This project commemorates the milestone of completing the first 100 days of school, while giving your child a manipulative to practice counting to 100.

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

Grab some dice and play this take on tic-tac-toe. Itâs easy to set up and your child will have a blast.

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

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

Add simple fractions in this fun math card game for second graders. This game is very similar to Blackjack, or 21, but it's entirely kid friendly!

Here's Twist 'N Turn: let your preschooler or pre-kindergartener be outside and active while learning about shapes, colors, directions, and word recognition.

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

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Making food sculptures boosts creativity, and just might help your picky eater branch out!

Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

If your young child is a kinesthetic learner, this equation board is perfect for teaching him addition and subtraction facts.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

Determine whether the relationship between a personâs armspan and height are genetic.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

This project explores whether music affects the growth and health of plants.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

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.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Science fair project that cultivates slime mold and monitors the stages of its development.

Put your junk mail to good use! Armed with a stack ads and a few simple art supplies, your preschooler can make a cool poster for his room.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Help your first grader, second grader, or third grader boost his addition skills and math vocabulary with this fun summer game Ice Cream Addition!