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

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

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea explores whether dogs do look like their owners.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This science fair project idea investigates whether plants can survive being frozen.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

This experiment will explore whether adding different substances to a gel affects its strength.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Think about the adaptive utility of an important aspect of our physiology.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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