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In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores the egg's thin membrane.

Find out which kind of bubble wrap fares best when put in impact.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Find out whether a longer airplane will fly farther or a wider paper airplane.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project you will make a model of a cell membrane using very simple material.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Do you think heat can affect a plant's growth rate?

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

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!