Grade 6 Chapter 7.1

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1.
1 point
What is the Earth made of?
2.
1 point
substance made of two or more elements
3.
1 point
thinner, outer layer of Earth
4.
1 point
layer between the crust and the core
5.
1 point
layer made of the heaviest elements
6.
1 point
number of Earth's physical layers
7.
1 point
layer of the Earth made of crust and upper mantle
8.
1 point
part of the mantle make of solid rock that flows slowly
9.
1 point
strong, lower part of the mantle
10.
1 point
liquid layer under the mantle
11.
1 point
solid center of the Earth
12.
1 point
What are large pieces of lithosphere that move on top of the asthenosphere called?
13.
1 point
How do tectonic plates fit together?
14.
1 point
Which of the following is the thickest part of the South American plate?
15.
1 point
How are tectonic plates like ice cubes in a bowl of punch?
16.
1 point
What causes seismic waves?
17.
1 point
What can scientists find out about the Earth with a seismograph?