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

Introduce your child to science with something they see everyday--their shadow!

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Learn with makes water molecules work with this fun and easy science activity!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.