Everfi: Prepare the Surface

As ice melts into water, the kinetic energy of its molecules:

• Increases

• Decreases

• Stays the same

• Not enough information

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As temperature increases, molecules will:

• Move faster and gain kinetic energy

• Move faster and lose kinetic energy

• Move slower and gain kinetic energy

• Move slower and lose kinetic energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As the temperature of water gets colder, the speed of its molecules:

• Increases

• Decreases

• Stays the same

• Not enough information

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As molecules speed up, what happens to their kinetic energy? Describe how changes in temperature affect molecular motion and kinetic energy.

• It increases

• It decreases

• It stays the same

• Not enough information

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which phase of matter has molecules with the highest kinetic energy? Describe and compare the phases of matter (solid, liquid, and gas) based on temperature and molecular motion.

• Solid

• Liquid

• Gas

• All answers are correct

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

H2O and O2 are examples of: Explain that matter is made up of particles that are too small to see (i.e. molecules).

• Atoms

• Molecules

• Water

• Droplets

Tags

NGSS.MS-PS1-1

As an ice block is heated, it will go from:

• Solid phase → gas phase → liquid phase

• Solid phase → liquid phase → gas phase

• Liquid phase → solid phase → gas phase

• Liquid phase → gas phase → solid phase

Tags

NGSS.MS-PS1-4

Which phase of matter is displayed in this image?

• Solid phase

• Liquid phase

• Gas phase

• Not enough information

Tags

NGSS.MS-PS1-4

Which of these choices is the smallest unit of matter?

• Atoms

• Molecules

• Droplets

• Vapor

Tags

NGSS.MS-PS1-1

In the gas phase, a sample of molecules will have:

• Fixed positions and close together

• Fixed positions and far apart

• Random positions and close together

• Random positions and far apart

Tags

NGSS.MS-PS1-1