This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this project children practice the scientific method while playing with puffy paint.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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.

Is your child a young ornithologist in the making?

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea provides evidence that air is everywhere and takes up space.

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!

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

Examine the effect of pressure on carbonation in soda.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

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

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.