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.

This science fair project idea explores the different properties of matter.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

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

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Make frog feet sponge prints with your child for a fun and educational crafts activity.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

In this experiment, your middle schooler will chart the effects of oil on a feather in order to grasp the tragic effects of oil spills on wildlife.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.