This experiment examines if space objects become round after reaching a certain mass.

Here's a science activity to help your child investigate how seeds are designed to travel.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Science fair project that tests whether cats have a preference for organic food.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Plants and light seem to be good buddies, but how far does the friendship really go?

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

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

This science fair project will go beyond the simple definition of conservation to explore the different facets of what conservation means.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Start your toy engines -- this is going to be a fast and friction-filled race!

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Find out which kind of bubble wrap fares best when put in impact.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This science project teaches students to classify different shapes of leaves.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

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

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.