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In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science fair project teaches students about wilting and browning of salad greens.

Give your budding young observers a chance to discover simple machines at use in their own home.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Help your child learn about animal classification with this fun and delicious activity.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Examine the effect of pressure on carbonation in soda.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Help your kindergarten science maven explore the water cycle without getting everything wet.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores the egg's thin membrane.