Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Evaluate whether birth order influences personality.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

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.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This science fair project idea explores the fastest average speed a human can talk.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

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