This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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.

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

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Examine the effect of pressure on carbonation in soda.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea produces varying pitches of sound.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

Discover whether a metal will expand under hot water.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project idea experiments with spinning color wheels and optical illusions.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.