Lesson: Chapter 9 — Heat

Putting the chapter together 1 of 3 Reset answers

Clear all your answers?

This erases every answer in this set and starts you again at question one. Your score will be gone.

Type these four numbers to confirm:

Those numbers don't match. Look at them again and type them.

Yes, clear Keep them

Question 1

Which kind of heat transfer carries heat through empty space?

A Conduction B Expansion C Convection D Radiation

The right answer is the one marked above.

Radiation. Conduction and convection need particles.

Answer the question to continue.