Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Test your friends to find out if you can replicate the placebo effect's incredible results.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Do you think heat can affect a plant's growth rate?

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this experiment we will be determining whether birds prefer certain colors of seed.

Test whether plants can grow without sunlight and water.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Is your child a young ornithologist in the making?

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this fun activity, your child will create their very own solar oven to bake s'mores!