STARS AND SUN

The main elements in stars are

• carbon and nitrogen

• oxygen and nitrogen

• helium and hydrogen

• calcium and iron

Tags

NGSS.HS-ESS1-3

Which color would an extremely hot star be?

• orange

• yellow

• red

• blue

A giant body of hot gases that is held together by gravity and produces its own light is

• a planet.

• a nebula.

• a star.

• a comet.

Tags

NGSS.HS-ESS1-1

The brightness of a star in the sky depends on its luminosity and

• distance.

• size.

• color.

• gases.

The temperature of a star with a red color is

• cool.

• medium-hot.

• hot.

• extremely hot.

Compared to other stars, the temperature of the sun is

• cool.

• medium-hot.

• hot.

• extremely hot.

Which star would look brightest?

• a nearby dim star

• a distant dim star

• a nearby bright star

• a distant bright star

What body makes up more than 99% of the mass of our solar system?

• the moon

• Earth

• Jupiter

• the sun

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

The color of a star depends on its

• size.

• temperature.

• shape.

• magnitude.

Which statement best describes stars?

• large planets that are composed mostly of gases

• celestial bodies made up of gas that give off light

• faint dots of light that can be seen from Earth’s surface

• objects that form in the outer parts of the solar system