In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great 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.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Determine whether the application of Febreeze will lower the bacterial count.

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Can cells be frozen? This science fair project provides information to answer this question.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.