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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Your child can use colorful construction paper to make an easy paper basket to hold some of his special things!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This project determines what category of person is most likely to be ticklish.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Invite children to create a Fourth of July centerpiece with this simple craft activity!

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Turn the marks on the wall into art! Create fingerpaint flamingos, herons and ostriches with this fun craft for kids.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

This year on Mother's Day, here's a gift that builds vocabulary while bringing a smile to Mom's face!

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Making a calendar is a great way for third graders to identify those words that are always capitalized. Here's how to get started.

Design a colorful leprechaun trap—and make some memories—with this fun St. Patrick's Day craft project!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

El dia de los muertos (the day of the dead) is a Mexican holiday celebrated on November 1st and 2nd every year. Other Latin American countries celebrate a variation of the holiday, but it originates in Mexico and is unique to this country. These two days

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.

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