Particle Theory (7 Grade)

Number 2 represents a ________

• solid
• liquid
• gas
• plasma

Particles in a _____________ are tightly packed together.

• solid
• liquid
• gas
• plasma

Tags

NGSS.2-PS1-1

Particles in a _________ take the shape of the container.

• solid
• liquid
• gas
• plasma

As particles are exposed to warmer temperatures they __________

• speed up
• slow down
• stay the same
• vibrate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As particles are exposed to colder temperatures they _____

• speed up
• slow down
• stay the same
• become ions

Tags

NGSS.MS-PS1-4

What is the change of state from a solid straight to a gas called?

• melting
• evaporating
• freezing
• sublimation

What am I? I have a fixed mass, a fixed volume, I cannot be squashed and I have a shape that changes to fit the bottom of my container?

• solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-4

What am I? I have a fixed mass, a fixed volume, I cannot be squashed and I have a shape that changes to fit the bottom of my container?

• solid
• liquid
• gas
• plasma

Which point of the particle theory is depicted in this picture?

• particles are in constant motion
• different substances are made of different particles
• all matter is made of particles
• particles move faster when heat is added

An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?

• The particles move more slowly and become closer together.
• The particles move more slowly and become further apart.
• The particles move faster and become closer together.
• The particles move faster and become further apart. 

Tags

NGSS.MS-PS1-4