What is the solar system? (SC.8.E.5.3)

Planets and smaller bodies that orbit the Sun

Planets and smaller bodies that orbit Earth

Stars and planets that orbit a galaxy

Stars and smaller bodies that orbit planets

The sun's atmosphere has three layers ______, _____, and _______.

photosphere, chromosphere, corona

Core, radiative zone, convective zone

Photosphere, convective zone, core

photosphere, chromosphere, core

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.

Eduardo observes the stars through his telescope. He states that the star Regulus is brighter than the star Rigel. In reality, Rigel has a greater absolute brightness than Regulus. What can explain Eduardo’s observation?

B. Regulus is much closer to Earth than Rigel.

A. Rigel and Regulus are the same temperature.

C. Rigel is much closer to Earth than Regulus.

D. Regulus is a cooler star than Rigel.

The chart below displays the names of different stars and their colors. Star’s name Color Aldebaran Orange Spica Blue Antares Red Sun Yellow Which of the groups below best orders the stars from hottest to coolest?

C. Spica, Sun, Aldebaran, Antares

A. Antares, Spica, Sun, Aldebaran

B. Sun, Spica, Antares, Aldebaran

D. Antares, Aldebaran, Sun, Spica

Which of the following statements accurately describes the sun? A. The Sun rotates at the same rate at its poles and equator. B. The Sun rotates slower at its equator. C. The Sun rotates slower at its poles. D. The Sun does not rotate

C. The Sun rotates slower at its poles.

A. The Sun rotates at the same rate at its poles and equator.

B. The Sun rotates slower at its equator.

What is a light-year?

The distance light travels through space in one year

The distance to our closest star

What are the names of the first four planets from the Sun?

Mercury, Venus, Earth, and Mars

Pluto, Neptune, Uranus and Saturn

Compared to the rest of the stars, our sun is considered...

Medium size with medium temperature

Small with a medium temperature

Unit 7 - The Universe

Authored by Kishinna Fields

Science

8th Grade

NGSS covered

Used 44+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement best describes stars?

large planets that are composed mostly of gas

celestial bodies made of gas that give off light

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

objects that form in the outer parts of the solar system

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two stars have the same apparent magnitude as seen from Earth's surface. Star A is 33 light years away. Star B is 346 light years away. Which of the following statements is true?

Star B is larger than Star A

Star B is more luminous (more true brightness) than Star A

The stars have the same absolute magnitude

None of the above

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following terms is the same as absolute magnitude?

apparent magnitude

luminosity

light year

temperature

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following star colors would have the highest surface temperature?

red

yellow

white

blue

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An astronomer uses a telescope to observe a star. She observes that the color of this star is similar to the color of the sun. Therefore, she infers that the star and the sun have similar sizes and surface temperatures. Using this information, what can the astronomer conclude about the star?

the star is a medium sized star

the star is a white dwarf

the star is hotter than most other stars in the galaxy

the star is bigger than most other stars in the galaxy

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Galaxies contain stars, gas, and dust. What is responsible for holding all of this matter together?

heat

light

gravity

friction

Which of the following terms is a measure of how bright a star appears to be as seen from Earth's surface?

luminosity

apparent magnitude

absolute magnitude

solar radii

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Unit 7 - The Universe

Which statement best describes stars?

Two stars have the same apparent magnitude as seen from Earth's surface. Star A is 33 light years away. Star B is 346 light years away. Which of the following statements is true?

Which of the following terms is the same as absolute magnitude?

Which of the following star colors would have the highest surface temperature?

An astronomer uses a telescope to observe a star. She observes that the color of this star is similar to the color of the sun. Therefore, she infers that the star and the sun have similar sizes and surface temperatures. Using this information, what can the astronomer conclude about the star?

Galaxies contain stars, gas, and dust. What is responsible for holding all of this matter together?

Which of the following terms is a measure of how bright a star appears to be as seen from Earth's surface?

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? (SC.8.E.5.1)

Celestial bodies can be classified based on their sizes. Which of the following is the smallest? (SC.8.E.5.3)

The Sun, Earth, seven other planets and smaller bodies make up our. . .(SC.8.E.5.3)

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