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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

This science fair project idea explores whether talking to a plant will help it grow.

What happens when colored beams of light mix? You might be surprised.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

This science fair project idea demonstrates sonar mapping of the ocean floor.

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.

This experiment investigates whether there are certain sounds that affect men and women differently

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.

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This science fair project idea studies how talking on a cell phone affect driving?

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This science fair project idea experiments with spinning color wheels and optical illusions.