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?

The moon is much closer to Earth than the sun.

The moon is much hotter than the sun.

The moon is much denser than the sun.

The moon is much brighter than the sun.

Which two objects in space are located farthest apart?

the Milky Way galaxy and the Andromeda galaxy

Space exploration has advanced our knowledge of the universe. Which space journey would take the longest ?

a journey from Earth to a star in the constellation Centaurus

a journey from Earth to the sun

a journey from Earth to the moon

a journey from Earth to the farthest planet in our solar system, Neptune

During a trip to a planetarium, Greg learned that the outer planets are Jupiter, Saturn, Uranus, and Neptune. Which statement describes the four outer planets?

They have rocky surfaces and volcanoes

Pam’s little sister drew this picture of our solar system. Based on current information, why is the picture incorrect?

There should be 8 planets, not 9.

There should be 10 planets, not 9

All of the planets should have moons

Sidney made a diagram of our solar system. Which statement is true of the four planets farthest from the Sun?

They travel farther around the Sun than the inner planets.

They are smaller than the inner planets.

Ajay made this drawing of our solar system. What does the drawing show about the Sun and planets?

their relative distances from the Sun

whether or not they have an atmosphere

The order of the planets is:

Mercury,Venus,Earth Mars,Jupiter, Saturn,Uranus Neptune

Mars,Venus,Earth, Mercury,Saturn Jupiter, Uranus, Neptune

Earth,Venus,Mars Jupiter, Neptune, Mercury,Saturn, Uranus

Mercury, Earth, Venus, Mars, Saturn, Jupiter, Neptune, Uranus

What information do we need to calculate the absolute magnitude of a star?

apparent magnitude and distance from Earth of the star

color and temperature of the star

color and composition of the star

color and distance from Earth of the star

Which one of these conclusions can be drawn based on the graph?

Blue stars are generally more luminous than red stars.

Absolute magnitude is not related to the color of a star.

Blue stars are farther from Earth than red stars.

A blue star will appear brighter from Earth’s surface than a red star.

What is the biggest difference between the Geocentric Model and the Heliocentric Model?

the shape of the planets' orbits

Why do the Sun and Moon appear to be the same size in the sky?

The Sun is 400 times bigger, but the Moon is 400 times closer.

The Sun is 400 times bigger, but the Moon is 100 times closer.

The Sun is 100 times bigger, but the Moon is 400 times closer.

The Moon is 400 times bigger, but the Sun is 400 times closer.

An eclipse in space is when....

one object passes through the shadow of another object.

the moon is in the waxing crescent phase.

the Sun and Moon are side by side.

Can travel through a medium or a vacuum

Are the same type of wave as mechanical waves

Can only travel through a vacuum

8th Grade Science Final Review

Authored by Kathy Sites

Biology, Science, Physics

8th Grade

NGSS covered

Used 160+ times

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88 questions

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MULTIPLE CHOICE QUESTION

5 sec • 1 pt

The inner planets are also called...

terrestrial planets

gas giants

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The inner planets are closer to the sun so

they take longer to orbit the sun.

they orbit the sun faster.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Located between the inner and outer planets.

Sun

Asteroid belt

Uranus

Moons

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The greater mass a planet has,

the greater the gravitational force it has

the less gravitational force it has

gravitational force does not depend on mass

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 number of years it takes light to travel to Earth

the time it takes light to travel 1 million km

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Astronomers use the light-year to describe the relationship between objects in space. For example, the Andromeda galaxy is 2.5 million ly from Earth. Which of the following units is most similar to the light-year?

gram

second

kilometer

degrees Celsius

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A light-year (ly) is the distance that light travels in one year. If a star is 3 ly from Earth, how long does it take light from that star to reach Earth?

3 min

3 h

3 y

3 ly

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8th Grade Science Final Review

The inner planets are also called...

The inner planets are closer to the sun so

Located between the inner and outer planets.

The greater mass a planet has,

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

Astronomers use the light-year to describe the relationship between objects in space. For example, the Andromeda galaxy is 2.5 million ly from Earth. Which of the following units is most similar to the light-year?

A light-year (ly) is the distance that light travels in one year. If a star is 3 ly from Earth, how long does it take light from that star to reach Earth?

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?

Which two objects in space are located farthest apart?

Space exploration has advanced our knowledge of the universe. Which space journey would take the longest?

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