

Origin of Life
Interactive Video
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Nick Sutherland
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was Lord Kelvin's estimation of Earth's age inaccurate?
He didn't account for the Earth's internal radioactive heating.
He didn't consider the effect of convection currents within the Earth.
He assumed the Earth started as a molten rock.
Both A and B.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How was the current accepted age of the Earth primarily determined?
By analyzing the cooling rate of molten rock.
By studying the fossil record in sedimentary rocks.
By dating meteorites using lead-lead dating.
By observing the rate of continental drift.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What significant event occurred approximately 3.5 billion years ago, leading to a major change in Earth's atmosphere?
The first appearance of multicellular life.
The beginning of photosynthesis.
The Cambrian explosion.
The formation of the Moon.
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Are you enjoying the video lesson?
Yes
No
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What significant organic molecules were produced in the Miller-Urey experiment?
Carbohydrates
Lipids
Amino acids
Nucleic acids
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a fundamental characteristic shared by all known life forms on Earth?
The ability to perform photosynthesis.
A multicellular body plan.
The use of DNA as genetic material.
The presence of a cell wall.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As humans, what have we stepped outside of evolution to add?
culture
history
fame
big bang
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