect the mosquito life cycle.

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