Showing Results for least common multiples : Page 11

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.

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.

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.

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

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

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

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

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

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

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

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

Examine the connection between temperature and chemiluminescence.

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

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

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

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

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

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

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

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

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

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.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Science fair project that cultivates slime mold and monitors the stages of its development.

This science fair project challenges students to research vortices occurring in nature and then create their own vortex.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This science fair project idea determines which method of hand cleansing is the most effective.