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Showing Results for least common multiples

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Make Your Own Marshmallows

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Play Pantry Math

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

Bake Colonial Pumpkin Pie

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

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

Does Hot Water Boil Faster Than Cold?

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?

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!

How Old is That Tree?

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

What Causes Dew?

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

Sugar Crystallization

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Homemade Barometer

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

How to Demagnetize a Magnet

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Tracking Temperatures

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

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? 

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Factors Affecting Solubility

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

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

Healthy Cheesecake

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

Heating Plants: The Great Growth Race

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

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