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Showing Results for and least common multiples

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

Play Common Denominator War

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

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

Play Two-Minute Multiples

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Sense of Smell Activity

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

The Limewater Carbon Dioxide Test

This surprisingly good glue recipe comes from common kitchen items.

Make Homemade Glue!

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

Potato Battery

Here's a hands-on way to help your child understand how common fractions can be equivalent.

Fold for Fractions!

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Sound and Vibration

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 

Young scientists develop a hypothesis, conduct an experiment, and then revise their hypothesis to find out which common household liquids dissolve candy corn.

Candy Corn Science

Here's a review of some common (and commonly confused) grammar terms, as well as a quick activity to apply them to reading and writing.

Grammar Guide

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?

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Understanding Clean Water: Make a Filtration System

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

Make Baking Soda Toothpaste

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Discover Christmas Smells and Memories

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

Create a Family Graph!

What do a pool, a raft and a golf club have in common? They are all integral ingredients in the fun game of Aqua Golf, a great activity for kids of all ages.

Water Golf

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

One thing the Christmas season is known for making is yummy treats! Cookies, pies, fudges, and cakes are common desserts during Christmas time. If you want to choose a healthier option this holiday season, create a Christmas tree with fruit. It will be a

Create a Christmas Tree With Fruit

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

Help your fourth grader design a first class postage stamp for a hero who stood up for the dignity of people from all walks of life.

Martin Luther King Stamp

Your child can personalize these customizable cookies for friends and family as he makes his own fortune cookies from this fortune cookie recipe.

Fortune Cookie Recipe

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 

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

Bridge Over Troubled Water

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

Geology 101

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