Showing Results for compare with same denominators 1 : Page 3

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This science fair project idea investigates if fats add to the flavor of food.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

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.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.