The Sun and Other Stars

Which of the following units is used to express the size of stars?

• kilometer

• light-year

• solar radius

• astronomical unit

Tags

NGSS.MS-ESS1-3

Which statement best describes stars?

• large planets that are composed mostly of gases

• celestial bodies made up 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

Organize the colors of stars in order from coolest to hottest.

• red, yellow, white, blue

• white, blue, yellow, red

• yellow, white, blue, red

• blue, yellow, white, red

Which of the following statements best relates a star’s color to its surface temperature?

• A blue star has a relatively low temperature.

• A red star has a relatively high temperature.

• A blue-white star has a relatively low temperature.

• An orange star has a relatively low temperature.

Which of the following correctly ranks astronomical objects by size, starting with the largest?

• earth, sun, solar system, galaxy, universe

• sun, solar system, earth, universe, galaxy

• universe, galaxy, solar system, sun, earth

• solar system, earth, sun, universe, galaxy

If the Sun were the size of a basketball and Jupiter were the size of a baseball, how big would Earth be on this scale?

• The size of a softball, because Earth is larger than Jupiter.

• The size of a pea, because Earth is smaller than Jupiter.

• The size of a beach ball, because Earth is larger than the Sun.

• The size of a golf ball, because Earth is about the same size as Jupiter.

Tags

NGSS.MS-ESS1-3

Which layer of the Sun is visible during a total solar eclipse?

• corona

• photosphere

• core

• All of the above

Tags

NGSS.MS-ESS1-1

Which characteristics do our Sun and all stars have in common?

• they are all gaseous spheres and the same size

• they are all the same size and the produce energy

• they are all the same color and the same temperature

• they all produce energy and are gaseous spheres

Which of the following statements correctly describes the difference between absolute brightness and apparent magnitude?

• Absolute brightness measures the brightness of the star by using a standard distance from Earth, while apparent magnitude measures the brightness of the star as we see it from Earth.

• Absolute brightness measures the brightness of the star by using a standard distance from Earth, while apparent magnitude measures the brightness of the star based on the color of the star

• Absolute brightness measures the brightness of the star from objects in space, such as telescopes that orbit the earth, while apparent magnitude measures the brightness of the star as we see them from Earth.

• Absolute brightness measures the brightness of the star from objects in space, such as telescopes that orbit the earth, while the apparent magnitude measures the brightness of the star based on the color of the star.

Tags

NGSS.HS-PS4-3

In the electromagnetic spectrum, which of the following is true of waves with long wavelengths?

• They have high frequencies.

• They have low frequencies.

• They have moderate frequencies.

• They have inconsistent frequencies.

Tags

NGSS.HS-PS4-1