A giant rock that orbits the sun
asteroid
What tool did astronaut Sunita Williams use to help repair the space station?
Toothbrush
68% of the universe is
dark energy
A place where survival is very difficult. (____________environment)
hostile environment
A strong leader usually:
gives up
takes the lead
Do you think humans will live on other planets?
Your own answer
A _____________ car is a car that is powered by a rocket
rocket-powered
Do you think we will be able to go to Mars? Why?
Your own answer
What is the percentage of the dark matter in the universe?
67%
27%
89%
A ____________ event is something that doesn’t last long
short-lived
A state of weightlessness
zero gravity
_______________ scientists are scientists who are respected a lot.
Highly-respected
The company didn’t lose its nerve means:
They gave up
They stayed calm
When was the Apollo 11 mission?
1969
Would you like to travel in space? Why?
Your own answer
A planet orbiting a star that is not our sun
exoplanet
The crew knew how to:
handle a difficult situation
abandon a plan
Who describe radio signals bouncing off satellites in a science fiction book?
Arthur C. Clarke
A substance in space that doesn’t give off light
dark matter
A place where gravity is so strong even light can’t escape
black hole
Radiation that comes from space
cosmic radiation
_____________ means travel over great distances.
Long-distance travel
A place that is last to be explored
final frontier
Species that can live on different planets.________________species
interplanetary species