Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Your child will learn more about coins and their denominations as he's asked to identify similar coins.

In this activity, your child will create a red envelope that can be filled with money to spread good will and ward off evil spirits in the New Year.

Help your child make an imaginative, inexpensive spaceship from recycled materials. When the spaceship is ready, count backwards from ten and then BLAST-OFF!

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Counting with one-to-one correspondence is an important kindergarten math skill. This simple activity turns it into a play-anywhere game.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This science fair project idea identifies clouds as a means of predicting the weather.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

These bean bag games are a fun and inexpensive way to keep your child learning! Work on social skills, coordination, math, or even spelling!

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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

Make a Christmas countdown calendar to get your child excited about the coming holiday. This Christmas countdown calendar helps you make holiday memories.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

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.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.