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stars

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

the energy of the core moves out. It is a region of very tightly packed gas

a)

radiation zone

b)

convection zone

c)

core

2.

nuclear fusion occurs here, hydrogen atoms join to form hellium

a)

radiation zone

b)

convection zone

c)

core

3.

Hot gases rise and cooler gases sink

a)

radiation zone

b)

convection zone

c)

core

4.

they are areas of gas that are cooler than the gases around them.

a)

sunspots

b)

prominences

c)

solar flares

d)

solar wind

5.

they are huge loops of gas that often link different parts of sunspot regions

a)

sunspots

b)

prominences

c)

solar flares

d)

solar wind

6.

they are erupitions of gas that contain large amounts magnetic energy

a)

sunspots

b)

prominences

c)

solar flares

d)

solar wind

7.

electrical particles that move from the sun into the solar system, the earth's atmosphere and magnetosphere block these particle

a)

sunspots

b)

prominences

c)

solar flares

d)

solar wind

8.

stars that appear bluish generally are at

a)

3,200 °C

b)

5,500 °C

c)

20,000 °C

9.

stars that appear yellowish generally are at

a)

3,200 °C

b)

5,500 °C

c)

20,000 °C

10.

stars that appear redish generally are at

a)

3,200 °C

b)

5,500 °C

c)

20,000 °C

11.

◦a large cloud of gas and dust of immense volume.

a)

supernovas

b)

white dwarfs

c)

black holes

d)

nebula

12.

it is an object with massive gravity which not even light can escape.

a)

supernovas

b)

white dwarfs

c)

black holes

d)

nebula

13.

the explosion of a massive supergiant star

a)

supernovas

b)

white dwarfs

c)

black holes

d)

nebula

14.

They are low mass and medium mass stars.

a)

supernovas

b)

white dwarfs

c)

black holes

d)

nebula