This science fair project idea determines if the color of light affects the growth of plants.

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

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

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?

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!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Could there be toxic chemicals lurking in the cupboards and closets of your home?