This science fair project idea experiments with spinning color wheels and optical illusions.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Make edible amber fossils with your second grader to explore the fascinating world of science!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.