Quizizz due February 21st, 2020 at 11pm

What is a fossil that is useful for dating and correlating the strata in which it is found?

• a petrified fossil
• a trace fossil
• a cast fossil
• an index fossil

What can we learn from fossils?

• How earthquakes formed.
• How erosion changed mountains
• How Earth's magnetic field was formed
• How Earth's environment has changed

Relative dating of rock layers tells us that the deeper we dig, _______.

• the younger the rocks get
• the smellier the rocks get
• the harder the rocks get
• the older the rocks get

The outside layer of the earth is called ______________________.

• core
• crust
• mantle
• outer core

The huge pieces of the earth's crust are called ____________________________. 

• crust
• plates
• directions
• seismos

The Richter scale measures:

• the amount of radon gas released
• the movement of plates
• the strength of an earthquake
• the weight of tectonic plates

Which BEST describes the rock cycle?

• New rocks form from older rocks.
• Lunar rocks change into terrestrial rocks.
• Rocks in the ocean become rocks on land.
• Layers of rock are broken by faults.

How are sedimentary rocks, such as shale and sandstone, formed?

• Particles are changed into liquids.
• Particles are compressed into layers.
• Particles are melted together by magma.
• Particles are heated by the Sun.

All rocks contain at least one mineral.

• True
• False

Can rocks contain fossils?

• yes

• no