continental drift

Multiple Choice

Most geologists rejected Wegener's idea of Continental Drift because _________.

• He used too many pieces of evidence to support the idea.

• He wanted to know what Earth looked like millions of years ago, which is impossible.

• He couldn't identify what would cause continents to move around.

• They were afraid of the new idea.

Multiple Choice

What technology was used during WWII to detect enemy submarines and produce the first map of the seafloor?

• Sonar (Sound Waves)

• Radar

• GPS

Multiple Choice

Undersea mountain range.

• Rift

• Mid-ocean ridge

• seafloor spreading

• Continental drift

Open Ended

What is mid-ocean ridges?

Open Ended

What is ocean trenches?

Multiple Choice

Process by which new ocean crust forms.

answer choices

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Multiple Choice

This image shows all the .... of the Earth.

• Mantles

• Tectonic Plates

• Atmospheres

• Volcanoes