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WorksheetsOrigin of earth and atmosphere
Total questions: 12
Worksheet time: 7mins
What makes the planet Earth habitable compared to other planets?
It has soil.
It has trees
It has people
It has liquid water.
What force caused the cloud of gas and dust to collapse, forming the sun and planets?
electromagnetism
magnetism
gravity
centrifugal force
The ___ of a radioactive element is the time it takes for half of the parent atoms to decay into daughter atoms.
decay rate
half-life
absolute age
relative age
A giant cloud of dust and gas formed out solar system.
True
False
What do many astronomers think caused the formation of the Moon?
An asteroid
A comet
The sun
A volcanic eruption
How old is the moon?
100 years
5.4 billion years
4.5 billion years
10 billion years
The atmosphere on the earth started changing because
Of the presence of cyanobacteria that produced O2
The presence of volcanoes
The presence of tectonic plates made possible for the atmosphere to change
Some of the gases present in the ancient planet earth were really toxic for life
Yes
No
The earth always had continents
True
False
The ozone layer...
Avoids UV to enter to the earth
Let the heat enter to the earth so life can be sustained
Let the heat dispersed by the earth to go to the outer space
Global warming
Is caused by the accumulation of heat specially on the ocean in the tropical zone
Is caused by the microorganisms present in the ocean as they are the most common on the earth and exhale the most CO2
Is caused by the absorption and repulsion of heat waves that come from the earth and cannot go out to the outer space
Is caused by the industries present on the planet because of industrial revolution
Global warming deniers say...
Global warming has been always happening along the earth history
Global warming is an invention made by the Chinese government, so the USA not to produce as much as they do
Global warming is not happening because there is not enough data to support it
