End of the Year Review (Part 1)

a homogenous mixture followed by a pure substance

• muddy water; carbon dioxide

• air; carbon dioxide

• ammonia; water

• carbon dioxide; wate

If the temperature decreases, what effect can that have on the density of a substance?

• density does not change.

• density decreases

• density increases

• effect depends on the amount of material

Tags

NGSS.MS-PS1-4

Does boiling point depend on the mass present?

• No; chemical properties stay the same regardless of mass.

• No; physical properties stay the same regardless of mass.

• Yes; physical properties can change when mass increases or decreases.

• No; qualitative properties like boiling point stay the same regardless of mass

When the pressure of a gas at a constant temperature is increased, what happens to the volume?

• It decreases

• It increases.

• It warms

• It stays the same

When hot and cold objects touch, their molecules collide wherever they meet. What kind of heat movement is this?

• thermometer

• condensation

• conduction

• radiation

How can a diver gain more potential energy?

• by getting out of the pool

• by climbing the ladder of the diving board

• by swimming to the other side of the pool

• by diving off the diving board again

Tags

NGSS.MS-PS3-2

Which of the following terms describes what happens when a force is applied to an object to change its position?

• energy

• power

• motion

• work

Tags

NGSS.MS-PS3-5

What does the Law of Conservation of Energy mean?

• Energy cannot be transferred or used up.

• Energy cannot be destroyed or created.

• Energy can be lost or made.

• Energy can be transformed and destroyed.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-4

Which of the statements below correctly describe how energy is transferred or transformed in daily life?

• Nuclear energy is transferred to electrical energy to provide electricity for our homes

• Kinetic energy transforms into thermal energy when a heating pad is turned on

• Chemical energy in food is transformed into mechanical energy as our body rides a bicycle down the street

• Electrical energy is transferred into light energy so that a flashlight generates light when it’s turned on.

Tags

NGSS.MS-PS3-5

What type of wave can move through a vacuum?

• tsunami

• transverse

• longitudinal

• electromagnetic

Tags

NGSS.HS-PS4-3