Learn about this simple machine and make a pulley of your own to use for fun science trials.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Do you think heat can affect a plant's growth rate?

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This science fair project teaches students about wilting and browning of salad greens.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Plants and light seem to be good buddies, but how far does the friendship really go?

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this science fair project you will make a model of a cell membrane using very simple material.

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?

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.