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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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

Word color association is just a fancy way to talk about the way we connect colors with words.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Here's a science activity to help your child investigate how seeds are designed to travel.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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 activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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?

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project teaches students about wilting and browning of salad greens.