Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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?

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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!

Use familiar household items and decorations to turn estimation into a fun game!

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

The project idea is to understand why chocolate turns white and to determine the fastest way that this process can occur.

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!

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.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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.

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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?

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.