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The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

This project examines whether more expensive golf balls translate into better results on the golf course.

The project researches how lubricants affect the mechanical advantage of a pulley.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

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

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

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

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This project is about after-images and what possibly affects them.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This experiment will investigate whether reward or punishment is more apt to motivate people.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.