Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Examine the effect of pressure on carbonation in soda.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.