
Exploring Life Beyond Earth

Interactive Video
•
Biology, Science, Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What significant role did cyanobacteria play in Earth's history?
They created the first land plants.
They were responsible for the extinction of dinosaurs.
They were the first multicellular organisms.
They discovered photosynthesis, leading to oxygen production.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do scientists use spectrographs in the search for extraterrestrial life?
To capture images of alien civilizations.
To communicate with intelligent life forms.
To identify missing colors in a spectrum indicating specific gases.
To measure the distance of stars.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are biosignature gases, and why are they important?
Gases that cause global warming.
Gases that are only found on Earth.
Gases that suggest the presence of life.
Gases that indicate volcanic activity.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is Earth referred to as a 'pale blue dot'?
Due to its small size compared to other planets.
Because it is mostly covered in water.
Due to its appearance from a great distance in space.
Because it is the only planet with life.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What challenge do scientists face when identifying life-produced gases from afar?
The gases are only present during certain seasons.
The gases are absorbed by Earth's atmosphere.
Many gases can be produced by non-biological processes.
The gases are too faint to detect.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the Voyager 1 image of Earth?
It reveals Earth's detailed surface features.
It shows Earth as a large, vibrant planet.
It highlights Earth's isolation in the vast universe.
It captures the first image of an alien spacecraft.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Starshot initiative aiming to achieve?
To build a space station on the Moon.
To colonize Mars.
To develop faster-than-light travel.
To send tiny spacecraft to the nearest star system.
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