Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

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.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project compares the strength of one, two, and three-ply toilet paper.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea explores substances that cause a bubble to last longer.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

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.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

Make a backbone model to explore human anatomy and life science.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.