Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

In this science fair project, students create their own miniature salt flats at home.

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

Check out this interactive number line. It's a great way to strengthen your preschoolers understanding of basic numbers and the numerals that represent them.

These colorful paper butterflies make cute hanging decorations for your child's room, but they can also be used for active play.

Measuring and mixing is half the fun with these Irish oatmeal cookies, and it's a great way to introduce your second grader to cooking and kitchen tools.

Practice counting to 100 independently with this American flag craft project! 

Kids grow grass in homemade eggshell planters in this unique middle school arts and crafts activity. Makes a great gift for Easter.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

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

Encourage your child to learn about the Japanese culture as you make a traditional Japanese fan out of paper.

You and your child will have a blast baking this wonderful spin on a childhood classic, PB n' J cookies. Easy to make, and even easier to enjoy!

Boost fine motor skills and get in the spirit of fall with this fun wreath-making project.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

Start Father's Day off on the right foot by baking Dad a batch of scrumptious muffins packed with fruit, fiber, and heart-healthy oat bran.

Construct a card castle fit for a king! Treat your royal "face" cards (the kings, queens, and jacks) to the cool castle they deserve.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Help your middle schooler create a keepsake for her friend: a safari-themed, personalized necklace that can't be found in stores!

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.

Next time your fifth grader's in the mood for a tasty treat, try whipping up some homemade drop scones!

Your second grader can piece together an adorable--and edible!--wreath for Mom in minutes.

This activity is a craft project and a math workshop all in one! Use found objects to encourage your child to imitate, extend, and create patterns.

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

This fun photography activity will build your child's vocabulary, their understanding of the world, and they'll make their own game of concentration!

This science fair project idea investigates food preference of birds.

The project researches how lubricants affect the mechanical advantage of a pulley.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.