Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

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!

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.

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

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

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This project tests the hypothesis that dark colors absorb more heat than light colors.

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!

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

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?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.