Energy One Quiz

Question 0

Define energy

Answer 0

Ability to work or cause change

If objects do work they use energy

Energy = joules

Question 1

Explain how the total amount of energy in the universe remains constant

Answer 1

First law of thermodynamics
Law of conservation of energy

Energy can neither be created nor destroyed it can only change form

Question 2

What are the six forms of energy

Answer 2

Thermal electrical, chemical radiant nuclear mechanical

Question 3

What is thermal energy

Answer 3

Random motion of particles friction changing temp

Question 4

Electrical energy

Answer 4

Electric charge of motion magnets and electric circuits converted

Question 5

Chemical energy

Answer 5

Stored in bonds Bond Adams together bond broke energy release

Food and fuel

Question 6

Radiant

Answer 6

Charge particles Excelerator each color of light represents different amount of energy

Question 7

Nuclear energy

Answer 7

Nuclei of Adams source movement of nuclear particle

Sun -> radiant

Question 8

Mechanical energy

Answer 8

Objects movement position or both

Question 9

Describe entropy

Answer 9

Nature’s tendency towards disorder

Question 10

Relate energy transfer to entropy

Answer 10

More transfers more entropy less usefulness

Question 11

Relate entropy to usefulness in a closed system

Answer 11

Entropy increases usefulness decreases