The outside, the top of something
Surface
Unusual, weird
Odd
To turn around
Spin
A gas that people and animals breathe out
Carbon dioxide
Like something else
Similar
The air around the Earth that we breathe
Atmosphere
Empty spaces or holes
Hollows
Very interesting and exciting
Fascinating
A strong shiny material, like iron or gold
Metal
The best or most important
Ultimate
A vehicle that travels in space
Spacecraft
Or person or thing that carries a message
Messenger
Something that lasts forever
Permanently
Staying alive
Survival
One of a kind, special
Unique
A process where gases in Earth’s atmosphere trap heat
Greenhouse effect