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This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This project investigates the affect of storage temperature on microwave popcorn.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Making your own glass cleaner is easy, effective and inexpensive!

This science experiment tests if dog saliva can really help heal wounds.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Examine the effect of pressure on carbonation in soda.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea explores the different properties & interactions of sugar molecules.