ARCHIVED: 7-10 PLANETS VOCABULARY-1

Scientists are developing _____ intelligence to assist with space exploration.

• biggest

• artificial

• beautiful

• big

A massive _____ was observed heading toward Earth’s orbit.

• biggest

• artificial

• big

• asteroid

The _____ trained for years to prepare for their first mission to Mars.

• artificial

• discover

• astronauts

• asteroid

The thin _____ of Mars makes it unsuitable for human survival.

• artificial

• atmosphere

• asteroid

• astronauts

Their _____ to reach the moon succeeded after several attempts.

• astronauts

• asteroid

• attempt

• atmosphere

The _____ distance between Earth and the sun is called an astronomical unit.

• atmosphere

• average

• astronauts

• attempt

The _____ conditions on Venus make it inhospitable for life.

• atmosphere

• bad

• average

• attempt

Earth is a _____ planet compared to the rocky, barren surfaces of others.

• average

• beautiful

• bad

• attempt

Jupiter is so _____ it can hold over 1,300 Earths inside it.

• average

• bad

• big

• beautiful

Olympus Mons is the _____ volcano in our solar system.

• bad

• biggest

• beautiful

• big