Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

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.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Examine whether males or females are more likely to have a higher center of gravity.

This science fair project researches the most effective method to cut an onion and stay tear-free.

Brighten up your home with this fun activity! Make a summer sun print and teach your child the art of easy print making.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Learn with makes water molecules work with this fun and easy science activity!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.