unit 8 -- specific heat

Multiple Choice

Because heat is energy, the SI units for heat are ---

• Watts

• Celsius

• joules

• Newtons

Multiple Select

Select all of the following examples of friction.

• air resistance

• viscosity

• static

• nuclear

• chemical

Multiple Choice

Thermal energy that transfers from one object to another.

• Thermal transfer

• Friction

• Temperature

• Heat

Multiple Choice

What are the 3 factors that determine an object's thermal energy?

• temperature, volume, and heat

• temperature, mass, and specific heat

• temperature, energy, and thermal friction

Multiple Choice

What does specific heat tell you?

• how much thermal energy a substance has per kilogram

• how much thermal energy is released when it cools

• how much mass a substance has at the same temperature

Multiple Choice

Water and Aluminum have very different specific heats. What do these numbers tell you?

• Aluminum heats water much faster than other substances

• It takes more water to heat a pot made of aluminum

• It takes much more energy to heat water than aluminum

Multiple Choice

What does the c_p represent in the equation?

• the mass

• the total thermal energy of the substance

• the change in temperature

• the specific heat

Multiple Choice

What does the Q represent in the equation?

• the specific heat capacity

• the amount of thermal energy

• the change in temperature

• the amount of the substance

Multiple Choice

Which type of substances have higher specific heat capacities?

• light, polar molecules

• less dense molecules

• heavy atoms

• most metals

Multiple Choice

Strong intermolecular forces correspond to _____ specific heats.

• higher

• lower

Multiple Choice

Why does water have high specific heat?

• it is clear

• it has a large mass

• it is liquid and polar

• it is heavy and dense