Coastline Characteristics Quiz

What is a concordant coastline?

• Alternating rock layers parallel to the coast

• Rock layers perpendicular to the coast

• A straight coast

• Rocky coastline

What characterizes a discordant coastline?

• Rock layers are parallel to the coast

• Rock layers are perpendicular to the coast

• Coastline has only soft rock

• Coastline has no bays

Which type of coastline is more likely to form bays and headlands?

• Concordant

• Discordant

• Both

• Neither

Which type of rock is more resistant to erosion?

• Hard rock

• Soft rock

• Igneous rock only

• Only sedimentary rock

What kind of rock is limestone considered?

• Hard rock

• Soft rock

• Both

• Neither

Which of the following is an example of a soft rock?

• Granite

• Chalk

• Basalt

• Slate

What happens to soft rock when exposed to strong wave action?

• It erodes quickly

• It hardens

• It breaks into larger pieces

• It changes color

In a concordant coastline, where is the soft rock layer often found?

• Outer edge

• Inner edge

• Deep underwater

• Does not occur

Why do discordant coastlines have alternating bays and headlands?

• Because of differing rock resistances

• Because of tides

• Because of consistent erosion

• Due to same rock types

True or False: Concordant coastlines usually show a smooth and continuous coastal appearance.

• True

• False