C. Physics Quiz

What is heat?

• A) A type of matter

• B) A form of energy

• C) A chemical reaction

• D) A state of matter

In which states of matter is kinetic energy present?

• A) Solid only

• B) Liquid only

• C) Gas only

• D) Solid, liquid, and gas

What happens to the atoms and molecules of a matter when its temperature increases?

• A) They move slower

• B) They move faster

• C) They stop moving

• D) They change state

What is the formula for kinetic energy?

• A) E_k = m v

• B) E_k = 1/2 m v

• C) E_k = 1/2 m v^2

• D) E_k = m v^2

Which types of motion are possible for gases?

• Translation, vibration, rotation

• Vibration, rotation

• Vibration

• Translation, rotation

How many collisions per second occur between gas molecules?

• 6 Million

• 6 Billion

• 6 Trillion

• 6 Thousand

Which types of motion are possible for liquids?

• Translation, vibration, rotation

• Vibration, rotation

• Vibration

• Translation, rotation

Which type of motion is possible for solids?

• Translation

• Vibration

• Rotation

• Translation, rotation

From which temperature to which temperature does the transfer of energy occur?

• From lower temperature (slower moving) atoms and molecules to higher temperature (faster moving) atoms and molecules

• From higher temperature (faster moving) atoms and molecules to lower temperature (slower moving) atoms and molecules

• From equal temperature atoms and molecules to equal temperature atoms and molecules

• From lower temperature (faster moving) atoms and molecules to higher temperature (slower moving) atoms and molecules

What does the 1st law of Thermodynamics state?

• Energy can not be created or destroyed

• Energy can be created and destroyed

• Energy can only be created

• Energy can only be destroyed