The Sun and stars

About how old is the sun?

• 4600 years old

• 4.6 million years old

• 4.6 billion years old

• 460 years old

What is the sun?

• a star

• a planet

• a moon

• a galaxy

The Sun is an average size star. What does average mean?

• the biggest

• the smallest

• medium sized

• huge

Answer explanation

Average means it is in the middle. It is not the biggest or smallest.

What is the temperature of the Sun's surface?

• 58℃

• 580℃

• 5800℃

• 5.8℃

What are the 2 main gases that make up the sun?

• hydrogen

• helium

• oxygen

• nitrogen

What are stars?

• shiny rocks

• planets

• balls of burning gas

• moons

Stars are different colours. Which is the hottest star?

• blue

• red

• yellow

• white

What colour of star is our Sun?

• blue

• red

• yellow

• white

People draw imaginary lines between stars to make shapes like animals. What are they called?

• star groups

• galaxies

• constellations

• planets

Planet Earth is part of the Solar System. What does the word solar mean?

• planet

• universe

• orbit

• related to the sun