The first event in the history of the universe is called the

None of these is correct, as the universe had no beginning.

Circumpolar stars are stars that are

always on the celestial equator.

always at the north celestial pole.

Galileo's observation that Venus has phases and its angular size changes with each phase supports a heliocentric Solar System because:

it shows that Venus orbits the Sun, not the Earth.

it proves that Venus is closer to the Earth than the Sun.

it demonstrates that all planets have the same phases as the Moon.

it indicates that the Sun orbits around Venus.

Between any two objects with mass, the force of gravity is always

the same value, regardless of the masses involved.

In a circular orbit, the force of gravity provides a(n)

attractive force that destroys the orbit.

source of energy to sustain the orbit.

If the wavelength of a beam of light were to double, how would that affect its frequency?

The frequency would be two times lower.

The frequency would be four times higher.

The frequency would be two times higher.

The frequency would be four times lower.

There is no relationship between wavelength and frequency.

Saying that something is quantized means that it

can only be found in discrete quantities.

can only be observed by using a telescope.

is around the same size or smaller than an atom.

Which of these stars would have the largest positive redshift?

a star moving at high speed away from you

a star moving at low speed toward you

a star moving at high speed toward you

a star moving at low speed away from you

a star that is not moving away from you or toward you

You observe a red star and a blue star and are able to determine that they are the same size. Which star has a higher surface temperature, and why?

The blue star is hotter because it is bluer.

The red star is hotter because it is redder.

The distance to each star must also be known to determine their temperatures.

The color of a star only tells us its radial motion; more information is needed.

They must have the same temperature if they are the same size.

An emission line is formed when electrons in an atom drop to a lower energy level and emit a photon. The pattern of lines is unique to a given element because each element has a unique arrangement of energy levels. Which of the following best explains why the emission line pattern is unique to each element?

Each element has a unique arrangement of energy levels.

All elements have the same energy levels.

Emission lines are caused by the absorption of photons.

The pattern depends on the temperature of the element.

a device used to measure the intensity of light at each wavelength.

a device used for clearly resolving physical details of distant objects.

typically made from two ordinary pieces of glass.

Which of the following is a way for astronomers to view a wide range of infrared wavelengths from space without using a space telescope?

Mount a telescope on an airplane.

Place a telescope at the South Pole.

Craters on Solar System objects today (such as Mercury and the Moon) would have been caused by

planetesimals impacting in the last stages of accretion.

collisions with planet-sized objects.

explosive volcanic activity after the object had formed.

explosive volcanic activity while the object was still molten and forming.

natural geological motion of the surface with time.

Astronomers create vibrant, multicolored images of nebulae because

although the colors are not true colors, they trace important details.

they are exactly what the human eye would see.

the false colors result in pleasing images that can be sold to increase research funding.

the choice of colors hides distortions, such as chromatic aberration.

although they are true color images, they unfortunately hide important physical details.

Before our Solar System began forming, the material that would eventually become Earth would have been in what form?

a roughly Earth-sized rocky body

a giant rocky body that would later fragment

If you are spinning in a chair and then you spread your arms out wide, you should expect

your rotation rate to increase.

Astronomers use the Doppler effect to detect the presence of extrasolar planets by observing changes in a star's spectrum caused by the gravitational pull of an orbiting planet.

By observing changes in a star's spectrum caused by the gravitational pull of an orbiting planet.

By measuring the brightness of a star over time.

By detecting radio signals from the planet.

By capturing direct images of the planet.

The dynamo theory says that a planet will have a strong magnetic field if it has

fast rotation and a liquid core.

fast rotation and a solid core.

slow rotation and a liquid core.

slow rotation and a solid core.

fast rotation and a gaseous core.

Which of the following is evidence for Mars once having had liquid water on its surface?

Mapping satellites have detected dry riverbeds.

Rovers have detected minerals that must have formed in the presence of liquid water.

Landers have found water ice just under the surface.

The main greenhouse gases in the atmosphere of the terrestrial planets are

carbon dioxide and water vapor.

What makes carbon dioxide a highly effective greenhouse gas?

It easily absorbs infrared radiation.

It easily absorbs UV radiation.

It easily absorbs visible light.

It easily reacts chemically with rock.

It easily photodissociates in the upper atmosphere.

How is the atmosphere of Saturn similar to the atmosphere of Earth?

They both have jet streams and periods of stormy and calm weather.

They are both made of mostly hydrogen and helium.

They both create magnetic fields.

They both rotate in less than 11 hours.

They both have a seamless transition between gas and liquid.

Final Exam

Quiz

•

Science

•

University

•

Practice Problem

•

Medium

•

NGSS

MS-ESS1-1, MS-PS2-4, MS-ESS1-2

+16

Standards-aligned

Rachel Smith

Used 2+ times

FREE Resource

76 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are ________ planets in the Solar System.

6.

8.

12.

20.

63.

Put the planets in order!

Venus

Mars

Mercury

Jupiter

Earth

3.

REORDER QUESTION

1 min • 1 pt

Put the planets in order!

Saturn

Mars

Jupiter

Neptune

Uranus

4.

REORDER QUESTION

1 min • 1 pt

Put our cosmic address in order!

Milky Way Galaxy

Virgo Supercluster

Solar System

Local Group

Laniakea Supercluster

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Our galaxy and the few dozen nearest galaxies are known as the

Solar System.

Milky Way.

Local Group.

Virgo Supercluster.

Laniakea Supercluster.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a change occurs on the surface of the Sun, how long does it take before astronomers on Earth can see the change?

8 minutes

11 hours

1 second

1 day

It reaches us instantaneously.

A light-year is a unit commonly used in astronomy as a measure of

time.

speed.

mass.

distance.

acceleration.

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Final Exam

76 questions

There are ________ planets in the Solar System.

Put the planets in order!

Put the planets in order!

Put our cosmic address in order!

Our galaxy and the few dozen nearest galaxies are known as the

When a change occurs on the surface of the Sun, how long does it take before astronomers on Earth can see the change?

A light-year is a unit commonly used in astronomy as a measure of

The first event in the history of the universe is called the

The apparent path of the Sun across the celestial sphere over the course of a year is called the

The point on the sky directly above an observer is called the

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