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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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!

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

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.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

Learning to identify prime numbers can be tricky. But this fun card game can make memorizing some basic prime numbers a breeze.

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.

Defend your cards in this multiplication math game! Your kid will enjoy using strategy to build equations and win points in this activity.

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!

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!