Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Repurpose those plastic shopping bags hiding in your house into a fun and exciting decoration your child can hang in her room!

This experiment will evaluate if chewing gum affects students' test performance.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Stuck inside on a rainy day? Teach your child a classic kid's game: Five Stones. All you need are five stones and a flat surface.

Create a self-portrait from natural materials in this collage craft activity!

Combine fun sensory play with early number awareness in a squishy sun catcher project. It's a fun way for your kid to learn about numbers.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Show your child how to write a diamante poem, which makes use of a simple structure and results in a diamond-shaped poem.

Work on reading fluency with your child. This fun game will even engage her concentration skills without her knowing.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Want a sugar-sculpted house, just like Hansel and Gretel found? Make a miniature version in this sweet geometry activity.

Picking words out can be tricky. In this early reading activity, your child will place letter markers on a grid to make words appear out of the jumble.

What better way to show someone you love them than by telling them? This hair band craft features the American Sign Language sign for âI Love You.â

Kids love physical comedy, and this activity has the potential of offering up a healthy dose (while also working on balance and dexterity.)

For a fun way to encourage your child to read, try this comprehension technique made to satisfy visual learners.

Does your child need help reading common words? Make this family board game. It's so fun, they won't even realize they're learning!

Make caterpillars out of papier-mache and let the kids explore their inner creepy crawler.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.