With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Evaluate if people are more influenced by video or audio advertising.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

This project examines whether more expensive golf balls translate into better results on the golf course.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

This project explores what happens to a rubber band when it is heated and cooled.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Examine the connection between temperature and chemiluminescence.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.