Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

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

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

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

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

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

This surprisingly good glue recipe comes from common kitchen items.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

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

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.