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The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Hunt for natureâs treasure, the many different products made by trees!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

The objective of this science project is to determine the length of time for different seeds to germinate.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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?

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Help your child make a beautiful homemade sandcastle that will last!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

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

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

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

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!