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

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Examine the effect of pressure on carbonation in soda.

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

Test out various brands of permanent markers to see which one is least water soluble.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

This project examines what types of objects burn and which burn faster and cleaner.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Discover which battery composition (type) lasts the longest.

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Create a self-portrait from natural materials in this collage craft activity!

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

This science fair project idea experiments with unusual ideas in fashion design and the development of eco-friendly fashion products.

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

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.