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Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

This science fair project idea investigates whether plants can survive being frozen.

Science fair project that determines whether mass and weight are the same or different.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

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

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

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.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea investigates food preference of birds.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

This science fair project teaches students about wilting and browning of salad greens.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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.