Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

Get your child excited about measuring with this fun and easy household measurements activity.

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!

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Use familiar household items and decorations to turn estimation into a fun game!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

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

Practice measurement using centimeters in this fun math race designed for your second grade student!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

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.