Unit 5 Warm Up Review (smith)

Which states that atoms and molecules are perpetually in motion?

• The Kinetic Molecular Theory

• Newton’s First Law

• Law of Conservation of Matter

• The Atomic Theory

Fill in the blank: Absolute Zero is 0 Kelvin and ___ Celsius.

• -273

• 0

• 100

• 373

A student records the temperature of water during an experiment and gets the following results: 40 degrees, 25 degrees, 15 degrees, and 0 degrees. These results indicate that the molecules of water are—

• Increasing in movement

• Slowing in movement

• Absorbing thermal energy from the air

• Condensing into water vapor

A cold metal spoon is placed into a cup of hot tea. What is the best explanation for what will happen?

• The cold molecules in the spoon will transfer to the warmer molecules in the cup.

• The heat energy in the tea will break the molecular bonds in the colder spoon.

• Radiant energy will transfer from the spoon to the tea.

• Energy will transfer out of the warmer tea into the colder spoon.

In any energy transfer and transformation, fill in the blank: Some of the energy goes into the environment as ________ energy.

• kinetic

• potential

• thermal

• chemical

Which of the following terms correctly labels the heat transfer method shown at label A in the diagram of a pot of water boiling on a stovetop?

• A) Conduction

• B) Convection

• C) Radiation

At which point does a roller coaster have the most kinetic energy and the least potential energy?

• Top of Hill

• Midway Down

• Bottom of Hill

• Uphill Again

Fill in the blank: Energy in a rubber band pulled tight is an example of ________ energy.

• Chemical energy

• Nuclear energy

• Elastic energy

• Gravitational energy

Fill in the blank: Sunlight is an example of ________ energy.

• Electrical

• Mechanical

• Radiant

• Thermal

Which of the following are examples of kinetic energy? Choose all that apply.

• Leaves blowing across the ground on a windy day.

• A river flowing steadily downstream.

• A person riding a bicycle down a hill.

• A chair bolted in place with no one using it.

• A backpack resting on the floor of a classroom.