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

Toss playing cards into boxes while you practice addition and multiplication with decimals in this fun, fifth grade math game.

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

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

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

This activity with add some fun and education to long car trips. Perfect for family vacations!

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 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.

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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?

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!

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

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!

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

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

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.

Here's an interactive, fast-paced game that will make your fifth grader feel more comfortable with simple equations.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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!