4.1: Continental Drift

Multiple Choice

What is pH?

• a primary plant notrient

• oxygen gas dissolved in water

• a measure of how acidic or basic a substance is

Multiple Choice

______ is the measure of suspended particles in the water.

• dissolved oxygen

• turbidity

• phosphate

• nitrates

Multiple Choice

Why does it matter how much salt is in the water for organisms?

• the wrong amount of salt causes organisms to become ill or die

• they don't like the way it tastes

• salt makes it easier to swim

Multiple Choice

Who is the person credited with developing the theory of continental drift?

• Harry Hess
• Galileo Galilei

• Alfred Wegener
• Sir issac

  Newton

Multiple Choice

What was Wegener’s continental drift idea?

• The continents have moved slowly apart to their current locations.

• The continents have always been located at their current locations.

• The continents are moving slowly together from their current locations.

• None of these

Multiple Choice

What is this a picture of?

• Plate Tectonics

• Continental Drift

• Pangaea

• Ocean Crust

Multiple Choice

When we observe the same reptile fossil in two places, we infer ___.

• The reptile flew to a new habitat.

• The habitats used to be near each other.

• Someone buried the fossils in a new place to trick us.

Multiple Choice

What two specific continents fit together most noticeably?

• Africa and North America
• South America and Europe
• South America and Africa
•  Antartica and Africa

Multiple Choice

This is a picture of glacier scars found in Africa.  What are these evidence for?

• Africa has always been near the equator
• Africa was once in an area of the Earth that had a very cold climate
• The continents have not moved
• sea floor spreading

Multiple Choice

Mountain ranges located on both side of the Atlantic Ocean

• are the same height and width.

• have the same rock types, structures and ages.

• have ancient fossils and coal seams.

• are just separate mountain ranges.