This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

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

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

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 barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

This science research project challenges students to think of more effective lobster farming methods.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

In this project, you will observe and record changes in sunspots over two weeks.

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

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

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

This science fair project idea tests the efficiency of short term memory.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!