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Showing Results for least common multiples

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Testing the Solubility of Common Liquid Solvents

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Potato Battery

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Forensic Entomology and the Life Cycle of the Blowfly

Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

Endangered Species: Red Wolf

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

End of the Universe?

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

Electromagnet Word Search

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Make a Better Paper Airplane 

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How Much Sugar?

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Are There Other Animals that Glow Under a Black Light Besides Scorpions?

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Inspect Animal Tracks

Cooking, weather, and sports, oh my! These interactive gem mining and cat typing games will help your child learn to type accurately and quickly with correct form and placement. By practicing words, their keyboarding skills will become better and better as they remember common letter pattern placements to string letters together.

Typing Words

In this experiment you will replicate the mummification process by making a hot dog mummy.

Hot Dog Mummy

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Foam It! Cause a Chemical Reaction

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Freshwater Fish Crossword Puzzle

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Going Across the Deciduous Forest

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Microscopic Life is Everywhere

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Six Degrees of Separation 

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Geology 101

Help your child get to know an elementary element with this worksheet about iron.

Periodic Table: Iron

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Mother's Day Carnations

With two simple yet fun experiments, this worksheet covers the interesting topic of cohesion and adhesion of water.

Cohesion and Adhesion of Water

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Freshwater Biomes and Saltwater Biomes

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Cats & Dogs

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Test for Acids or Bases Using...Flowers!

Looking for a worksheet to help with your kids science vocabulary? This printable is about science around the house.

Chemistry Cookies! Kitchen Vocabulary

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Echoes: How Sound Waves are Reflected and Absorbed

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Weathering, Erosion, or Deposition?

Children get an introduction to plate tectonics in this geology worksheet.

Plate Tectonics

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Identify Trace Fossils

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Conductors and Insulators

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