Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

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!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

Find out whether matte or shiny nail polish lasts longer.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Is your child a young ornithologist in the making?

In this experiment we will be determining whether birds prefer certain colors of seed.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.