This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

This science fair project idea attempts to prevent another tragedy in Gonaives and encourages technological advances against flooding.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

This science fair project idea discovers new ways to use recycled materials and encourages new architectural design ideas.

This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

This science fair project idea looks into the concept of powered parachutes as the future of transportation.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

This science fair project idea determines how quickly germs and bacteria spread.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

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

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

This science experiment tests if dog saliva can really help heal wounds.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.