When nuclear fusion occurs, what is used up and what is produced?

helium is used up, lithium is produced, hydrogen is used up, helium is produced

How are planets formed?

gravity around a young star pulls dust and gas together, protostellar disk spins, leftover stardust coalesces

Select the best labels for the axes of this graph.

x-axis: time, in billion years, y-axis: % of each element

Which Big Bang claim is supported by the ratio of H:He in the universe?

The universe is 13.7 billion years old.

What is the difference between a hypothesis and a theory?

A theory is based on lots of data.

Where are planets formed?

in the disk of dust and gas around a protostar

Which Big Bang claim is supported by the presence of the CMB in the universe?

Temperatures are changing from hot to cold.

What does the red line represent?

Amount of helium in the universe

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Earth Science U:2 Planets & big bang

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NGSS ESS Space Science Earth Sci

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Questions 17

Answers

1
What does CMB stand for?
Cash Management Bill
Cosmic Microwave Background
Cosmic Macrowave Background
China Merchants Bank
2
Which of the following has the most gravity?
Mercury
Jupiter
Neptune
Earth
3
When nuclear fusion occurs, what is used up and what is produced?
lithium is used up, hydrogen is produced
helium is used up, lithium is produced
helium is used up, hydrogen is produced
hydrogen is used up, helium is produced
4
How are planets formed?
they have always existed
gravity around a young star pulls dust and gas together
protostellar disk spins
leftover stardust coalesces
5
Select the best labels for the axes of this graph.
x-axis: age of universe, y-axis: amount of helium
x-axis: time, in billion years, y-axis: % of each element
x-axis: age of the universe, y-axis: amount of hydrogen
x-axis: % of each element, y-axis: time, in billion years
6
Which of the following statements is not a major claim of the Big Bang Theory?
The universe will have an end.
The universe is cooling.
The universe is expanding.
The universe had a beginning.
7
What force pulls particles together in a nebula?
nuclear fusion
the force
friction
gravity
8
Which of the following has the most gravity?
taco
earth
sun
moon
9
Which Big Bang claim is supported by the ratio of H:He in the universe?
The universe is expanding.
The universe is 13.7 billion years old.
The singularity of the big bang was a quantum fluctuation.
Temperatures are changing from hot to cold.
10
Which of the following statements is not a major claim of the Big Bang Theory?
The universe is expanding.
The universe had a beginning.
The universe is cooling.
The universe will have an end.
11
What is the difference between a hypothesis and a theory?
Theories are true. Hypothesis are false.
A theory is based on lots of data.
Not everyone accepts theories, but they do accept hypotheses
A theory is a guess. A hypothesis is an assumption.
12
Which of the following has gravity?
taco
earth
moon
sun
13
Where are planets formed?
in the cloud of dust and gas after a super nova explodes
in the disk of dust and gas around a protostar
in empty parts of space, wherever there is room
they have always existed
14
Which Big Bang claim is supported by the presence of the CMB in the universe?
The singularity of the big bang was a quantum fluctuation.
The universe is 13.8 billion years old.
The universe is expanding.
Temperatures are changing from hot to cold.
15
What does the red line represent?
Amount of hydrogen in the universe
Time
Amount of helium in the universe
Age of the universe
16
Why does the sun have more gravity than the Earth, moon or a taco?
because it is hottest
because it is closest
because it is biggest
because it is tastiest
17
Which Big Bang claim is supported by redshift?
The universe is 13.8 billion years old.
The singularity of the big bang was a quantum fluctuation.
The universe is expanding.
Temperatures are changing from hot to cold.

Earth Science U:2 Planets & big bang Flashcards | StudBud