Unit 3 Review

Which point on the chart best represents the approximate size of the Moon?

• X

• W

• Y

• Z

Tags

NGSS.MS-ESS1-3

One of the ways that scientists determine the distance between Earth and other objects in space is to send light waves toward an object and measure how long it takes for the waves to bounce back. If a scientist sent light waves to four different objects in space, which of the following would take the shortest amount of time to reflect the light wave back to Earth due to their distance from Earth?

• A star in the Milky Way Galaxy

• A star in the Andromeda Galaxy

• A planet in Earth's Solar System

• A planet in another star system within the Milky Way Galaxy

Tags

NGSS.MS-ESS1-3

NGSS.MS-PS4-2

Sirius is one of the brightest stars visible from Earth and is located approximately 8.6 light years away. How long does it take light from Sirius to reach Earth?

• 4.3 years

• 8.6 years

• 86 years

• 8600 years

The Andromeda Galaxy was previously called the Great Andromeda Nebula because astronomers thought this patch of light was composed of glowing gases. In the 1900s, scientists determined the nebula was actually a spiral galaxy. Which of the following describes the relationship between this galaxy and other astronomical bodies?

• This galaxy is the largest star and is found in the universe.

• This galaxy is surrounded by thousands of stars in the universe.

• This galaxy includes a universe that is composed of millions of stars.

• This galaxy is one of billions of galaxies in the universe and contains billions of stars.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which object is closest to Earth?

• Barnard's Star

• Planet Neptune

• Triangulum Galaxy

• Andromeda Galaxy

Tags

NGSS.MS-ESS1-3

In 2004 the Hubble Space Telescope captured images of distant star clusters, each containing about a million stars. These star clusters were most likely part of which structure?

• galaxy

• nebula

• Solar system

• Asteroid belt

Tags

NGSS.MS-ESS1-2

Which of the astronomical bodies below are composed of a single star, moons, planets, comets, asteroids, and meteors?

• Galaxy

• Nebula

• Universe

• Solar System

Tags

NGSS.MS-ESS1-3

Susan is making a model to represent a universe, galaxy, and a star. She places a bowl inside a shoebox. She places a ball inside the bowl. What do the shoebox, bowl, and ball represent?

• The shoebox represents a universe, the bowl represents a star, and the ball represents a galaxy.

• The shoebox represents a universe, the bowl represents a galaxy, and the ball represents a star.

• The shoebox represents a galaxy, the bowl represents a universe, and the ball represents a star.

• The shoebox represents a star, the bowl represents a galaxy, and the ball represents a universe.

Peach is trying to help her brother Luigi with his science homework about the Universe. Which description below best explains what the Universe is?

• The Universe is a black hole made of dark matter.

• The Universe is a giant cloud of dust and gas in space.

• The Universe contains the Milky Way galaxy which contains most of the stars in space.

• The Universe contains many billions of galaxies and each galaxy contains many billions of stars.

The distance that light travels in one year.

• Light Year

• Parsec

• Astronomical Unit

• Speed of Light