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Learn why we have seasons in this hands on activity.

Why does drinking too much alcohol make people feel so bad? Read about four theories.

Make a model of the water cycle and find out how water moves around on planet Earth.

Scientists have accumulated so much evidence in the theory of evolution that it is one of the most widely-accepted theories in science.

This strategy helps small groups of students consolidate knowledge about a topic.

We all know someone who has been affected by cancer. What causes cancer? Why is it getting more common?

Go on a transportation scavenger hunt in this hands-on activity. How many different types of vehicles can you identify?

Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.

Learn about the role of yeast in this fun decomposition reaction.

Take a tour of different rooms in your home. Which items in each room use electricity? How do you know they use electricity?

Explore the effects of asteroid impacts in this hands on activity.

Learn how sound travels in waves and how it is measured in this backgrounder.

Balls go up and down. But what makes for a good ball? Find out by exploring which materials bounce.

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

Students will explore the composition and characteristics of different local soils and learn about what makes soil healthy.