Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

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

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

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

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

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

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.