Science Explainer: All about Earth's core

By Formative Staff

Last updated 4 months ago

3 Questions

Note from the author:

Read the passage All about Earth's core. Then answer the questions below.

Instructions

Read the passage All about Earth's core. Then answer the questions below.

Required

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 ________________.

Drag each statement into the correct box to indicate whether it describes a characteristic of the Earth's outer or inner core.

contains dissolved elements such as gold, platinum, and cobalt
grows at a rate of about one millimeter per year
creates the Earth's magnetic field from its moving liquid metal
pushes into the mantle around subduction zones
is mostly made from very hot solid iron at very high pressures

Outer core
Inner core

Required

Science Explainer: All about Earth's core

Drag each statement into the correct box to indicate whether it describes a characteristic of the Earth's outer or inner core.

Which factors do geoscientists use to help them learn about the Earth's core? Select three correct answers.