Pressure, volume and temperature of a gas

Grade 10 Science Worksheet - Challenge Me

NameDate

Circle the best answer, or write your answer on the line.

A car tire's air is at 300 kPa (absolute) and 15 °C. After a hot-day drive it is 45 °C, same volume. What is the new pressure, to 0.1 kPa, Esme?
A car tire's air is at 320 kPa (absolute) and 20 °C. After a hot-day drive it is 50 °C, same volume. What is the new pressure, to 0.1 kPa, Jun?
A car tire's air is at 280 kPa (absolute) and 10 °C. After a hot-day drive it is 40 °C, same volume. What is the new pressure, to 0.1 kPa, Kira?
4.
Milo says squeezing a sealed syringe to half its volume halves the pressure. Which reply fits, Milo?
- Agree, if the temperature stays the same
- Disagree: half the volume doubles the pressure
- Agree: pressure and volume fall together when squeezed
5.
Luz says a cold car tire reads low because cold air leaks out. Which reply fits, Noah?
- Disagree: colder air in a fixed volume has lower pressure
- Agree: cold opens gaps in the rubber
- Agree: pressure rises in the cold, so the extra air must leak out
6.
A sealed syringe is squeezed slowly so its temperature stays the same. Which law applies, Pia?
- Gay-Lussac's law, with volume fixed
- Boyle's law, with temperature and amount fixed
- Charles's law, with the pressure held fixed as it is squeezed
7.
A balloon in the sun expands while the outside air keeps its pressure. Which law applies, Ren?
- Boyle's law: volume rises as pressure rises
- Charles's law: volume rises with temperature
- Gay-Lussac's law: pressure rises in a rigid box
8.
A car tire's volume barely changes as it heats. Which law best fits its pressure rise, Tala?
- Gay-Lussac's law, with volume nearly fixed
- Boyle's law, with temperature fixed
- Charles's law, with pressure fixed
9.
Plotting pressure against volume at fixed temperature gives what shape, Ari?
- A straight line rising from the origin
- A curve that falls as volume grows
- A flat, level line
10.
What does P × V equal at each point on a Boyle's law curve, Bo?
- Zero at each point
- A value that rises as the pressure rises
- The same value at each point

Pressure, volume and temperature of a gas

Answer Key - Grade 10 Science Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

A car tire's air is at 300 kPa (absolute) and 15 °C. After a hot-day drive it is 45 °C, same volume. What is the new pressure, to 0.1 kPa, Esme?
331.2 kPa
A car tire's air is at 320 kPa (absolute) and 20 °C. After a hot-day drive it is 50 °C, same volume. What is the new pressure, to 0.1 kPa, Jun?
352.7 kPa
A car tire's air is at 280 kPa (absolute) and 10 °C. After a hot-day drive it is 40 °C, same volume. What is the new pressure, to 0.1 kPa, Kira?
309.7 kPa
4.
Milo says squeezing a sealed syringe to half its volume halves the pressure. Which reply fits, Milo?
- Agree, if the temperature stays the same
- Disagree: half the volume doubles the pressure
- Agree: pressure and volume fall together when squeezed
5.
Luz says a cold car tire reads low because cold air leaks out. Which reply fits, Noah?
- Disagree: colder air in a fixed volume has lower pressure
- Agree: cold opens gaps in the rubber
- Agree: pressure rises in the cold, so the extra air must leak out
6.
A sealed syringe is squeezed slowly so its temperature stays the same. Which law applies, Pia?
- Gay-Lussac's law, with volume fixed
- Boyle's law, with temperature and amount fixed
- Charles's law, with the pressure held fixed as it is squeezed
7.
A balloon in the sun expands while the outside air keeps its pressure. Which law applies, Ren?
- Boyle's law: volume rises as pressure rises
- Charles's law: volume rises with temperature
- Gay-Lussac's law: pressure rises in a rigid box
8.
A car tire's volume barely changes as it heats. Which law best fits its pressure rise, Tala?
- Gay-Lussac's law, with volume nearly fixed
- Boyle's law, with temperature fixed
- Charles's law, with pressure fixed
9.
Plotting pressure against volume at fixed temperature gives what shape, Ari?
- A straight line rising from the origin
- A curve that falls as volume grows
- A flat, level line
10.
What does P × V equal at each point on a Boyle's law curve, Bo?
- Zero at each point
- A value that rises as the pressure rises
- The same value at each point