Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

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

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.

Science fair project that illustrates the properties of black holes in space.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This project involves the development of a website using free software online to promote the value of science.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

This science fair project idea identifies clouds as a means of predicting the weather.

The objective of this science project is to determine the length of time for different seeds to germinate.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This science fair project idea explores whether color affects a person's emotional state.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.