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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

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

Fold for Fractions!

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

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

How Solar Energy Heats Liquids of Different Colors

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Hold a Math Marathon!

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

Does Liquid Weigh More after Freezing and Boiling?

This project investigates the affect of storage temperature on microwave popcorn.

Where Should You Store Your Popcorn?

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

Area and Volume

Did you know cooking supports your child in learning complex math skills? Reinforce your child's measurement and problem solving skills by whipping up some healthy sweet potatoes for a dinner side dish!

Stuffed Sweet Potatoes

Use this great no-bake recipe to save energy and keep cool.

Blueberry Cheesecake

This science fair project idea investigates whether plants can survive being frozen.

The Effects of Freezing on Plant Life

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Make an Electrical Zapper

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Snow to Liquid Ratio

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Angle of Heat

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Get Cracking

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

The Mean, Median, and Mode Card Game

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Homemade Butter

This science fair project idea examines whether adding gelatin causes a solid  to have a higher melting point and/or melt slower.

Does Gelatin Slow Down the Melting of Freezer Pops? 

Explore the math concept of probability with your fifth grader on "lucky" St. Patrick's day this year!

Lucky Leprechauns!

Help your fourth grade scientist practice measurement, and make a scrumptious, healthy summer cheesecake in the process!

Healthy Cheesecake

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Ocean Currents

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Is Horse Manure a Possible Energy Source in a Crisis?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

What is Plant Transpiration?

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Growing Bacteria

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Determining Mold and Mechanical Deterioration Risk for an Artifact Storage Box

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