Unit 1 Outcome 2

Question 1

Nuclear Fusion

Answer 1

Process involved in formation of sun.
Produces light when two hydrogen atoms combine to form helium.

Question 2

Solar nebula

Answer 2

Vast gas cloud that condensed to form the solar system

Question 3

Solar energy

Answer 3

Energy that is emitted from the sun.
Emitted as visible light, infrared light and ultraviolet light.

Question 4

Solar cycle

Answer 4

Periodic variation in solar activity caused magnetic field created by nuclear fusion.
One cycle lasts approximately 11 years.

Question 5

Solar maximum

Answer 5

High amounts of solar activity

Question 6

Solar minimum

Answer 6

Low amounts of solar activity

Question 7

Sun spot

Answer 7

A dark region of the sun’s surface, caused by intense solar activity
More sun spots = more solar activity

Question 8

Electromagnetic radiation

Answer 8

Energy emitted by the sun in the form of waves - a result of nuclear fusion

Question 9

Wavelength

Question 10

Frequency

Question 11

Photon

Question 12

Electromagnetic spectrum

Answer 12

The range of electromagnetic waves, arranged according to their wavelengths and frequencies.

Question 13

Transmitted

Question 14

Refracted

Question 15

Absorbed

Question 16

Reflected

Question 17

Cyanobacteria

Question 18

Plate tectonics

Question 19

Divergent boundary

Question 20

Continental drift

Question 21

Convergent boundary

Question 22

Convection current

Question 23

Transform-fault boundary

Question 24

Radioactive dating

Question 25

Continental crust

Question 26

Oceanic crust

Question 27

Terrestrial plant

Question 28

Jovian planet