Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome 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.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

This project examines which style of central-air system filter traps the most particles from the air.

This experiment examines if space objects become round after reaching a certain mass.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

This experiment will explore if and where fractals can be found in the natural world.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.