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Sun Properties and Electromagnetic Spectrum

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.

What are sunspots?

a)

Areas on the Sun's surface that are cooler than the surrounding areas

b)

Areas on the Sun's surface that are hotter than the surrounding areas

c)

Areas on the Sun's surface that emit more radiation than the surrounding areas

d)

Areas on the Sun's surface that emit less radiation than the surrounding areas

2.

What causes solar flares?

a)

Interactions between magnetic fields on the Sun's surface

b)

Interactions between the Sun's atmosphere and Earth's atmosphere

c)

Interactions between the Sun's core and its outer layers

d)

Interactions between the Sun's radiation and space debris

3.

What is solar wind?

a)

A stream of charged particles emitted by the Sun

b)

A stream of electromagnetic waves emitted by the Sun

c)

A stream of hot gases emitted by the Sun

d)

A stream of cosmic rays emitted by the Sun

4.

What is solar radiation?

a)

Energy emitted by the Sun in the form of electromagnetic waves

b)

Energy emitted by the Sun in the form of charged particles

c)

Energy emitted by the Sun in the form of heat

d)

Energy emitted by the Sun in the form of sound waves

5.

Which of the following is NOT part of the electromagnetic spectrum?

a)

Visible light

b)

X-rays

c)

Sound waves

d)

Radio waves

6.

What is the order of the electromagnetic spectrum from lowest to highest frequency?

a)

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays

b)

Gamma rays, X-rays, ultraviolet, visible light, infrared, microwaves, radio waves

c)

Radio waves, infrared, visible light, ultraviolet, X-rays, gamma rays, microwaves

d)

Microwaves, radio waves, visible light, infrared, ultraviolet, X-rays, gamma rays

7.

Which type of electromagnetic radiation has the shortest wavelength?

a)

Gamma rays

b)

X-rays

c)

Ultraviolet

d)

Visible light

8.

What is the main source of energy for the Sun?

a)

Nuclear fusion

b)

Nuclear fission

c)

Chemical reactions

d)

Gravitational collapse

9.

What is the approximate temperature of the Sun's core?

a)

15 million degrees Celsius

b)

1 million degrees Celsius

c)

10,000 degrees Celsius

d)

5,000 degrees Celsius

10.

What is the outermost layer of the Sun's atmosphere called?

a)

Corona

b)

Photosphere

c)

Chromosphere

d)

Convection zone

11.

What layer of the sun can be seen in a total solar eclipse?

a)

corona

b)

photosphere

c)

chromosphere

12.

What is a sunspot?

a)

Sunspots are dots in the sun.

b)

Sunspots are large areas on the Sun's surface that are hotter and darker than the surrounding area.

c)

Sunspots are volcanoes in the Sun that erupt every now and then

d)

Sunspots are large areas on the Sun's surface that are cooler and darker than the surrounding area.

13.

What is a solar flare?

a)

Solar flares are explosions of hot gases that occur near sunspots

b)

Solar flares are huge looping eruptions of gases that arc out from the atmosphere.

14.

What is a photoshpere

a)

The core

b)

The surface of the sun

c)

The outer layer.

d)

Large holes in the sun.

15.

What is a corona

a)

The core of the sun

b)

Outer layer of the sun's atmosphere

c)

Surface of the sun

d)

Magnetic Field

16.

What is nuclear fusion

a)

Energy from the sun comes from its core where hydrogen is converted into helium

b)

A nuclear bomb that releases from the sun

c)

The outer layer of the suns atmosphere.

d)

The core of the sun

17.

What is a CME (Coronal Mass Ejection)

a)

When the sun releases a large amount of charged particles all at once.

b)

Large areas on the suns surface that are cooler and darker than its surrounding area.

c)

Large hooping eruptions of gases that arc out from the photosphere.

d)

Explosions pf hot gases that occur near sunspots.

18.

What is a aurora

a)

A rainbow at night

b)

Lasers

c)

When the solar wind charges some of the gases in the earths atmosphere

d)

Shiny cool lights that float in the sky

19.

What are the harmful effects of CME's?

a)

Causes disruptions with radio, telephone. and television signals, and static radios

b)

We all die and go extinct

c)

None

d)

We will be fine

20.

The diagram above shows a Bunsen burner heating a beaker of water on a beaker stand. The arrows represent the transfer of heat energy in the water. Which process is primarily responsible for the transfer of heat in the beaker as indicated by the arrows in the diagram?

a)

conduction

b)

radiation

c)

convection

d)

condensation

21.

Movement that transfers heat in a fluid is called

a)

conduction

b)

convection

c)

radiation

d)

specific heat