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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

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.

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

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Start your toy engines -- this is going to be a fast and friction-filled race!

Find out which kind of bubble wrap fares best when put in impact.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This project examines whether people's taste perception is influenced by what they see.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!