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Questions and Answers
Which of the following correctly explains why the balloon gets bigger when Raj blows into it?
Which of the following correctly explains why the balloon gets bigger when Raj blows into it?
- The air particles inside the balloon warm up and condense, causing the balloon to expand.
- The air particles inside the balloon move slower and collide with each other more frequently, causing the balloon to expand.
- The air particles inside the balloon move faster and collide with the rubber, exerting a force that pushes the rubber outwards. (correct)
- The air particles inside the balloon cool down and condense, causing the balloon to increase in size.
How does temperature affect gas pressure in the balloon?
How does temperature affect gas pressure in the balloon?
- Decreasing temperature increases gas pressure inside the balloon.
- Increasing temperature increases gas pressure inside the balloon. (correct)
- Decreasing temperature decreases gas pressure inside the balloon.
- Increasing temperature decreases gas pressure inside the balloon.
What happens to the air particles inside the balloon when it is left in a warm room?
What happens to the air particles inside the balloon when it is left in a warm room?
- The air particles warm up and move faster. (correct)
- The air particles evaporate and disappear.
- The air particles cool down and move slower.
- The air particles condense and become denser.
What happens to the air in the plastic bottle when Saniyah puts it in the freezer?
What happens to the air in the plastic bottle when Saniyah puts it in the freezer?
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Why does the balloon get even bigger when left in a warm room?
Why does the balloon get even bigger when left in a warm room?
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Study Notes
Gas Pressure and Temperature
- When Raj blows into the balloon, the air particles inside the balloon gain kinetic energy and start moving faster, causing the balloon to expand and get bigger.
Temperature Effect on Gas Pressure
- An increase in temperature increases the kinetic energy of air particles, causing them to move faster and spread out, resulting in increased gas pressure.
Air Particles in a Warm Room
- When the balloon is left in a warm room, the air particles inside the balloon gain kinetic energy, move faster, and spread out, causing the balloon to expand and get bigger.
Air in a Plastic Bottle in the Freezer
- When Saniyah puts the plastic bottle in the freezer, the air particles inside the bottle lose kinetic energy, slow down, and move closer together, resulting in decreased gas pressure.
Balloon Expansion in a Warm Room
- As the balloon is left in a warm room, the air particles inside the balloon continue to gain kinetic energy, move faster, and spread out, causing the balloon to expand and get even bigger.
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