Air has weight
From XinaBox Wiki!
Overview: Air has weight
- Two balloons
- A hanger
- String or thread
- You will need a yardstick, two balloons, a hanger, tape, and string or thread.
- Suspend the yardstick from a hanger by attaching a string to the middle of it. Make sure to find the exact middle of the yardstick.
- Tape or tie each balloon to the ends of the yardstick. Make sure your yardstick is balanced.
- Remove one of the balloons and blow it up. Tie a knot to keep it closed. Replace it to the exact same spot on the yardstick.
Question to ask:
What do you hypothesize will happen ?
Is the yardstick still balanced? Why?