Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science fair project idea tests the efficiency of short term memory.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

This project investigates the affect of storage temperature on microwave popcorn.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.