Gas Pressure and Balloons

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Questions and Answers

Why does the balloon get bigger when Raj blows into it?

  • The air particles become closer together.
  • The air pressure inside the balloon decreases.
  • The air particles move faster and collide with the rubber. (correct)
  • The air particles inside the balloon warm up.

What happens to the balloon when it is left in a warm room?

  • The air particles move slower and collide less often.
  • The air pressure inside the balloon decreases.
  • The air particles inside the balloon cool down.
  • The balloon gets even bigger. (correct)

Why does Saniyah's plastic bottle in the freezer experience a change in air pressure?

  • The air particles move slower and collide less often.
  • The air particles become closer together.
  • The air particles inside the bottle cool down. (correct)
  • The balloon gets even bigger.

What is the relationship between the number of air particles and the size of the balloon?

<p>As the number of air particles increases, the size of the balloon increases. (C)</p> Signup and view all the answers

What is the force exerted by colliding air particles on the rubber called?

<p>Pressure (C)</p> Signup and view all the answers

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