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

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This experiment explores how listening in to a one-sided conversation affects concentration.

This project compares the strength of one, two, and three-ply toilet paper.

Test out various brands of permanent markers to see which one is least water soluble.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that determines whether moths are attracted to one color of light more than others.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

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

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.