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This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

This science experiment tests if dog saliva can really help heal wounds.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Making your own glass cleaner is easy, effective and inexpensive!

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.