Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

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 fun experiment, we'll find out how color affects heat absorption!

This science fair project idea investigates the relationship between memory and age.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

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

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

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.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

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

Science fair project that demonstrates how stalagmites and stalactites are formed.

Determine whether the relationship between a personâs armspan and height are genetic.

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