Showing Results for how when and where 2

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

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.

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.

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

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

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.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

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

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?

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Here's a hands-on way to help your child understand how common fractions can be equivalent.

Competitors go head-to-head only this time it's a race to figure out the lowest common multiple of two numbers; an important step to working with fractions!

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

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

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

This decimal game is a great way to help your child get familiar with how decimal values work.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?