The Sun

Which things make it hard for scientists to know a star's true brightness? (Check all that are true).

• fog in outer space

• heat

• distance from Earth

• texture

Deneb is a very bright star. Which of these things is true because Deneb is so bright?

• we can see it during the day

• it will have a short life for a star

• it has to borrow energy from other stars

• it makes shadows on the Moon

Which star is the brightest when seen from Earth?

• Sirius

• Vega

• Deneb

• the sun

Stars give us ______ and ______.

• heat and light

• energy and money

• energy and oxygen

• hydrogen and helium

Stars are made of _______.

• nuclear fusion

• gases

• concrete

• iron

The measure of how much energy a star gives off is called its ______.

• apparent brightness

• wattage

• luminosity

• shine

Tags

NGSS.HS-ESS1-1

How bright a star looks MOSTLY depends on how big it is.

• True

• False

How bright a star APPEARS from Earth is called its

• lightness

• shine

• apparent brightness

• nuclear power

How long does it take light to travel from the Sun to Earth?

• 8 miles

• 8 minutes

• 100,000 years

• no time at all

Where is energy create in the Sun?

• The surface

• The engine

• The stomach

• The core

Tags

NGSS.HS-ESS1-1