Unit 10 - Planets

Scientists found the ................ of water on Mars.

• evidence

• surface

• diameter

• module

Astronauts stayed in a ........................... for three weeks in space.

• meteor shower

• tail

• space shuttle

• mission

If you go into a .......................... in space, nobody can rescue you.

• mass

• black hole

• layer

• rock

NASA sent Apollo 13 to space to ......................... the Fra Mauro formation.

• expertise

• experiment

• explode

• explore

The Sun is our star and all objects in our solar system .............. the Sun.

• wonder

• orbit

• discover

• collect

The Moon is the largest satellite of an inner planet. Its .............. is rocky.

• diameter

• atmosphere

• surface

• sky

The are eight planets in our ..........................

• galaxy

• Milky Way

• solar system

• journey

Our solar system is one of the systems in the ....................

• mankind

• spacewalk

• satellite

• universe

Mars is called "The Red Planet" because its ...... is red

• ring

• soil

• gravity

• path

.................... is different from the other planets because there is life on it.

• The Earth

• Mars

• The Moon

• The Sun