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

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

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Trying to find sums of groups of multiples is a great way to practice your addition. Be sure to double check your work. If you clear all of the cards, you win!

Get your child excited about measuring with this fun and easy household measurements activity.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Have your kid practice completing number patterns and then create her own patterns on the wings of a butterfly with this delightfully simple paper project.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Ordinary drinking straws are fun for drinking juice and even for spitballs when you're not looking, but also fabulous for learning first grade math.

Practice addition with your child in a whole new way when you battle to defend your cards in this competitive game. Math has never been so fun!

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

Looking for a cool game to help your first grader learn her 11s? Look no further than this clever one-person card game.

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

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

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Is your child struggling to remember the rules of place value? Here's a fun series of hands-on activities to help your child put the value in place value!

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This fun shape game is like Twister...with a twist!

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Try this fun and interactive collage activity with your preschooler to teach her the "building blocks" of math and architecture.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Master reading numbers aloud with your first grader in this math card game.