2. Energy from the sun reaches Earth mostly by
(1 point)
conduction.
convection.
radiation.
thermal expansion.
3. Which of the following materials conducts heat well?
(1 point)
glass
plastic
metal
wood
4. The second law of thermodynamics states that thermal energy can flow from colder objects to hotter objects
(1 point)
by convection.
only if work is done on the system.
spontaneously.
when thermal expansion takes place.
5. Disorder in the universe increases because
(1 point)
spontaneous changes produce more order in a system.
work produces disorder in a system.
work produces waste heat, which leaves a system.
all of the above
Completion
Complete each sentence or statement.
6. The transfer of thermal energy with no overall transfer of matter is called _____________.
(1 point)
7. The study of the conversion between heat and other forms of energy is called _____________.
(1 point)
(1 point)
conduction.
convection.
radiation.
thermal expansion.
3. Which of the following materials conducts heat well?
(1 point)
glass
plastic
metal
wood
4. The second law of thermodynamics states that thermal energy can flow from colder objects to hotter objects
(1 point)
by convection.
only if work is done on the system.
spontaneously.
when thermal expansion takes place.
5. Disorder in the universe increases because
(1 point)
spontaneous changes produce more order in a system.
work produces disorder in a system.
work produces waste heat, which leaves a system.
all of the above
Completion
Complete each sentence or statement.
6. The transfer of thermal energy with no overall transfer of matter is called _____________.
(1 point)
7. The study of the conversion between heat and other forms of energy is called _____________.
(1 point)