Benchmark Unit 8 Week 1 / 4th

The tectonic plates hit with force when moving toward each other, causing an earthquake.

• annihilated

• collide

• destruction

• calamity

The coastal town was completely destroyed by the huge tsunami.

• annihilated

• calamity

• vibrations

• distinguished

 It is difficult to recognize the difference between a 3.0 and a 4.0 magnitude earthquake.

• collide

• calamity

• distinguish

• din

The loud, unpleasant sound of crashing dishes, breaking glass, and falling objects was heard while the earthquake was occurring.

• collide

• din

• annihilated

• calamity

The 1906 San Francisco Earthquake was a disaster which caused great damage and distress.

• calamity

• collide

• entirety

• vibrations

 The fault lines were making a rapid back and forth movement, causing the floor under our feet to rumble and shake.

• annihilated

• din

• distinguished

• vibrations

The unfortunate car accident caused so much damage to the man’s vehicle that it could no longer be repaired.

• destruction

• entirety

• distinguished

• vibrations

No one could understand the whole of the deadly fires in Australia, and to its wildlife.

• vibrations

• annihilation

• entirety

• distinguish

What kind of prefixes are de-, un-, in-, im-, and dis- ?

• positive

• negative

• neutral

• again

Which of these root sentences is written correctly?

• a geode is a rock with crystals inside that comes from the earth.

• A geode is a rock with crystals inside that comes from the earth.

• A geode is a rock with crystals inside that comes from the earth.

• A geode is a rock with crystals inside that comes from the ground.