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Relationships in the Universe

Total questions: 34

Worksheet time: 21mins

Name
Class
Date
1.

If two stars are 100 light-years apart, what does that mean?

a)

It would take 100 years for a spaceship to travel between these two stars.

b)

It takes 100 years for light to travel from one star to the other.

c)

One of the stars formed 100 years before the other.

d)

The stars are 100 million kilometers from each other.

2.

Which distance is the greatest?

a)

the distance across the Milky Way galaxy

b)

the distance to the nearest star cluster

c)

the distance across the solar system

d)

the distance to the nearest galaxy

3.

Which of the following is the correct order of the objects from largest to smallest?

a)

sun, solar system, Milky Way, universe

b)

universe, Milky Way, solar system, sun

c)

Milky Way, sun, solar system, universe

d)

solar system, universe, sun, Milky Way

4.

Which of the following is the smallest?

a)

sun

b)

galaxy

c)

solar system

d)

universe

5.

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.

6.

What is the largest body in our solar system?

a)

Jupiter

b)

Earth

c)

Saturn

d)

Sun

7.

Which of the following list the correct hierarchy in the Universe from biggest to smallest?

a)

Universe, galaxies, solar system, stars and planets

b)

Planets, stars, solar system, galaxies, universe

c)

Solar system, galaxies, stars, planets, universe

d)

Universe, solar system, galaxies, planets and stars

8.

Which is the bigger unit?

a)

Astronomical Unit (AU)

b)

Light Year (ly)

9.

Which unit of measurement would we use to measure the distance between Earth and another body within our Solar System.

a)

Astronomical Unit (AU)

b)

Light Year (ly)

c)

Miles (mi)

d)

Kilometers (km)

10.

An Astronomical Unit (AU) is the distance between

a)

Sun and Earth

b)

Earth and Moon

c)

two galaxies

d)

Mercury and Neptune

11.

Joe tells Gabby his theory about why sea turtles nest on the beach instead of in the ocean. He says, “The turtle eggs would sink to the bottom of the ocean, and the baby turtle would drown. I know this because my uncle is a fisherman, and he told me this information. Gabby tells Joe that his theory is not scientific. Why does Joe’s idea not meet the requirements to be a scientific theory?

a)

Joe’s idea is already a scientific law.

b)

Joe’s idea is not supported by scientific evidence.

c)

Joe’s idea is a good guess that can be tested by experiments.

d)

Joe and his uncle are not scientists.

12.

Which of these explain how a natural phenomenon works or happens?

a)

theory

b)

law

13.

Which of these describes a natural phenomenon or relationship that always occurs under specific conditions

a)

theory

b)

law

14.

Which of these can change when new evidence is presented?

a)

theory

b)

law

15.

The law of universal gravitation states that both mass and distance of objects affect the gravitational force between them. Gravitational force increases as the mass of the objects increase. Gravitational force decreases as distance between the objects increases. Why are these statements considered scientific law, and not scientific theory?

a)

The statements tells what happens, and not why it happens.

b)

The statements involve mass and distance measurements.

c)

The statements explain the attractive force between two objects.

d)

The statements predict what will happen under certain conditions.

16.

Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?

a)

1 year

b)

4.3 years

c)

43 years

d)

10 trillion years

17.

Cameron was asked to express the distance between the Milky Way galaxy and the Andromeda galaxy. What is the most appropriate unit of measurement to use?

a)

meter

b)

light-year

c)

kilometer

d)

Astronomical Unit

18.

The points labeled on the chart above represent the approximate size of Earth, the Milky Way, the Moon, and the Sun. The approximate size of the Solar System is also shown.

Which point on the chart best represents the approximate size of the Sun?

a)

W

b)

X

c)

Y

d)

Z

19.

A huge collection of stars , gas and dust

a)

Universal

b)

Universe

c)

Galaxy

d)

Solar system

e)

Inner and Outer planets

20.

A huge collection of stars

a)

Solar system

b)

Universe

c)

Gravity

d)

Galaxy

e)

Galaxium

21.

The distance light travels in one year.

a)

2 AUs

b)

An astronomic unit

c)

A light year.

d)

93 trillion miles.

22.

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.

23.

The sun is much larger than the moon. However, as viewed from Earth, the sun and moon appear to be the same size. Why do the sun and moon appear to be the same size when viewed from Earth?

a)

The moon is much hotter than the sun.

b)

The moon is much denser than the sun.

c)

The moon is much brighter than the sun.

d)

The moon is much closer to Earth than the sun.

24.

What is the largest body in our solar system?

a)

Jupiter

b)

Earth

c)

Saturn

d)

Sun

25.

Which of the following list the correct hierarchy in the Universe from biggest to smallest?

a)

Universe, galaxies, solar system, stars and planets

b)

Planets, stars, solar system, galaxies, universe

c)

Solar system, galaxies, stars, planets, universe

d)

Universe, solar system, galaxies, planets and stars

26.

Which is the bigger unit?

a)

Astronomical Unit (AU)

b)

Light Year (ly)

27.

Which unit of measurement would we use to measure the distance between Earth and another body within our Solar System.

a)

Astronomical Unit (AU)

b)

Light Year (ly)

c)

Miles (mi)

d)

Kilometers (km)

28.

What do climatologist do in their study?

a)

Use satellites to collect and analyze data on climate change

b)

Look at the weather

c)

View climate changes due to global warming

d)

Climb a mountain to study snow.

29.

Which of the following is the correct order of the objects from largest to smallest?

a)

sun, solar system, Milky Way, universe

b)

universe, Milky Way, solar system, sun

c)

Milky Way, sun, solar system, universe

d)

solar system, universe, sun, Milky Way

30.

Which statement best describes stars?

a)

large planets that are composed mostly of gases

b)

celestial bodies made up of gas that give off light

c)

faint dots of light that can be seen from Earth’s surface

d)

objects that form in the outer parts of the solar system

31.

Most of these objects can be found in a large space between Mars and Jupiter. They are made of small and large rocks and they orbit the sun. What are these objects called?

a)

Asteroids

b)

Stars

c)

Comets

d)

Planets

32.

These objects are in space and are made of mountain sized chucks of ice and dust. Some orbit the Sun many times while others may crash into the Sun. What are these objects called?

a)

Asteroids

b)

Stars

c)

Comets

d)

Planets

33.

The Moon revolves around the Earth because of a non-contact force. What force of Earth keeps the Moon in orbit?

a)

electrical force

b)

magnetic force

c)

centripetal force

d)

gravitational force

34.

Which of the following list the correct hierarchy in the Universe from biggest to smallest?

a)

Universe, galaxies, solar system, stars and planets

b)

Planets, stars, solar system, galaxies, universe

c)

Solar system, galaxies, stars, planets, universe

d)

Universe, solar system, galaxies, planets and stars