Gases Intro PhET

In the simulation, observe the behavior of gas particles in a container. What happens to the speed of gas particles when the temperature is increased?

• The particles move slower.

• The particles move faster.

• The particles stay the same speed.

• The particles stop moving.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In the simulation, adjust the temperature and observe the behavior of gas particles. What happens to the pressure of a gas when the volume is decreased while keeping the temperature constant?

• The pressure decreases.

• The pressure increases.

• The pressure stays the same.

• The gas condenses into a liquid.

In the simulation, adjust the number of gas particles in the container. What happens to the pressure of the gas when the number of particles is increased at a constant temperature and volume?

• The pressure decreases.

• The pressure increases.

• The pressure stays the same.

• The gas condenses into a liquid.

Experiment with different temperatures and observe the movement of gas particles. What effect does lowering the temperature have on the speed of gas particles?

• The particles move faster.

• The particles move slower.

• The particles stop moving.

• The particles move randomly.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Change the volume of the container and observe how it affects the gas particles. What happens to the gas particles when the volume of the container is increased at a constant temperature?

• The particles move faster.

• The particles spread out.

• The particles collide more frequently.

• The particles compress.

In the simulation, adjust the temperature and observe how the pressure of the gas changes. What happens to the pressure of the gas when the temperature is increased at constant volume?

• The pressure decreases.

• The pressure increases.

• The pressure stays the same.

• The gas condenses.

Observe the effect of temperature on gas particles in the simulation. At higher temperatures, how do the collisions between gas particles change?

• They become less frequent.

• They become more frequent.

• They have less energy.

• They become random and unpredictable.

Tags

NGSS.MS-PS1-4

In the simulation, observe how gas particles behave at low temperatures. What happens to the gas particles at very low temperatures?

• The particles move faster.

• The particles slow down.

• The particles become neutral.

• The particles stop moving completely.

Tags

NGSS.MS-PS1-4

Experiment with different amounts of gas particles in the simulation. What happens to the gas pressure when the number of particles is reduced at constant temperature and volume?

• The pressure decreases.

• The pressure increases.

• The pressure stays the same.

• The gas particles stop moving.

Change the temperature and volume of the gas, and observe the effects on pressure. If the temperature of a gas is doubled, what happens to the pressure if the volume is held constant?

• The pressure halves.

• The pressure doubles.

• The pressure stays the same.

• The pressure decreases by half.