This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this science fair project, students investigate how different colors influence appetite.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

This science project investigates the influence of different genres of movies on appetite.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

This project explores what happens to a rubber band when it is heated and cooled.

This experiment investigates if stress alters body temperature.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

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.

Examine whether males or females are more likely to have a higher center of gravity.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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 fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.