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The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

This science fair project idea determines what household items are good conductors of electricity.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

This science fair project idea examines whether people can decode scrambled messages.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

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.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea determines what household items are good conductors of electricity.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

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.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

In this fun activity, your child will create their very own solar oven to bake s'mores!