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Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Cleaning can be a chore, but not with this sudsy experiment!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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

Examine the effect of pressure on carbonation in soda.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Discover whether a metal will expand under hot water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The purpose of this science fair project is to build a basic radio.

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

The goal of this project is to create an exciting topographical map out of dough.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea explores whether white light can be separated into different colors.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.