In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Make “teal the new orange” this Halloween season! Help your child learn about the Teal Pumpkin Project and paint the color teal on a pumpkin to advertise that your family will offer non-food toys as a treat, or “trinket” option.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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 idea determines if the size of the parachute will change the rate at which an object falls.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

In this fun fall-themed activity, your child will design and decorate a pumpkin based on a picture book. After completing their pumpkin, they’ll write a short story about a new adventure related to their picture book.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Being sick stinks! Help make being achy a little easier by helping your child craft a comforting hot water bottle doll out of fabric, googly eyes, and ribbon.

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

This Haggadah scroll activity is great for getting kids to practice handwriting, but it will also get them thinking about the meaning behind Passover.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Wax paper hearts are a unique and glittery gift for a special friend on Valentine's Day. Make wax paper hearts with your child this February.

What better way to remember the achievements of past U.S. Presidents than with a game of memory!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Kids get to play mad scientist in this wacky drawing game that's a great way to help kids to mellow out after the high-energy antics of recess.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Make Hanukkah gift bags with your child this holiday season. These Hanukkah gift bags are great for passing out gelt to teachers and friends.

This science fair project idea investigates if fats add to the flavor of food.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Confetti wands add some colorful cheer to your New Year's Eve celebration. Wave these confetti wands at midnight and watch the colors fly.

Build your child's social studies skills by making a map together.

This science fair project idea investigates the difference in reaction times between boys and girls.

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!