PS Unit 6

Which of the following statements is most accurate?

• When liquid water is heated, the molecules move faster.

• When liquid water is heated, the molecules collide more often.

• When liquid water is heated, the molecules move slower.

• When liquid water is heated, collisions between molecules are more violent

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

You begin pouring sodium chloride into a glass of water. For a long time, the sodium chloride just dissolves in the

water, but suddenly it begins to pile up at the bottom of the glass. Which statement is true?

• The sodium chloride has increased the temperature of the water

• The sodium chloride has decreased the temperature of the water

• The water is unsaturated

• The water is saturated

Which of these charts is most likely to represent a saturated solution

• A

• B

• C

• D

Tags

NGSS.MS-PS3-4

Choose all of the characteristics of a solid.

• Particles are vibrating and far apart

• Particles are vibrating and close together

• Definite shape

• Takes the shape of the container

• Particles flow over one another

Choose all of the characteristics of a liquid.

• Indefinite shape

• Particles bounce around the container

• Definite volume

• Particles flow over each other

• Definite shape

Choose all of the characteristics of a gas?

• Indefinite shape

• Takes the shape of the container

• Can be compressed

• Particles are bouncing around the container bumping into each

  other

• Particles are moving slowly

How do particles of cold air differ from particles of hot air?

• The particles of cold air are closer together than the particles of hot air.

• The particles of cold air have less kinetic energy than the particles

  of hot air.

• The particles of cold air are smaller than the particles of hot air.

• The particles of cold air move slower than the particles of hot air.

• The Particles of cold air move at the same speed as the particles of hot air.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

Tags

NGSS.HS-PS2-2

In order for an object to have momentum it must be ________

• moving

• motionless

• alive

• asleep

Tags

NGSS.HS-PS2-2

An object with a mass of 2000 kg at rest has what momentum?

• 2000 kg m/sec

• 0 kg m/sec

• 2000 kg

• 2000 m/sec

Tags

NGSS.HS-PS2-2