Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This project involves the development of a website using free software online to promote the value of science.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

In this science fair project you will make a model of a cell membrane using very simple material.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Test whether plants can grow without sunlight and water.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

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

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This project examines how temperature affects the volume of gas in balloons.