Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This science fair project idea explores the different properties & interactions of sugar molecules.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project idea determines what household items are good conductors of electricity.

In this activity your child will create their very own marble maze!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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

This science fair project idea identifies trees using a dichotomous key.