This experiment tests which gender is better at catching how a magician performs his tricks.

This project determines what category of person is most likely to be ticklish.

Examine the effect of pressure on carbonation in soda.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

In this experiment you will replicate the mummification process by making a hot dog mummy.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this design challenge, your child will make a bottle rocket using typical household items.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

This basketball project explores the best way to make the perfect shot every time.

Demonstrate how to tell the age of an egg without having to crack it open.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

How well can people recall what they have observed. Test your knowledge in this fun experiment.