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

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

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.

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

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.

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.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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

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!

Here's an enjoyable at-home activity that gives your child step-by-step practice identifying the important parts of an article and organizing his ideas.

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

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

Analyze this simple betting game with your fourth grade student in order to discuss probability.

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

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

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

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

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

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

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

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.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

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

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!

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.

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.

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

This decimal game is a great way to help your child get familiar with how decimal values work.