Chapter 6 Quiz

Question 1

Law of thermodynamics explains:

Answer 1

why energy flows through ecosystems and through cells.

Question 2

First law of thermodynamics

Answer 2

energy cannot be created or destroyed. (conservation of energy)

Question 3

Second Law of thermodynamics

Answer 3

energy is lost when it is converted from one form to another, often in the form of heat

Question 4

As entropy increases/decreases, the total available energy increases/decreases

Answer 4

Increases, decreases

Question 5

Example of Kinetic Energy

Answer 5

Energy of motion, water flowing down a waterfall, rock rolling down a hill

Question 6

Example of Potential Energy

Answer 6

Stored energy, the food we eat, runners crouched at starting line

Question 7

During photosynthesis, carbon dioxide is ___ and water is ___ (reduced/oxidized)

Answer 7

Carbon Dioxide is reduced, water is oxidized

Question 8

During cellular respiration, glucose is ___ and oxygen is ____ (reduced/oxidized)

Answer 8

Glucose is oxidized and oxygen is reduced