SC.8.E.5.3

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

• W

• X

• Y

• Z

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

Which statement is true regarding measuring distances in space?

• An astronomical unit (AU) is larger than a light year.

• The time taken for light to travel through our Solar System is longer than that for light to travel through the Milky Way.

• The Earth is one astronomical unit (AU) from the Sun.

• All of the terrestrial planets are more than one astronomical unit (AU) from the Sun.

Tags

NGSS.MS-ESS1-3

The Sun's energy and composition is provided by which of the following?

• The burning of fossil fuels within the Sun.

• Solar power that produces electricity in the Sun.

• The Sun's magnetic field.

• The fusion of hydrogen into helium.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Our solar system consists of eight planets. Each planet is classified as either a terrestrial planet or a gas giant planet. Which is a difference between these two types of planets?

• Terrestrial planets are larger than gas giant planets.

• Gas giant planets are denser than terrestrial planets.

• Terrestrial planets have thinner atmospheres than gas giant planets.

• Gas giant planets have rocker crusts than terrestrial planets.

Natasha examined a table that lists the characteristics of four stars.

Which star would appear the dimmest from Earth's surface?

• Star A

• Star B

• Star C

• Star D

Which of the following conclusion can be drawn based on the graph.

• Absolute magnitude is not related to the color of a star.

• Blue stars are farther from Earth than red stars.

• Blue stars are generally more luminous than red stars.

• A blue star will appear brighter from Earth's surface than a red star.

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.

• A yellow star has a relatively low temperature.

Tags

NGSS.HS-ESS1-3

A scientist examines a star system that is made up of two pairs of stars. What type of system is the scientist examining?

• Single

• Binary

• Triple

• Quadruple

Which of these processes is defined as the joining of two atomic nuclei to create a new nucleus?

• Nuclear fission

• Nuclear fusion

• Particle radiation

• Nuclear radiation

Tags

NGSS.HS-PS1-8

The sun is much larger than the moon. However, as viewed from Earth, the sun and moon appear to be the same size. Why do the sun and moon appear to be the same size when viewed from Earth?

• The moon is much hotter than the sun.

• The moon is much denser than the sun.

• The moon is much brighter than the sun.

• The moon is much closer to Earth than the sun.

Tags

NGSS.MS-ESS1-1