In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

I scream, you scream, we all scream for homemade spearmint ice cream!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea investigates the difference in reaction times between boys and girls.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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 popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Construct and experiment with a periscope using reflected light rays to gather an image.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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