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Blue, green, orange, silver, and brown are words that can describe what property of a mineral?

• cleavage

• streak

• luster

• color

Rocks are described using their characteristics or ____________________.

• luster

• properties

• streak color

• cleavage

On the first day of school, a class of fifth-grade students are given four identical cubes of hard clay. The cubes are placed in four different conditions until the last day of school. At that time, the students make the following observations.

Sample 1: classroom cabinet → no noticeable changes

Sample 2: near a window → lighter in color

Sample 3: freezer → small cracks near corners

Sample 4: bottle of water → small amount of algae on top

Which sample shows evidence of physical weathering?

• Sample 2

• Sample 3

• Sample 1

• Sample 4

Which stars in the diagram are the coolest?

• white dwarfs

• super giants

• the stars in the upper left corner on the main sequence

• there is no way to know from the diagram

Tags

NGSS.HS-ESS1-3

Felix examined several photos of stars. To compare their temperatures, he looked at the colors of the stars. He organized the photos in order from coolest to hottest. Which of these answers shows the correct order?

• red, yellow, white, blue

• white, blue, yellow, red

• yellow, white, blue, red

• blue, yellow, white, red

The sun produces large amounts of energy. By what process does the sun produce energy?

• radiation

• convection

• nuclear fusion

• electromagnetic radiation

Tags

NGSS.HS-ESS1-1

Which of the following pairs of terms directly relates to the actual brightness of a star?

• absolute magnitude and luminosity

• apparent magnitude and luminosity

• size and luminosity

• absolute magnitude and apparent magnitude

Which one of these claims can be made based on evidence in the graph?

• Red super giants have higher temperatures than main sequence stars.

• Blue giants have higher temperatures than white dwarfs.

• Blue giants have higher temperatures than red super giants.

• Main sequence stars have higher temperatures than white dwarfs.

Scientists have determined that the sun will continue to consume hydrogen in its core for another five billion years or so. After the hydrogen is consumed, what will be its primary fuel?

• Helium

• Magnetism

• Nitrogen

• Oxygen

Tags

NGSS.HS-ESS1-1

What are the layers of the sun's atmosphere?

• Core, chromosphere, corona

• Photosphere, radiative zone, corona

• Radiative zone, chromosphere, core

• Photosphere, chromosphere, corona