Fun for flyers Unit-13 Space 1

The sun is very ----------- and ---------.

The sun gives light and ---------- to the planets.

• hot

• heat

• high

The sun is the --------- of the solar system.

• planet

• big heat

• center

The moon is a dusty -------------.

• ball of rock

• planet

• ball

The moon shine ---------- in the night sky.

• brightly

• bright

• light

The moon reflects ------------ from the sun.

• heat

• bright

• light

The surface of the moon is --------- to mountains and flat plains.

• home

• house

• land

---------- is the first planet in our solar system.

• Mars

• Venus

• Mercury

Mercury is the closest planet to the ----------.

• Venus

• sun

• Earth

Mercury is the --------- planet.

• biggest

• smallest

• small