How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science project teaches students to classify different shapes of leaves.

The goal of this project is to create an exciting topographical map out of dough.

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.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea determines which method of hand cleansing is the most effective.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.