Practice of math facts is usually limited to drill sheets and flashcards. But kids are more likely to tune in to math facts if practice is presented as a game!

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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 will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.