Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

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

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

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.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea explores whether dogs do look like their owners.

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

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.