Put the following words under the correct heading. Consult the dictionary if necessary:
circulate
planet
challenge
support
synergy
exploration
travel
explode
participate
space
moon
rocketry
weapon
telescope
assimilate
project
engine
liquid
colleague
expedition
target
modify
orbit
surface
concept
design
provide
application
launch
signal
envisage
effort
crew
elaborate
head
noun
both
verb
Match the halves of the words as in the text to make compound words. HELP
near-
every
business
sales
sky
space
pay
half-
man
large-
space
orbit-to-
war
war
man
ground
ship
time
scale
term
fare
craft
kind
day
jokingly
man
rocket
load