What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

How powerful is the reaction between baking soda and vinegar? Find out here!

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

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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.

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.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

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?

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

Do you think heat can affect a plant's growth rate?

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

In this matching activity, your kid will match the clock faces representing analog time with the numeric readings representing digital time.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

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

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

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.

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.