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

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The objective of this science project is to determine the length of time for different seeds to germinate.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

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

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea explores whether talking to a plant will help it grow.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This science fair project idea explores how length affects the weight a bridge can hold.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.