Unit 9 Review - Life in the Universe

What does the Drake equation measure?

• the amount of hip hop

• the chances of life on Mars

• the chances of life in the universe

• the chances of life in our galaxy

N = R x fp x ne x fl x fi x fc x L

• This is the Drake equation

• This is the equation to find the number of stars in a galaxy.

• This is Newton's 4th Law of motion

• This is what was used to find Uranus.

Which of the following is a good paraphrasing of the Fermi paradox?

• What comes up must come down.

• Gravity - it's not just the law, but a good idea.

• Where are they?

• If one twin is sent into space, then the twin left on Earth with age differently.

There should at least be a few civilizations in our galaxy that we can communicate with or detect.

This statement reflects

• the Fermi paradox

• the Drake equation

• the twin paradox

• the mission statement of NASA

All forms of life, as we know it, need ____ to survive.

• liquid water

• oxygen

• sunlight

• sugar

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Life on other planets (or moons) is not a possibility.

• True

• False

In 1953, two chemists made a closed system of water, ammonia, methane, and hydrogen. They then applied electrical sparks to the mixture to simulate lightning. The result was

• amino acids and other building blocks of life were formed.

• they created living bacteria.

• pure water.

• a deep everlasting friendship.

Tags

NGSS.HS-LS1-6

The Miller experiment demonstrated the feasibility of a chemical origin of life.

• True

• False

These rock-like structures are found in the fossil record up to 3.5 billion years ago. They are the remains of cyanobacteria and their waste.

• stromatolites

• socialites

• stalagmites

• microbial mats and aliens

Tags

NGSS.MS-LS1-6

NGSS.MS-LS4-1

NGSS.MS-LS4-2

SETI stands for

• Search for extraterrestrial intelligence

• searching endlessly tonight for intelligence

• Silence of middle-earth tyrannical intelligence

• SETI Institute - Wikipedia