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Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

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

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

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

Explore the electrical energy present in energy drinks.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

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

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Evaluate if people are more influenced by video or audio advertising.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.