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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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 fair project idea investigates how the shape of an object affects drag.

This science fair project idea determines the probability of a coin landing heads or tails.

This project examines what types of objects burn and which burn faster and cleaner.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Start your toy engines -- this is going to be a fast and friction-filled race!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

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.

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

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.