Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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

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 cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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!

Make a backbone model to explore human anatomy and life science.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea explores whether white light can be separated into different colors.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.

This science fair project idea demonstrates that plants give off water.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.