PLANETS
ALIENS
SPACECRAFT
LIFE
PHYSICS
100
The closest planet to the Sun
What is Mercury?
100
So far, life has only been found on this planet.
What is Earth?
100
Rockets have these to keep them going straight
What are fins?
100
Life needs food or sunlight to provide this so it can move, grow, etc.
What is energy?
100
Asteroids get their destructive power not because they are big, but because they...
What is "travel very fast?"
(Or anything similar)
200
Called the "Red Planet" due to rust on its surface.
What is Mars?
200
Another word for a flat alien spacecraft that looks like a dish is a flying _______.
What is a saucer?
200
This is the only manned spacecraft currently in orbit.
What is the International Space Station? (Also acceptable: Space Station or ISS)
200
As far as we know, the best places to look for life have liquid _____________
What is water?
200
The force holding large objects such as planets together is called ______.
What is gravity?
300
The only planet to have liquid water on its surface
What is Earth?
300
A type of flying object that we can't identify is called a what?
What is a UFO?
300
This giant space telescope has a mirror taller than a human.
What is Hubble?
300
To be considered alive, life must _____________ so it can spread.
What is reproduce?
300
To go forward, a rocket needs to shoot exhaust out ______.
What is backwards?
400
The largest planet in our Solar System
What is Jupiter?
400
So far, this is the number of times we know of that our government has called aliens.
What is 0?
400
This space company is famous for its rockets that land again after launch.
What is SpaceX?
400
All or most life is composed of tiny living units called this.
What are cells?
400
Nuclear reactors like the one you visited use this element for fuel.
What is Uranium?
500
The furthest major planet from the Sun (Pluto doesn't count!)
What is Neptune?
500
The top-secret desert military installation rumored to house alien technology is called this.
What is Area 51?
500
A spacecraft could never escape a black hole because it would have to travel faster than this.
What is the speed of light?
500
Most large life on earth breathes by using this element.
What is oxygen?
500
The type of science studying thermonuclear reactions in space is called this.
What is thermonuclear astrophysics?