Properties of Stars after Edgenuity

What is the main element that stars are made of?

• helium

• hydrogen

• magnesium

• sodium

Tags

NGSS.HS-ESS1-1

What happens first when a star begins to run out of fuel?

• The star’s core shrinks.

• The star becomes a black hole.

• The star becomes a white dwarf.

• The star’s outer layer drifts away.

Tags

NGSS.HS-ESS1-1

What causes a star to shine brightly?

• the color that is produced

• the energy that is released 

• the amount of gravity that is present

• the types of elements that are present

Tags

NGSS.HS-ESS1-1

Which color are the hottest stars?

• blue

• orange

• red

• yellow

Which property of a star is closely related to its temperature?

• brightness

• color

• composition

• size

Tags

NGSS.HS-ESS1-1

How do spectrographs help astronomers classify stars?

• They determine the size of stars.

• They evaluate the color of stars.

• They measure the brightness of stars.

• They analyze the composition of stars.

Tags

NGSS.HS-ESS1-2

How is the Sun classified?

• as a giant star

• as a medium star

• as a white dwarf

• as a neutron star

Which event takes place first in the stages before the birth of a star?

• Gravity pulls gas and dust together.

• A protostar forms as mass increases.

• Nuclear fusion begins under high pressure.

• A protostar collapses and becomes denser.

Some objects in space are created from clouds of gas and dust.

What will happen if the cloud does not have enough mass?

• A core will form

• A star will NOT form.

• A protostar will form.

• A nebula wiil NOT form.

In comparison to other stars in the sky, the Sun appears brighter because it is–

• Bigger

• Smaller

• Nearer

• Further

Tags

NGSS.5-ESS1-1