Brightness of the Sun and other stars-A3

A huge ball of very hot matter that gives off energy.

• sun

• star

• planet

• moon

Stars shine because processes in the stars produce huge amounts of _________________.

• fire

• Emma

• energy

• power

Without the Sun, Earth would be very ____________.

• large

• small

• hot

• cold

A __________ year is the distance light travels in one year.

• light

• sound

• star

• Addy

What are some differences between the sun and the stars you see in the night sky?

• The sun is the biggest star in the universe.

• The sun is closer to Earth than all other stars in the night sky.

• The sun appears larger and brighter than the other stars.

• Stars twinkle more than the sun.

What are two factors that affect how bright a star appears in the night sky?

• Temperature and Distance

• Temperature and Color

• Color and Distance

• Age and Temperature

Why does the sun appear so much larger and brighter than other stars?

• it's larger

• it's more powerful

• it's closer

• it's further away

The main elements in stars are

• carbon and nitrogen

• oxygen and nitrogen

• helium and hydrogen

• calcium and iron

Which color would an extremely hot star be?

• orange

• yellow

• red

• blue

Compared to other stars, the temperature of the sun is

• cool.

• medium-hot.

• hot.

• extremely hot.