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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.