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Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

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 teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

Science fair project that tests whether cats have a preference for organic food.

Discover which method for odor removal words the best for stifling refrigerator odors.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Science fair project that determines how we can change potential energy into kinetic energy.

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.