In scientific method, what is a hypothesis?

Tentative explanation for observed phenomenon

What is nuclear fission?

When a heavy nucleus splits into two lighter nuclei and releases energy

What is nuclear fusion?

When two light nuclei fuse into a heavier nucleus and release energy

Scientific process described as:

Systematic approach to understanding the natural world

A massive explosion of a star at the end of its life cycle

What is a black hole?

A region of space where nothing can escape from gravity, not even light

Genetic manipulation involves:

Altering an organism's genetics

What does it mean that time and space are relative?

They depend on the observer's motion

What is the theory of general relativity?

A scientific theory about gravity

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ESO REPTES November 2023

35 termsStudBud Administration89 plays

General science quiz

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Questions 35

Answers

1
In scientific method, what is a hypothesis?
Well-established scientific fact
Scientific law
Tentative explanation for observed phenomenon
Final conclusion
2
What is a great ape?
A type of fish
A small rodent
A large primate
A species of tree
3
Where are heavier elements formed?
In stars
All of the above
In the Big Bang
In the core of planets
4
DNA similarity between humans, bonobos, and chimpanzees?
98.70%
20.00%
2.00%
100.00%
5
Event marking universe's beginning?
Cooling of Earth
A massive explosion
Formation of Milky Way
Formation of Earth
6
Genetic material in eukaryotic cell nucleus?
DNA
RNA
Carbohydrate
Protein
7
What characterizes bonobo society?
Hierarchy
Patriarchy
Isolation
Matriarchy
8
Basic structural unit of matter?
Atoms
Molecules
Space
Compounds
9
Behavior associated with chimpanzees?
Egalitarian
Peaceful
Passive
Violent
10
1st step in scientific method
Analysis
Hypothesis
Observation
Conclusion
11
Developer of theory of relativity?
Galileo Galilei
Stephen Hawking
Albert Einstein
Isaac Newton
12
What kind of mammal are humans?
Reptiles
Rodents
Primates
Cetaceans
13
Common goal among all species?
Dominance over others
Survival and genetic heritage
Environmental control
World domination
14
When did Homo sapiens appear?
10,000 years ago
2,000 years ago
10 million years ago
800,000 - 200,000 years ago
15
Whose theories about time dilation were confirmed by the observations?
Galileo Galilei
Isaac Newton
Stephen Hawking
Albert Einstein
16
Why do bonobos have an upright skeleton and longer legs?
Quadrupedal locomotion
For enhanced strength
Climbing trees
For bipedal walking
17
What is nuclear fission?
When a heavy nucleus splits into two lighter nuclei and releases energy
When two light nuclei fuse into a heavier nucleus and release energy
When a nucleus absorbs a neutron and emits a gamma ray
When a nucleus emits an alpha or beta particle and changes its identity
18
What is a bonobo?
A musical instrument
A type of bird
A species of great ape
A type of flowering plant
19
Ancestors of humans, chimpanzees, and bonobos?
Australopithecines
Gorillas
Neanderthals
Great Apes
20
What is a chimpanzee?
A species of great ape
A type of fruit
A type of reptile
An underwater creature
21
What is nuclear fusion?
When two light nuclei fuse into a heavier nucleus and release energy
When a heavy nucleus splits into two lighter nuclei and releases energy
When a nucleus emits a neutron and changes its identity
When a nucleus absorbs a proton and emits a positron
22
Scientific process described as:
Linear, unchanging method
Subjective opinion
Collection of random experiments
Systematic approach to understanding the natural world
23
What is a supernova?
A formation of a new star from a cloud of gas and dust
A collision of two stars that results in a burst of radiation
A massive explosion of a star at the end of its life cycle
A sudden brightening of a star due to increased nuclear activity
24
What is a black hole?
A region of space where there is no energy
A region of space where nothing can escape from gravity, not even light
A region of space where gravity is very strong, but light can still escape
A region of space where time stops, but space still exists
25
Where were hydrogen and helium formed mostly?
In the Big Bang
In the interstellar medium
In the cores of stars
In the supernova explosions
26
How old is the universe according to current scientific estimates?
14 billion years
2,000 years
40 thousand years
4 million seconds
27
What did astronomers observe regarding time in the early cosmos?
Time ticking slower
Time moving sideways
Time running backward
Time running upside down
28
The Big Bang theory explains the origin of:
The universe
Oceans and continents
Plants and animals
Volcanoes and earthquakes
29
The Big Bang theory suggests that the universe is:
Expanding
Contracting
Stationary
Rotating
30
Which ape relies on female coalitions to dominate males?
Gorillas
Chimpanzees
Bonobos
Elephants
31
Genetic manipulation involves:
Mixing genes of unrelated species
Altering an organism's genetics
Creating new species
Removing all genes
32
Molecule carrying genetic info?
Protein
Carbohydrate
DNA
RNA
33
What does it mean that time and space are relative?
They depend on the observer's motion
They are constant and unchanging
Time and space are unrelated
They are controlled by supernatural forces
34
What is the theory of general relativity?
A scientific theory about gravity
A recipe for baking
A type of poetry
A theory about electromagnetism
35
What was the universe like when it was only one billion years old?
Full of chickens
Wifi connections were not very good
Much smaller and denser
Contracting

ESO REPTES November 2023 Flashcards | StudBud