Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.