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Activity
Serendip

Should You Drink Sports Drinks? When? Why?

For Teachers 9th - 12th Standards
New research proves even rinsing your mouth with carbohydrates without swallowing improves performance of the central nervous system. While some think sports drinks are amazing, others say they are a waste of money. Scholars learn about...
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Learning
Serendip

Get the Lead Out!

For Teachers 9th - 12th Standards
Around 500,000 children under the age of six suffer from elevated levels of lead in their blood in the United States. Scholars apply their knowledge about lead to a fun game. As they correctly answer questions, they move their pieces...
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Activity
Serendip

Mitosis, Meiosis and Fertilization Vocabulary Review Taboo Game

For Teachers 9th - 12th Standards
Can you describe a gamete without using the words sperm or egg? Scholars play a vocabulary review game where they try to get other players to guess their words. Each card has the target word as well as two related words they must not...
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Activity
Serendip

How Do Muscles Get the Energy They Need for Athletic Activity?

For Teachers 9th - 12th Standards
Every muscle movement requires energy, but where does that energy come from? Scholars answer this question and more as they complete a worksheet. By following the directions, completing research, and discussing it as a class, they begin...
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PPT
Biology Junction

Viruses, Viroids, and Prions

For Students 9th - 12th Standards
Are viruses living or non-living? According to the presentation, they are both and neither. Clearly, this requires clarification and an in-depth look at viruses, viroids, and prions. Young scientists learn about the history, structure,...
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PPT
Biology Junction

Introduction to the Plant Kingdom

For Students 9th - 12th Standards
Plants provide humans with food, shelter, and medications. Scholars gain a better appreciation for plants after learning their functions, divisions, and early ancestors. Each sub-topic includes slides highlighting vocabulary and...
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PPT
Biology Junction

Population Genetics

For Students 9th - 12th Standards
Genetic variation shows the health of a population, yet cheetahs show very little variation over that last 10,000 years. Scholars learn the importance of genetic variation in populations after viewing an informative presentation. It...
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PPT
Biology Junction

Lamarck vs. Darwin: Introduction to Change in Organisms

For Students 9th - 12th Standards
How are traits passed down from parents? Jean Baptiste Lamarck and Charles Darwin envisioned conflicting theories. Learn about both scientists and their theories with an insightful presentation. Giraffes and dogs serve as examples of...
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PPT
Biology Junction

Evolution – Diversity of Life

For Students 9th - 12th Standards
Scientists noticed animals with backbones share similar bone structure despite having different forms, such as fins, arms, and wings. Young scientists gain an appreciation for evolution by understanding the history of the theory. They...
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PPT
Biology Junction

Origin of Life

For Students 9th - 12th Standards
Aristotle explained the idea of spontaneous generation, a concept which lasted almost 2,000 years before scientists proved it wrong. Scholars learn about the history of our understanding of the origins of life. They read examples of...
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PPT
Biology Junction

Classification of Life

For Students 9th - 12th Standards
Did you know scientists identify more than 13 billion species of organisms, and they discover more almost every day? An interesting presentation demonstrates how scientists keep track of so many species. It also shows how they...
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PPT
Biology Junction

DNA Technology

For Students 9th - 12th Standards
One of the first biotechnology breakthroughs occurred in 1982 with the creation of synthetic insulin. Young scientists learn about DNA technology with a presentation and accompanying worksheet. It focuses on DNA extraction and...
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PPT
Biology Junction

DNA and Replication

For Students 9th - 12th Standards
Enzymes proofread DNA, reducing the error rate to one in one billion base pairs. Learn about the important process and so much more with the help of a presentation. It opens with the history of DNA and the major scientific contributions...
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PPT
Biology Junction

Strawberry DNA

For Students 9th - 12th Standards
Humans eat around 93,205 miles of DNA in an average meal. Scholars learn how to extract DNA from a strawberry using a presentation. It walks through each step and explains why the process works. Comprehension questions encourage...
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PPT
Biology Junction

Cellular Division

For Students 9th - 12th Standards
Based on current scientific knowledge, all cells come from preexisting cells. Scholars learn about cell division, cell replication, mitosis, meiosis, and more with a PowerPoint. It describes the differences between prokaryotes and...
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PPT
Biology Junction

The Structure of DNA

For Students 9th - 12th Standards
Did you know that all life on Earth has DNA? Explore the importance of the molecule by learning about its structure. The unique DNA shape, bases, and bonds allow the incredible diversity seen all over the world.
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Activity
Howard Hughes Medical Institute

EarthViewer Climate Guide Activity

For Students 9th - 12th Standards
What did Earth look like 4.5 billion years ago, and what was the climate like then? Scholars explore a view of Earth throughout history. They observe continents moving, temperatures fluctuating, and huge changes in ecosystems. A...
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Activity
Howard Hughes Medical Institute

Distribution of Elements in Earth’s Crust

For Students 9th - 12th Standards
How do scientists know the difference between a meteorite from space and a regular rock from the earth? Scholars read a passage and answer comprehension questions about the creation of the solar system. They extrapolate the main ideas to...
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PPT
Biology Junction

Photosynthesis: Energy and Life

For Teachers 9th - 12th Standards
All life requires energy ... and the connection between energy and plant life typically requires photosynthesis. Scholars explore photosynthesis in depth from ATP/ADP through the Calvin cycle. A helpful presentation highlights concepts...
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PPT
Biology Junction

Protein Synthesis

For Students 9th - 12th Standards
Watson and Crick built the first model of DNA in the 1950s, and our understanding of DNA since then continues to grow exponentially. Scholars learn about protein synthesis by observing a presentation and completing a worksheet. Both walk...
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PPT
Biology Junction

Chromosomes and Karyotypes

For Students 9th - 12th Standards
 One in 150 babies born presents a chromosomal condition, and society is getting closer to recognizing these as normal variations. Scholars learn about chromosomes and karyotypes with a resource that focuses on Down Syndrome as well...
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Activity
Howard Hughes Medical Institute

Calculating Iridium Fallout from an Asteroid Impact

For Students 9th - 12th Standards
Should we be afraid of a large asteroid impact on Earth today? Young scientists estimate the size and composition of an asteroid similar to the one that caused the K-T mass extinction. They apply algebraic formulas to answer questions...
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Activity
Howard Hughes Medical Institute

Reading Primary Sources: Darwin and Wallace

For Teachers 9th - 12th Standards
Take your classes back in time. Learners read real historical texts from both Darwin and Wallace as well as an announcement of their findings. Using guiding questions, they make inferences and draw conclusions from the information in the...
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Activity
Howard Hughes Medical Institute

Look Who's Coming for Dinner: Selection by Predation

For Teachers 9th - 12th Standards
What happens when a new predator comes to town? Learners analyze an experiment that studies the effect of predation on selection. They use real data to draw conclusions about the impact a new predator has on a prey species.