Stars Quiz Review

What is a star?

• A planet like Earth

• A moon orbiting a planet

• A cold, solid object in space

• A scorching ball of gas that glows

Why does the Sun light up our planet?

• Because it is made of fire

• Because it is the only star in our galaxy

• Because it is very close to us

• Because it is the largest star

What is luminosity?

• The color of a star

• A measure of how bright an object looks

• The temperature of a star

• The distance of a star from Earth

Tags

NGSS.HS-ESS1-1

What affects a star's luminosity?

• Its distance and size

• Its color

• The number of planets orbiting it

• Its temperature only

What is apparent magnitude?

• The brightness of a star as seen from Earth

• The actual size of a star

• The distance of a star from Earth

• The number of stars in the galaxy

Why do stars in the night sky look like tiny specks of light?

• Because they are very small

• Because they are not as hot as the Sun

• Because they are very far away from us

• Because they are not real stars

How far is the Sun from us?

• 150,000 kilometers

• 150,000,000 kilometers

• 150 kilometers

• 150,000,000,000 kilometers

Tags

NGSS.MS-ESS1-3

Can a star have greater magnitude than the Sun but still not light up our planet?

• Yes, if it is too far away

• No, all stars light up our planet

• Yes, if it is smaller than the Sun

• No, only the Sun can light up our planet

What does a larger star's increased surface area do?

• Makes it invisible from Earth

• Turns it into a planet

• Makes it colder

• Gives off more energy and light

Why should we not always believe what we see from the surface when thinking of the Sun and stars?

• Because stars do not actually exist

• Because some stars are planets

• Because things go much deeper and larger than that

• Because the Sun is not a real star