Science Explainer: All about Earth's core
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Last updated 9 months ago
3 questions
Note from the author:
Read the passage All about Earth's core. Then answer the questions below.
Read the passage All about Earth's core. Then answer the questions below.
Required
1
Drag each answer choice into the correct space. Not all answer choices will be used.
Earth’s ___________________ helps life on the planet to survive. Without it, ________________ would strip the Earth of its ________________.
Other Answer Choices:
solar winds
magnetic field
seismic waves
ozone layer
ultraviolet radiation
Required
2
Drag each statement into the correct box to indicate whether it describes a characteristic of the Earth's outer or inner core.
Drag each statement into the correct box to indicate whether it describes a characteristic of the Earth's outer or inner core.
- is mostly made from very hot solid iron at very high pressures
- pushes into the mantle around subduction zones
- creates the Earth's magnetic field from its moving liquid metal
- grows at a rate of about one millimeter per year
- contains dissolved elements such as gold, platinum, and cobalt
- Outer core
- Inner core
Required
1
Which factors do geoscientists use to help them learn about the Earth's core? Select three correct answers.
Which factors do geoscientists use to help them learn about the Earth's core? Select three correct answers.