Unit 2 Test Study Guide

Which of the following layers is solid?

• Outer core

• Mantle

• Crust

• Both b and c

What generates the heat that maintains the plasticity of the asthenosphere?

• Solar radiation

• Radioactive decay inside Earth's core

• Gravitational forces

• Ocean currents

Tags

NGSS.MS-PS1-4

Which of the following statements about Earth's layers is true?

• The inner core is liquid

• The outer core is solid

• The mantle is mainly composed of silicon

• The crust is mainly composed of iron and nickel

What is a characteristic of a transform boundary?

• Formation of new oceanic crust

• Subduction

• Lateral or Slipping

• Mountain Building

Which stage of atoll formation involves the island being sunken below a circular reef?

• Volcanic Island Forms

• Fringing Reef Forms

• Barrier Reef Forms

• Atoll Forms

Which of the following is true about active margins?

• They are near edges of diverging tectonic plates

• They have very little volcanic activity

• They are associated with wide continental shelves

• They often have earthquakes.

Tags

NGSS.MS-ESS3-2

Which island is the youngest island in the diagram?

• Kauai

• Oahu

• Molokai

• Hawaii

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

What is the age range of Oahu as given in the diagram?

• 0.1-1.0 million years

• 1.3-1.8 million years

• 2.2-3.3 million years

• 3.8-5.6 million years

Tags

NGSS.MS-ESS2-3

What is the role of vent bacteria in hydrothermal vents?

• They produce light

• They are primary producers

• They decompose organic matter

• They are predators

Tags

NGSS.MS-LS2-3

What type of waves are P-waves?

• Transform waves

• Compression waves

• Surface waves

• Shear waves