Earth in Space

Earth in Space

6th - 8th Grade

27 Qs

quiz-placeholder

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Earth in Space

Earth in Space

Assessment

Quiz

Science

6th - 8th Grade

Hard

NGSS
MS-ESS1-1, HS-ESS1-2, HS-ESS1-3

+2

Standards-aligned

Created by

Jude Sanford

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following types of galaxies have disk-like arm structures that surround a central bulge?

lenticular

elliptical

spiral

Answer explanation

A spiral galaxy, such as the Milky Way, has a hot, spherical bulge at its center and is surrounded by a disk of spiral-like arms made mostly of gas, dust, and younger stars. Bars that span the spiral arms are present in some barred, spiral galaxies.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Of the following, which color star has the highest surface temperature?

Blue
White
Yellow
Red

Answer explanation

Blue stars have the highest surface temperatures, at over 50,000 K.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If there is a first-quarter moon tonight, how many days will pass until the next full moon?

7 days

21 days

14days

28 days

Answer explanation

A first-quarter moon occurs between a new moon and a full moon. A lunar cycle is 28 days. It takes ¼ of a lunar cycle, or 7 days, for the moon to progress from a first-quarter moon to a full moon.

Tags

NGSS.MS-ESS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following stars will go through a red giant phase after its hydrogen is gone?

only low-mass stars

stars of all sizes

only stars that will eventually form black holes

only high-mass stars

Answer explanation

Stars of all sizes go through a red giant phase. When the hydrogen is burned, but the star is not hot enough to burn helium, gravitational effects take over and the star cools and shrinks leaving a large shell of helium. The helium ignites and the star becomes a red giant.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the ______ is burned, but the star is not hot enough to burn helium, gravitational effects take over and the star cools and shrinks leaving a large shell of helium.

neon
hydrogen
oxygen
carbon

Tags

NGSS.HS-ESS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements regarding meteorites is true?

Meteorites are mainly composed of gas

Meteorites are meteors that strike the Earth

Meteorites are located at the center of the universe

Meteorites are comets that have fallen out of their orbit

Answer explanation

Not all meteors reach the Earth. Those that make it through the atmosphere and strike the Earth are called meteorites.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In 1929, Edwin Hubble measured the redshift of several galaxies and determined that galaxies farther away from Earth have a greater redshift. Which of the following best describes why this observation led to the Big Bang theory?

It implied an oscillating universe that expands and shrinks.

It implied that the early universe was very dark but an explosion made it brighter.

It implied an expanding universe that started as only a single point.

It implied that the early universe was once very hot and now glows red.

Answer explanation

A redshift indicates that a light source is moving away from an observer. Distant galaxies, with the greater redshift, must be moving away from the Earth faster than nearby stars, indicating an expanding universe. If the universe expanded throughout its existence, it would have started with a sudden expansion from a single point, which we call the Big Bang.

Tags

NGSS.HS-ESS1-2

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