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

Learn whether writing things down really makes things easier to remember.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Explore the relationship between personality traits and birth order effects.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

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

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

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

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

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

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

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea examines whether people can decode scrambled messages.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!