Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This science fair project researches the most effective method to cut an onion and stay tear-free.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

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

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

This science fair project idea investigates whether air has mass and weight.

This science fair project idea determines which colors are more difficult to read at a distance.

This science fair project idea studies the differences in gender perception between people.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project determines which type of physical activity most improves memory.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.