In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This science fair project idea examines which type of insulation holds in the most heat.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

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

Discover whether a metal will expand under hot water.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this science fair project, students create their own miniature salt flats at home.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project idea produces varying pitches of sound.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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.