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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.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

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

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

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

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!

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.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.