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Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This experiment will explore the possibility of creating an infinite object by hand.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Determine which metal has the highest rate of conductivity.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

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

In this fun experiment, we'll find out how color affects heat absorption!

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

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

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

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

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

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

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.