Final review - part 2

What were some of the softer minerals on display in the lab?

• Biotite

• Muscovite

• Biotite and muscovite are correct

• Orthoclase feldspar

Feldspars are the most abundant mineral group on Earth and make up nearly 60% of Earth's crust.

• True

• False

The Great Unconformity at the Grand Canyon was probably mostly caused by ________________

• Earthquakes

• Glaciation

• Erosion

• None of the above

Tags

NGSS.MS-ESS2-2

According to the Mohs Scale of hardness, quartz has a hardness of ______

• 5

• 6

• 7

• 8

Quartz is harder than diamond

• True

• False

The age of the universe is _________ billion years old.

• 5.5

• 6.5

• 11.7

• 13.7

Tags

NGSS.HS-ESS1-2

Tectonic plates are thought to be buoyant on the _______________.

• mesosphere

• lithosphere

• outer core

• asthenosphere

Which of the following layers are parts of the mantle?

• asthenosphere

• lithosphere

• Both asthenosphere and lithosphere are correct

• mesosphere

• all of the answers are correct

Basalt is felsic.

• True

• False

Earth's core is likely composed of nickel and iron.

• true

• false