Showing Results for least common multiples : Page 9

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project that tests whether cats have a preference for organic food.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Discover the wonders of simple clay by pressing flowers into a modeling medium!

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Give your budding young observers a chance to discover simple machines at use in their own home.

Is your child a young ornithologist in the making?

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This science fair project idea explores the different properties & interactions of sugar molecules.