Stuff takes up space. That is a non-scientific way to say that matter has **volume**. This simple concept is an important one for young scientists to grasp. Learning to measure the volume of objects is also important. Here is a project to help students learn how to measure and compare the volume of boxes and spheres. You will need several boxes, balls, a tape measure and a calculator. This experiment will use some math that younger students might need help with. It is, also, an excellent way to introduce mathematical formulas in a hands-on way they can understand.

## Volume Of Boxes

For the boxes, measure the length, the width and height of each. Calculate the volume by using the formula –

V = L x W x H

or

Volume = Length x Width x Height

Simply plug the measurements into the equations.

## Volume Of Spheres

Balls are spheres. To determine the volume, measure the circumference of each of the ball. Use that number to determine the radius of the sphere.

radius (r) = circumference/2π

When you have calculated the radius of your ball, plug that number into the following equation-

Volume of a sphere = (4/3)( π ) r^{3}

## Make A Game Of It

Collect a group of spheres and boxes. Place them in line ranking them from what you think is the lowest to highest volume. Do the math. Were you correct? Any surprises? This is a fun game for kids to try and trick their parents. The challenge is really all on the kids!

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