Trying to find sums of groups of multiples is a great way to practice your addition. Be sure to double check your work. If you clear all of the cards, you win!

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.

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.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

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

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

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

This game provides your child with the opportunity to create, write, and read numbers.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

This experiment investigates if stress alters body temperature.

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 science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

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?

Put numbers and letters together -- key kindergarten math and reading skills -- while creating a marvelous game piece for outdoor play!

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This science fair project idea determines the way in which color affects memorization.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.