Finding the greatest number is great math practice! This strategic card game will help reinforce the concept of number value as well as addition facts.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

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!

Try this fun addition game with your second grader! Arrange playing cards to find the largest possible sums.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science fair project idea compares the cuteness reaction between genders.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Want to do something a little different for Dad this year? Have your child design his very own Father's Day "Greatest Hits CD" card.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This surprisingly good glue recipe comes from common kitchen items.

Does your child know all the greatest kid-friendly places in town? Here's an activity that lets them create a cool city guide and work their writing chops, too!

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Use common kitchen tools to create an entirely uncommon work of art!

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

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

Work on factors in this fun math card game and help your third grader gain math confidence through this fun division activity.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.