This science fair project idea experiments with spinning color wheels and optical illusions.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This simple experiment serves as an introduction to the greenhouse 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.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this fun experiment, we'll find out how color affects heat absorption!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Find out which kind of bubble wrap fares best when put in impact.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.