Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

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.

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 condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea produces sounds by creating vibrations using different objects.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

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

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

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

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

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

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