The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

In this project children practice the scientific method while playing with puffy paint.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Find out if most people can distinguish the difference between tones on different instruments.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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

This experiment investigates if stress alters body temperature.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

This project explores what happens to a rubber band when it is heated and cooled.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.