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Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

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

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

This science fair project idea investigates food preference of birds.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This project examines the concentration of dissolved oxygen in water, with and without oil.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This science fair project idea discovers the effect of (high) heat on animal cells.