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Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Using a toy race car kids create a visual model of the Doppler Effect.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

This project involves the development of a website using free software online to promote the value of science.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this activity, your child will be challenged to make a tower using paper cups.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

In this design challenge, your child will make a bottle rocket using typical household items.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.