Which of the following is true?

• The sun is not a star

• The sun is not on the main sequence.

• The sun is made of helium and hydrogen

• The sun has a solid surface

Why does the sun appear to be the largest star in the sky?

• It is far away
• It is very big
• It is the closest star to earth
• It is a planet

Tags

NGSS.MS-ESS1-1

Main sequence stars are mainly made up of which gases?

• Carbon and Oxygen

• Helium and Hydrogen

• Helium and Oxygen

• Carbon and Hydrogen

A star starts as a huge cloud of gas and dust called a nebula

• true

• false

In the diagram given, what happens as we move to the left?

• Stars get brighter

• Stars get cooler

• Stars get hotter

• Stars get dimmer

Tags

NGSS.HS-ESS1-3

Which of these colors of stars are hottest?

• Red

• Yellow

• Orange

• Blue

Which color of star has the lowest temperature?

• Yellow Star

• Red Star

• Orange Star

• Blue Star

In which category is our Sun classified?

• White Dwarfs

• Supergiants

• Main Sequence

• Giants

Tags

NGSS.HS-ESS1-1

To which category do 90% of all stars belong?

• Main Sequence

• Supergiants

• Giants

As a whole, red giants are considered hotter than white dwarfs.

• True

• False

Tags

NGSS.HS-ESS1-3