8th 1.2 review

Which of the following is the correct order from smallest to largest?

• Universe → Galaxy → Solar System → Star

• Star → Solar System → Galaxy → Universe

• Galaxy → Solar System → Universe → Star

• Solar System → Star → Galaxy → Universe

Which tool allows scientists to study distant galaxies by capturing light?

• Microscope

• Telescope

• Satellite phone

• Compass

Tags

NGSS.HS-PS4-3

Why do astronomers use different parts of the electromagnetic spectrum?

• Different wavelengths provide unique information.

• Each type of wave travels at a different speed.

• They all produce identical data.

• They make stars appear closer.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Which measurement is most useful for distances between stars?

• Miles

• Astronomical Units (AU)

• Light-years

• Kilometers

Which measurement is most useful for distances inside our solar system?

• Light-years

• Astronomical Units (AU)

• Parsecs

• Kilometers

Which electromagnetic wave has the longest wavelength?

• Gamma rays

• X-rays

• Radio waves

• Ultraviolet light

Tags

NGSS.HS-PS4-1

Which star is closest to Earth (other than the Sun)?

• Sirius (8.5 ly)

• Betelgeuse (1500 ly)

• Proxima Centauri (~4.2 ly)

• Dwarf Planet 2 (49.5 AU)

Which of the following is a correct description of a galaxy?

• A cloud of gas and dust forming new stars

• A system of planets orbiting one star

• A group of billions of stars, gas, and dust bound by gravity

• A cluster of galaxies

Tags

NGSS.MS-ESS1-2

What is the universe made up of?

• A) A single giant galaxy

• B) Billions of galaxies, each with billions of stars

• C) Millions of solar systems in one galaxy

• D) Only stars and planets

Which technology is essential for gathering information from planets too far for humans to visit?

• Satellites

• Rovers

• Telescopes

• Space probes

Tags

NGSS.MS-ETS1-4