Author Question: What physical process results in the convection of thermal energy? a. Collisions between the ... (Read 107 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
What physical process results in the convection of thermal energy?
 a. Collisions between the particles in a material.
  b. The movement of a fluid through a space.
  c. The energy exchange when a liquid becomes a gas.
  d. The energy transferred by electromagnetic waves traveling between objects.
  e. Brownian motion.

Question 2

In this photo, the left side of a ceramic dish is ice-cold while the right side is very hot. What property of a ceramic, at the atomic/molecular level, would make it a poor heat conductor compared with a copper dish?
 a. Ceramics fall apart at high temperatures.
  b. Only colliding and vibrating atoms transfer their motion to each other and cause conduction.
  c. The electrons in the ceramic, which is an electrical insulator, are not as free to move over large distances to help transfer thermal energy.
  d. Only electrons that conduct electric current can transfer energy and cause heat conduction.
  e. Only metals conduct heat.



nickk12214

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

For a complete list of videos, visit our video library