G5.Unit 4

The mixture of gases around the Earth

• rocket

• planet

• atmosphere

• comet

One of the independent groups of stars in the universe

• galaxy

• orbit

• solar system

• spacecraft

An extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star

• search

• astronaut

• space station

• planet

A vehicle in which people can travel round the Earth, outside its atmosphere, doing scientific tests

• communicate

• universe

• comet

• spacecraft

The whole of space and everything in it, including the Earth, the planets and the stars

• data

• universe

• journey

• extraterrestrials

A collection of information

• data

• debate

• galaxy

• universe

The place above and around our planet where there is no air to breathe or light

• data

• space

• planet

• orbit

To look somewhere carefully in order to find something

• data

• orbit

• search

• debate

To share information with others by speaking, writing, moving your body, or using other signals

• communicate

• orbit

• debate

• journey

A large-shaped object that moves very fast by forcing out burning gases, used for space travel

• spacecraft

• rocket

• space station

• astronaut