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Determine the relationship between the speed of a sound and the temperature of the air it passes through.

The Effect of Temperature on the Speed of Sound

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

Molecule Madness: A Water Experiment

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Bungee Jump ... With Eggs!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Nice Shades! How Light and Color Affect Sight

An home science experiment for older students that teaches about the science behind heat.

How to Make a Whirligig

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Beautiful Bubble Iridescence

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How Does Sound Travel?

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

Candy Science Experiments: Toffee!

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

Sunscreen Experiment

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Skin Science!

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

A Distant Sound

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.

Dried Fruit vs Fresh Fruit

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Can Crusher Experiment

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Have Fun With "Weird" Water

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

Solids, Liquids, Maple Syrup!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Build a Castle...and Explore First Grade Geometry!

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

Make Rose Soap Petals

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.

How to Make a PVC Pipe Instrument

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

How to Make a Cartesian Diver

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

How to Make a Water Wheel

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Mini Waterfall

Introduce your students to the scientific concept of sink or float. This hands-on experiment allows them to see which objects sink and which float. The concepts taught will be solidified with the completion of worksheets.

Sink or Float

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Cartoon Physics

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!

Play Science Password!

In this teacher-approved lesson, students will make and play with oobleck (corn starch and water), then write about their experiments. Young scientists will have a blast seeing their oobleck mixtures seemingly come to life.

Ooey Gooey Oobleck

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

Make a Marble Run!

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

Centripetal and Centrifugal Force

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

Build a Pinhole Camera

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