Document #________
Heading:
The Earth’s Changing Surface
DO NOW #7
DIRECTIONS:
o
Answer the question below.
1. Which of the following is an example of how fossils provided evidence that the continents used to be
together in a single landmass called Pangaea?
A. Fossils of two different types of animals were found on the same continents.
B. Fossils of one type of animal were found on two different continents separated by
thousands of miles of water.
C. Fossils have been found by Alfred Wegener that are worth a lot of money.
D. Fossils are really old remains of plants or animals that are usually preserved in
sedimentary rocks.
2. Which of the following is an example of how climate provided evidence that the continents used to be
together in a single landmass called Pangaea?
A. Evidence of glaciers have been found in southern Africa indicating that Africa must
have been located further south near the south pole.
B. The equator is one of the warmest parts of the earth year round.
C. Animals that are known to live in the dessert have been found living in the desserts of
northern Africa.
D. The south pole has always been cold because it is located in a spot that doesn’t
receive direct sunlight.
3. Which of the following is an example of how landforms provided evidence that the continents used to
be together in a single landmass called Pangaea?
A. Fossils of plants that grow in the tropics have been found in areas that are now
covered by ice.
B. Alfred Wegener was born in an area that is covered in mountains just like the
mountains that run up the east coast of the United States.
C. Ice covered islands have fossils of tropical plants.
D. Many of the continents look as if they could be fit together like puzzle pieces.
SPICY WORK: complete if you finish 1-3 on time.
4. Which of the following lists the Earth’s layers in order from hottest to coldest in temperature?
A. mantle, crust, inner core, outer core
B. inner core, outer core, mantle, crust
C. crust, mantle, outer core, inner core
D. outer core, mantle, inner core, crust
DON’T forget the back
5. What can be concluded by the following table?
Layer of the Earth Depth range (km) Average density (g/cm3)
crust
0 - 70
2.6
mantle
70 - 2,900
4.5
outer core
2,900 - 5,100
11.5
inner core
5,100 - 6,380
12.95
A. The Earth’s crust is denser than the Earth’s inner core.
B. The Earth’s mantle is deeper than the Earth’s outer core.
C. The Earth’s outer core is denser than the Earth’s crust.
D. The Earth’s inner core is the shallowest layer.