Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

Using a toy race car kids create a visual model of the Doppler Effect.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Explore the negative and positive consequences of stereotypes.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Check out this cool science fair project on identifying rocks and minerals for kids.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Help your child learn about animal classification with this fun and delicious activity.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.