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1.2 Relationships in the Universe

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

A huge collection of stars

a)

Solar system

b)

Universe

c)

Gravity

d)

Galaxy

e)

Galaxium

2.

The distance light travels in one year.

a)

2 AUs

b)

An astronomic unit

c)

A light year.

d)

93 trillion miles.

3.

An astronomer is looking at a recent picture of space, that was taken by the Hubble Space Telescope. He describes the image by saying that it has a collection of many billions of stars bound together by gravitational attraction. What is the astronomer mostly like seeing in the picture?

a)

moon

b)

galaxy

c)

planets

d)

solar system

4.
Our nearest star neighbor, Proxima Centauri, is 4 light years away from Earth. How old is the light by the time we see it?
a)
4,000 years-old
b)
400 years-old
c)
4 years-old
d)
40 years-old
5.

Which statement below best describes the Universe?

a)

The Universe is a black hole made of dark matter.

b)

The Universe is a giant cloud of dust and gas in space.

c)

The Universe contains the Milky Way galaxy which contains most of the stars in space.

d)

The Universe contains many billions of galaxies and each galaxy contains many billions

of stars.

6.

Gustavo is doing a presentation in class comparing the objects of space by their relative sizes.

If “Z” represents a planet, what would “Y” most likely represent?

a)

A solar system because it contains planets and stars.

b)

A nebula because that is what the planets formed from.

c)

A galaxy because it contains billions of stars and the planets.

d)

A universe because it contains billions of stars and the planets.

7.

A huge collection of stars , gas and dust

a)

Universal

b)

Universe

c)

Galaxy

d)

Solar system

e)

Inner and Outer planets

8.
Which component from the table above is MOST likely a solar system?
a)
Component 4
b)
Component 2
c)
Component 1
d)
Component 3
9.

The following image was taken by the Hubble telescope.

Which of the following options best describes what is being observed?

a)

The image is a nebula that is thousands of light years wide, containing stars, galaxies, and planets.

b)

The image is a galaxy, that is thousands of light years wide, containing solar systems, nebulae, planets and millions of stars.

c)

The image is the Universe, that is thousands of astronomical units wide, inside a galaxy containing all the stars and planets.

d)

The image is a solar system, hundreds astronomical units wide, that contains a star in the center with planets, moons, and asteroids orbiting it.

10.
Wave with the longest wavelength
a)
microwave
b)
radio
c)
gamma
d)
visible light
11.
When the wavelength increases the frequency will
a)
increase
b)
decrease
12.

When studying celestial bodies, scientists examine satellite images of the same object made with different waves of the electromagnetic spectrum. How does using different types of electromagnetic waves provide a more complete understanding of the celestial bodies?

a)

EM waves have the same energy which provides unique information.

b)

EM waves travel at different speeds which provide unique information.

c)

EM waves travel the same distance which provides unique information.

d)

EM waves have different wavelengths which provide unique information.

13.

Jackson, Kristy and James are placing cards on a chart that shows the approximate size of Earth,the Milky Way, the Moon, the Sun and an asteroid. Their teacher put the Earth card in the correct place.

Which point on the chart best represents the approximate size of an asteroid?

a)

point 1

b)

point 2

c)

point 3

d)

point 4

14.
EM waves  
a)
Must travel through a vacuum
b)
Can travel through a medium or a vacuum
c)
Are the same type of wave as mechanical waves
d)
Can only travel through a vacuum
15.
All EM waves travel at  
a)
different speeds
b)
the speed of sound
c)
the speed of light
d)
the speed of a vacuum
16.
EM waves have the same speed but different:
a)
frequency & medium 
b)
wavelength & frequency
c)
medium & wavelength
d)
color & medium
17.

Satellites are used mainly to gather light from cosmic objects. The Hubble telescope's mirror captures light and directs it into its several science instruments.

How is this technology advancing our understanding of the universe?

a)

It is capable of counting individual atoms in a substance in order for scientists to study them.

b)

It is capable of sending audio communication to other planets in our solar system for them to respond.

c)

It has already sent pictures that show other planetary systems in the universe in order for scientists to study them.

d)

It is capable of sending clear, distinct images of distant objects, like other galaxies in order for scientists to study them.

18.

Meteorologists use satellites to study global weather patterns and gain a better understanding of weather predictions.

What choice below should meteorologists used to see patterns of heat flow through the atmosphere?

a)

Infrared waves, because the wavelength is lower than visible light.

b)

Ultraviolet waves, because the wavelength is lower than visible light.

c)

They will have to use gamma rays to determine the thermal energy in the atmosphere.

d)

They will have to use different kinds of sensors because the electromagnetic spectrum produces similar types of radiation.

19.

The explosion that sent the universe flying out is called _____.

a)

The Big Bang

b)

The Milky Way

c)

The Solar System

d)

The Sun

20.
Select the correct order of waves on the EMS 
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma