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- 1. Multiple Choice
What are two main components that make up stars?
rock and gas
gas and plasma
plasma and dust
rock and dust
- 2. Multiple Choice
A star's color is based on which of the following factors?
Size
Mass
Surface Temperature
Density
- 3. Multiple ChoiceWhich of the following is NOT a characteristic used to classify stars?ColorTemperatureSizeShape
- 4. Multiple Choice
The hottest stars are which color?
orange
yellow
white
blue
- 5. Multiple Choice
Felix examined several photos of stars. To compare their temperatures, he looked at the colors of the stars. He organized the photos in order from coolest to hottest. Which of these answers shows the correct order?
red, yellow, white, blue
white, blue, yellow, red
yellow, white, blue, red
blue, yellow, white, red
- 6. Multiple Choice
Why do we say that wormholes theoretically exist?
We do not have a big enough telescope to see a wormhole
Wormholes can only exist in other galaxies
Wormholes have not been yet discovered
It is only fictional and not mathematically possible
- 7. Multiple Choice
Wormholes can transport you from not only one location to another, but also one time to another.
True
False
- 8. Multiple Choice
What is a black hole?
an empty area space with no matter or gravity
a great amount of matter packed into a small area.
a celestial body moving in an elliptical orbit around a star
an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity
- 9. Multiple Choice
How do black holes form?
Planets exploding
Extremely large stars colapsing when they die
Stars getting hit by an astroid
Tiny stars exploding due to too much heat
- 10. Multiple Choice
Which of the following methods is used to find black holes?
by sending space probes to the black holes to photograph their findings
by observing the behavior of surrounding objects like stars or nearby planets
by using microwaves and x-ray signals
By using powerful telescopes specifically designed to detect black holes
- 11. Multiple Choice
If you were sucked into a black hole, which of the following would be the safest to travel into without getting spaghettified?
supermassive black hole
steller black hole
intermediate mass black hole
white dwarf
- 12. Multiple Choice
Which of the following metaphors could a black hole be compared to?
The opening of a water well
The opening of a key hole
a whirlpool forming as water goes down a drain
An empty bucket
- 13. Multiple Choice
Why is it that scientists have not tried to send a space probe to the black hole in our Milky Way galaxy?
it would take too long for it to get there
we do not know how to find it
the space probe wouldn't be able to take pictures without getting sucked into the black hole
we already know enough about them, so it would be a wasted mission
- 14. Multiple Choice
The nearest star is 4.2 light years away. When we look at that star, at what time frame of that star's life are we seeing it?
as it is now in the present
as it was 4.2 years ago
as it will be in 4.2 years
as it was 4.2 minutes ago
- 15. Multiple Choice
Even though the chance of "aliens" to see dinosaurs on earth is theoretically possible, what is preventing them from seeing them?
they might not have the technology necessary to build their telescope
the speed of light can not travel that far
It is not possible to see into the past
the size of the telescope needed to see from 65 million light years away would be too big
- 16. Multiple Choice
What happens to an object rotating around a black hole the closer it gets to the middle?
it stops moving
it starts to rotate faster
it starts to rotate slower
it starts to rotate at a consistent speed
- 17. Multiple Choice
What is the "point of no return" or "mouth" of a black hole called?
event horizon
edge of darkness
black trap
dooms spiral
- 18. Multiple Choice
In which of the following ways is a wormhole and blackhole alike?
Scientists have evidence in nature of its existence
You can return after going through it
You will always survive going through it
It could potentially take you to a new galaxy.
- 19. Multiple Choice
What are planets called outside of our solar system?
alien planets
exoplanets
outside planets
extraplanets
- 20. Multiple Choice
Which of the following is NOT an exoplanet category?
Earth-analog
Super Earth
Venus-like
Hot Jupiter
- 21. Multiple Choice
BONUS: How long is a light year?
6 thousand miles away
6 million miles away
6 billion miles away
6 trillion miles away
- Answer choicesTagsAnswer choicesTags