Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

In this project children practice the scientific method while playing with puffy paint.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Cleaning can be a chore, but not with this sudsy experiment!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

In this project students experiment with making music using only glasses of water.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea experiments with spinning color wheels and optical illusions.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Construct batteries that make electricity from fruits with this fun science fair project.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.