In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Learn how different types of soil affect how animal tracks form in this experiment!

In this activity your child will create their very own marble maze!

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.