1. When did Pangaea break up?

A. Between 4 and 4.5 billion years ago.

B. Between 10 and 50 million years ago.

C. Between 200 and 250 million years ago

D. Between 500,000 and 800,000 years ago.

2. Which of these changes would you expect during glacial periods?

A. Sea level will drop as water is locked up in the ice sheets that cover the continents.

B. Tropical fauna and flora will migrate to higher latitudes.

C. Melting ice sheets will flood coastal areas.

D. Tropical forests will cover much of North America.

3. Continental drift is:

A. The presence of ice caps at the poles.

B. The motion of the continental plates.

C. The separation between the South American and African continents.

D. the spreading of seafloors.

4. Scientists will revise an accepted scientific theory if:

A. New scientific evidence contradicts it.

B. other researchers confirm the new evidence.

C. The new theory provides a better explanation of all the available evidence.

D. All of the above.

5. Which of the following statements is supported by this data?

A. Explorers reached the South Pole first.

B. More than 3 years separate the conquest of the North and South Poles.

C. A Norwegian conquered both the North and South Poles.

D. None of the above.

6. Which city is NOT the capital of an Arctic Council country?

A. Ottawa.

B. Washington, D.C.

C. London.

D. Helsinki.

7. According to this table, which of the following statements is NOT true?

A. Alaska Natives account for less than 50% of the population in Northern Alaska.

B. Alaska Natives account for more than half the population in northern Alaska.

C. Caucasians, Asian and Pacific Islanders, and African-Americans combined account for less than half the population of Northern

Alaska.

D. In Northern Alaska, African-Americans represent the lowest percentage of the population.

8. Which of the following is NOT an example of traditional Native lifestyle?

A. Living off resources found locally.

B. Using vegetable oil rather than seal fat.

C. Camping on the sea ice to look for migrating bowhead whales.

D. Gathering driftwood and animal oils in preparation for the dark winter nights.

9. Which month of the year do these words refer to?

A. July.

B. May.

C. November.

D. March.

10. Which of the following expressions represents the correct relationship between the length a, and the width b, of the craft?

A. b : a = 6 : 1

B. a/b=1/6

C. a : b = a : 6

D. a : b = 6 : 1