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.

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.

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!

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.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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.

Discover whether a metal will expand under hot water.

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

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.

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.

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

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.

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?

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

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

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.