Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science project researches the correlation between barometric pressure and wind velocity.

Science fair project that uses distillation to convert salt water into fresh water.

This science fair project idea produces varying pitches of sound.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

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

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This project explores whether music affects the growth and health of plants.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Make a backbone model to explore human anatomy and life science.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this science fair project, young children notice and track changes in trees throughout the year.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.