A __________ is a big ball of hot gas.

• moon

• star

• earth

Stars look small because they are ________________ from us.

• in the sky

• many

• far away

Stars are seen at _________________.

• day

• night

There are too ________ stars to count!

• many

• little

You can see only one star in the day. That star is a ________.

• moon

• big star

• sun.

The ______________ is the closest star to Earth.

• sun

• earth

• moon

We cannot live without ________ and ______ from the sun.

• heat, light

• sound, light

• heat, sound

The ________ can also harm living things.

• moon

• sun

• earth

Sun can harm us by giving us _________________.

• heat

• light

• sunburn

_________ pulls objects the the center of the Earth.

• Sunlight

• Gravity

• Force