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.

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

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

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

Science fair project that determines whether mass and weight are the same or different.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Work on homophones, words that sound the same, and spelling with this imaginative activity!

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

Challenge your child to a word count war, and practice good note-taking skills at the same time!

Sick of the same old arts and crafts projects? Try a new kind of art--string art!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Practice multiplication facts and geography at the same time in this fun third grade math 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 science fair project idea explores whether cats can be trained in the same way that dogs can.

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

Don't despair if numerators and denominators seem like a bore to your child. This colorful collage is sure to show him the brighter side of fractions.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Is your child tired of the same old fries with dinner? Invite him to bake up some tasty zucchini fries to accompany the next family meal.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Representing the story in a visual way makes it easier for your child to compare the traits of various characters.