Question

What with help of an activity, show that matter has mass.​

Answer 1

What You'll Need

2 balloons of equal size

3 pieces of string at least 6 inches long

A wooden ruler

A small needle

Step-by-Step Directions

Inflate the two balloons until they are equal in size and tie them off. Attach a piece of string to each balloon.

Then, attach the other end of each of the strings to the opposite ends of the ruler. Keep the balloons the same distance from the end of the ruler. The balloons will now be able to dangle below the ruler. Tie the third string to the middle of the ruler and hang it from the edge of a table or support rod. Adjust the middle string until you find the balance point where the ruler is parallel to the floor. Once the apparatus is completed, the experiment can begin

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