How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Most timeline activities are all about history. Make timelines more relevant and personal for your child by focusing on the hours and minutes of his day.

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

Expand on your childâs time-telling skills by helping him learn how an analog clock and a digital clock correspond.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

Calling all power-shoppers! This game is a fun way for kids to learn life skills, and flex their math muscles at the same time.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Practice conversions within the metric system in this fun math card game for third graders.

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.