Vocabulary for IELTS U10 Reaching for the skies (Cambridge)

People must train in a _______ before they can go on a real space mission.

• simulator
• rocket
• explorer
• universe

Governments should monitor the amount of _______ that is left behind by spacecraft and rockets.

• debris
• exploration
• satellite
• surface

It is difficult to walk on the _______ of some planets because of their low or high gravity.

• surface
• atmosphere
• galaxy
• orbit

There are many challenges and risks for _______ who travel to the space station or beyond.

• astronauts
• asteroids
• planets
• simulators

Spacecraft must reach a certain speed to _______ the Earth and enter outer space.

• orbit
• launch
• asteroid
• solar system

Governments should support the _______ of outer space for scientific and peaceful purposes.

• exploration
• radiation
• horizon
• planet

There are billions of stars and galaxies in the _______.

• universe
• solar system
• atmosphere
• orbit

Spacecraft and satellites can experience _______ when they are far from any gravitational force.

• weightlessness
• launch
• asteroid
• surface

It is possible to see other _______ in the night sky with a telescope.

• planets
• debris
• astronauts
• surfaces

An _______ is a small rocky object that orbits the sun, sometimes colliding with other objects or planets.

• asteroid
• satellite
• explorer
• galaxy