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Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

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!

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

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.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.

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!

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.

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!

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

Simplify fractions with your child in this fast-paced math card game.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

Work on division with remainders in this fun fourth grade math board game.

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

Draw your own beautiful mandala with this easy technique that ensures symmetrical results every time!

Exponents can be tricky to learn. Fortunately this game provides plenty of multiplication practice for your math student!