Galaxies are composed of (choose the BEST answer)

stars, dust, and gas held together by gravity

Uses mirrors or lenses to focus visible light rays to make enlarged images of far away objects.

optical telescopes (reflecting or refracting)

How can the information from a spectroscope help an astronomer to learn about the universe?

It can show the composition of stars, and the motion of galaxies toward or away from our galaxy.

It can be used to calibrate a telescope for clearer images.

It can be used to determine how many planets are in a distant solar system.

It can show if a black hole has eclipsed a supernova in distant galaxies.

What is the advantage of using a telescope with a large aperture?

Its images are brighter and clearer than other telescopes.

It can magnify things further away than other telescopes can.

It can magnify smaller objects than other telescopes.

It's eyepiece is larger than other telescopes.

What are reasons that astronomers use filters in telescopes? (Choose TWO answers)

To block out forms of radiation that would harm the eyes.

To block out light that might make an image harder to see.

To gather more light and make an image brighter.

Which is NOT true of the International Space Station?

Several countries competed against each other to see which one could complete it first.

It is the largest man-made satellite ever built

It allows scientists to do experiments in a space environment

Scientists use the light-year to describe the relationships between objects in space. What does a light-year measure?

the distance that light can travel in one year

the brightness of light that travels through space

the distance from the sun to the Earth

the time it takes light to travel 1 million km

The solar system formed from

all of the matter in the Milky Way galaxy.

How much matter makes up an object.

How much gravity is pulling an object.

How much space an object takes up.

How close together the particles are in a substance

The Sun produces energy by

attracting it with the force of gravity.

What two factors determine the force of gravity?

the distance between the objects and their masses

the masses of the objects and their speeds

the shape of the objects and their inertia

the masses of the objects and their volumes

How does the gravity of the Sun and the Moon affect Earth's tides?

The differences in the high tides and low tides are caused by changes in the gravity from the Sun and Moon pulling on different parts of the Earth.

The Sun has a greater pulling effect on the Earth's tides because it is more massive than the Moon.

The highest tides on Earth occur when the Sun and the Moon are at right angles to each other.

The tidal range is very small when the Moon and the Sun are in a straight line with the Earth.

What is the relationship between the mass of objects and the amount of gravitational force between them?

More massive objects exert a greater gravitational force on each other.

Mass is inversely related to the amount of gravitational force.

Objects with smaller masses are more strongly attracted to each other because they are easier to move.

Mass only affects the amount of gravitational force between certain objects.

Why is the amount of gravitational force between the Sun and the next nearest star not very strong?

Objects that are very far away don't exert much gravitational force on each other.

Stars are so large that gravity doesn't affect them.

The heat inside stars is so great that it interferes with the amount of gravitational force.

Distance is directly proportional to the amount of gravitational force between two objects.

When do spring tides occur?

When the Sun, Earth, and the Moon are nearly in a line.

When the Moon is at a right angle to the Sun.

During the Moon's third-quarter phase.

Evidence gathered by studying the composition and movement of distant galaxies indicates that the early universe was much smaller, but expanded rapidly. The universe has continued to expand for over 13 billion years. Which statement is in agreement with the current understanding of the expanding universe?

All matter and energy were contained inside the universe when it was much smaller, and energy was released as the universe expanded.

Matter and energy came from dark areas of the universe and were attracted to the small point.

Matter and energy fell into the small point the same way a black hole attracts matter and energy.

Matter was condensed into a single point until energy was attracted to the matter from dark areas of the universe.

Students are using balloons to describe the expanding universe model. The students blow up several balloons and put them on the floor. Each balloon represents a different galaxy. How should the students move or change the balloons to demonstrate how the universe is expanding?

All of the balloons should be moved away from each other so there is more distance between them.

All of the balloons should be moved to the center of the floor.

Each balloon should be inflated more so that they are all increasing in size.

Each balloon should be deflated so that there is more distance between the surface of each balloon.

Campbell wants to test what humidity level is best for growing dogwood trees. She keeps three trees in greenhouses with different humidity levels and leaves one tree outside. She gives them all the same amount of fertilizer and water. She measures how much each one grew each week for three weeks. What is the control group in this experiment?

the amount of fertilizer and water

the tree with the highest humidity level

the trees that had their humidity levels controlled

How fast do electromagnetic waves travel in a vacuum?

The speed of light (300,000 km/s)

It cannot be measured with current technologies

According to Hubble's Law, the farther away a galaxy is,

the faster it is moving away from us.

the faster it is moving toward us.

the slower it is moving toward us.

the slower it is moving away from us.

Cosmic background radiation is electromagnetic radiation left over from

the rapid expansion and energy release in the early universe

the formation of our solar system

A researcher studies the light emitted by a distant star. The researcher finds that the light received from the star falls slightly closer to the red end of the electromagnetic spectrum when compared to a similar source closer to Earth. The researcher concludes that the star is moving away from Earth. Is the researcher correct?

Yes. Light from a star moving away from Earth shifts to red-colored light.

No. All stars emit red-colored light.

Yes. All moving stars emit red-colored light.

No. The red-colored emission is due to the composition of the star.

What is “dark energy”?

A force that seems to be causing galaxies to accelerate away from each other.

Energy that cancels out light waves.

A force that pulls all matter together in the universe.

Energy that can only be detected when a cathode ray tube television is tuned in between stations.

the height difference between high tide and low tide.

the area near the coast where the effects of tides are noticeable.

the differences in wavelengths between waves hitting the coastline in a specific location.

the differences in amplitude of waves that hit the coastline in a specific location.

When is the tidal range the highest?

When the sun, Earth, and the moon are nearly in a line.

When the moon is at a right angle to the sun.

During the moon's third-quarter phase.

During the moon's first-quarter phase.

Universe, Space Exploration, and Tides

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-4, HS-ESS1-2, MS-ESS1-2

+14

Standards-aligned

Andrew Skadberg

Used 26+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A refracting telescope uses _______ to focus light.

Lenses

Mirrors

Lasers

Water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reflecting telescopes use _______ to focus light.

Lenses

Flat mirrors

Curved Mirrors

A lens and lasers

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is the Hubble telescope located in space?

So it can be closer to the stars it magnifies

They have very large optical lenses

So its images arent distorted by Earth's atmosphere

So it can be operated by astronauts

Tags

NGSS.HS-PS4-5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why are many large optical telescopes located on mountains?

to be closer to the stars

to be above some of the atmosphere and further from city lights

because it is easier to build telescopes on mountains

to be closer to city lights

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An object that revolves around another object in space

revolving

Meteoroid

satellite

vacuum

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A spacecraft that can bring a group into space and bring them back to earth and be used for the same purpose all over again

Space probe

Spectroscope

Rover

Space shuttle

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-4

NGSS.MS-PS2-1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A large artificial satellite on which people can live and work for long periods

space station

space probe

rover

rocket

Tags

NGSS.MS-ETS1-4

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Universe, Space Exploration, and Tides

50 questions

A refracting telescope uses _______ to focus light.

Reflecting telescopes use _______ to focus light.

Why is the Hubble telescope located in space?

Why are many large optical telescopes located on mountains?

An object that revolves around another object in space

A spacecraft that can bring a group into space and bring them back to earth and be used for the same purpose all over again

A large artificial satellite on which people can live and work for long periods

A spacecraft that can carry lots of scientific instruments that can collect data, including visual images, but does not hold any space crews on it.

A small robotic probe that can move about the surface of a planet or moon

Galaxies are composed of (choose the BEST answer)

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