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Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

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

This science fair project idea compares the cuteness reaction between genders.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This science fair project investigates why the number of visible stars changes from place to place.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

In this experiment you will use plastic and magnets to test your local soil composition.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Free science fair project idea examining how different types of water affect plant germination and growth.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.