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A DIY diffuser is a budget-friendly item that will add a pleasant fragrance to your home. Make a DIY diffuser with your child for great Valentine's Day gift.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

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

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Help your child create his own pinata in this fun and easy activity. Use paper mache and fingerpaint for a party pinata everyone will love.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Decorate your porch or backyard with this unique fall craft!

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Make a unique painting while learning about sea life.

Why not change things up a bit with this fun way of making those loop-hole bunny ears that sit at the top of his sneakers.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science fair project idea investigates how magnetism can defy the force of gravity.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Determine which metal has the highest rate of conductivity.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science fair project idea investigates if fats add to the flavor of food.

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

This activity will encourage your child to discover the scientific process, compare sizes shapes, and build shape recognition skills.

Children research and make a timeline of an inspiring woman in this biography activity.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Demonstrate which cooking method gets rid of the most fat.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?