4.3 Study Guide

Question 1

What are greenhouse gases

Answer 1

Atmospheric gases that can absorb/release invisible light

Question 2

Examples of greenhouse gasses

Answer 2

CO2, Ozone, Water Vapor, Methane

Question 3

What do greenhouse gasses do

Answer 3

Trap heat in the atmosphere

Question 4

Why is the greenhouse affect important

Answer 4

Keeps planet at a suitable temperature to sustain life

Question 5

How have humans affected the greenhouse affect

Answer 5

Added greenhouse gasses and increased temperatures

Question 6

More CO2 in an ice core

Answer 6

Warmer and thinner ice core (more CO2 on Earth means warmer climate which means less snow)

Question 7

Less CO2 in an ice core

Answer 7

Colder and thicker ice core (less CO2 in atmosphere means cooler temperatures which means more snow)

Question 8

Positive feedback loop

Answer 8

Output amplifies initial disturbance (A produces B which creates more of A)

Question 9

Negative feedback loop

Answer 9

Output restricts initial disturbance (A produces B which reduces amount of A)