Formative Assessment Unit 2.1

A thermodynamic system where matter does not cross the system boundary

• open system

• closed system

• isolated system

Water boiling in a pot without a lid is an example of __________ system.

• open

• closed

• isolated

Which is a quality that only gasses display

• Spread out to fill all available space
• Take the shape of their container
• Can't be compressed
• All of these

If you increase the pressure of a constant volume of gas, what will happen to the temperature?

• Increase
• Decrease
• Stay the same
• It will Blow Up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What will happen to the volume of a gas under constant temperature if the pressure increases?

• Increase
• Decrease
• Nothing
• Explosion!

If a balloon is cooled what will happen to the volume?

• Volume will increase
• Volume will decrease
• Volume will not change

Tags

NGSS.MS-PS1-4

Gas molecules can easily be compressed  because ___________. 

• gas molecules are soft
• gas molecules are far apart
• gas molecules follow the shape of the container

Pressure is caused by ______.

• gravity.
• gas molecules colliding with each other.
• gas molecules colliding with surfaces of the container.
• gas molecules reacting with each other.

Tags

NGSS.HS-PS3-2

Which container will have lower pressure?

• left
• right
• they both have the same pressure

Study the diagram  and carefully read the description below the diagram. Gases have no definite shape or volume. Instead, they take the shape of their container. The particles of a gas spread out within the available space. Which diagram illustrates gas particles? 

• Diagram A illustrates gas particles.
• Diagram B illustrates gas particles
• Diagram C illustrates gas particles.
• None of these illustrates gas particles.