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 investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Making Dad a comic book is a great gift for Father's Day, and one that helps them work on fine motor skills, storytelling and handwriting.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Being sick stinks! Help make being achy a little easier by helping your child craft a comforting hot water bottle doll out of fabric, googly eyes, and ribbon.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Want to play publisher for a day? Become a book jacket illustrator for this creative and fun project.

Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Find out whether matching resonant frequencies can cause objects to shatter.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science fair project investigates why the number of visible stars changes from place to place.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Here's a review of some common (and commonly confused) grammar terms, as well as a quick activity to apply them to reading and writing.

Free science fair project idea examining how different types of water affect plant germination and growth.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Use adorable animal photos from books or magazines to make these simple valentines that can be given to classmates or friends.

Kids get to play mad scientist in this wacky drawing game that's a great way to help kids to mellow out after the high-energy antics of recess.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Find out whether matte or shiny nail polish lasts longer.