This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Learn whether writing things down really makes things easier to remember.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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.

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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Take a dive into the candy jar with this yummy science experiment.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this science fair project, students make their own rain gauge to measure rainfall.

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.