Conditions for life on earth (yr1)

Question 1

Albedo

Answer 1

A proportion of the incident light or radiation that is reflected by a surface

Question 2

Ambient Gas

Answer 2

Atmospheric air in its natural state, not contaminated by airborne pollutants

Question 3

Atmosphere

Answer 3

The envelope of gases surrounding the planets

Question 4

Biosphere

Answer 4

The regions of the surface on an atmosphere of earth or another planet occupied by living organisms

Question 5

Carbon Sequestration

Answer 5

A natural or artificial process by which carbon dioxide is removed from the atmosphere and held in solid or liquid form

Question 6

Greenhouse gas

Answer 6

A gas that contributes to the greenhouse effect by absorbing infrared radiation .

Question 7

Hydrosphere

Answer 7

All the waters on the earths surface including lakes, seas, rivers and sometimes clouds.

Question 8

Insolation

Answer 8

Exposure to the sons rays reaching a given area

Question 9

Lithosphere

Answer 9

The rigid outer part of the earth consisting of the crust and upper mantle

Question 10

Magnetosphere

Answer 10

The region surrounding the a planet in which its magnetic field is.

Question 11

Ozone layer

Answer 11

A layer in earths stratosphere containing high concentrations of O3 which absorbs most of the ultraviolet radiation from the sun

Question 12

Photoautotroph

Answer 12

Organisms that use light energy and inorganic carbon to produce organic materials.

Question 13

Specific Heat Capacity

Answer 13

The heat required to raise the temperature of a given substance by a given amount.
Example -> 1kg of water by 1 degrees C

Question 14

What is dendrochronology?

Answer 14

Measuring trees

growth rings in response to seasonal changes

Question 15

What is pollen analysis?

Answer 15

Where the residue pollen can be used to determine which plants lived in a certain area