Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea determines which method of hand cleansing is the most effective.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

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.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This project determines what category of person is most likely to be ticklish.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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.