Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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!

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

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this fun science fair project, draw a 3D picture and compare the holographic effects of red and blue 3D glasses and HD glasses!

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

This science fair project idea sheds some "light" on which color of candles burn the longest.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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