Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

This project compares the strength of one, two, and three-ply toilet paper.

Young artists will combine two animals into one in this imaginative art-project-slash-game!

Coil your daughter's two favorite colors into a wearable pendant with just a few scraps of felt!

In this activity, your child will experience multitasking, then mindfulness and compare the two in terms of productivity and calmness.

Introduce your fifth grader to the Kinara, part of the Kwanzaa tradition, by playing this fast-paced, two player game!

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

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Help your third grader create a Venn diagram fantasy creature by combining two different creatures to create a fantasy creature based on their similarities.

Your child can make a sweet and savory spinach strawberry salad; two ingredients that come together for a light and fresh summer dish!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Compare fractions in this two-player math game. The objective of the games is to work together to determine who has created the largest fraction.

These easy-to-make felt friends are created by sewing two pieces of felt together with yarn and make great gifts for holidays such as Easter.

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!

Most often, a collage is 2-dimensional, but instead of using paper as a base, this project uses an inexpensive pumpkin from the craft store.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this activity, your child will write stories about two different people. The stories will include similarities and differences in the ways each person lives in their communities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Create a tornado vortex in your kitchen in this 5th grade science experiment. All you need are two plastic bottles, duct tape, and a metal washer to begin.

In this activity, your child will use two powerful questions to investigate a thought and the truth behind it. They will write and perform a skit using mindfulness and these important questions.

A pangram is a sentence that uses all the letters in the English alphabet. In this group game kids might just learn a thing or two about word choice in writing!

El dia de los muertos (the day of the dead) is a Mexican holiday celebrated on November 1st and 2nd every year. Other Latin American countries celebrate a variation of the holiday, but it originates in Mexico and is unique to this country. These two days

Making your own glass cleaner is easy, effective and inexpensive!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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