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In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

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

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

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

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea examines the reason boats are shaped and engineered.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.