Download UNIT 5: PLANET EARTH

UNIT 5: PLANET EARTH
EXAM REVIEW – Science 7
1.
Minerals
a. What is a rock?
b. What is a mineral?
c. What are the three most common minerals found in the Earth’s crust?
d. What is the difference between an element and a compound?
e. How many known minerals are there?
f. Be able to describe what the Moh’s Hardness scale is for
g. Know the 4 identifiers that help us classify minerals
2.
Rock Cycle
a. Know how draw and label correctly a rock cycle diagram
b. What are the three families of rocks and how are they formed?
c. What is the difference between compaction and cementation?
3.
Erosion
a. What is the difference between erosion and weathering?
b. What are the three types of weathering
i. Be able to give examples of each
c. what are the 4 main agents of erosion?
4.
Moving Crust
a. Know the layers of the Earth
i. Both in name and in description
b. what is continental drift?
i. What are the three types of evidence that are used to support the
continental drift theory?
ii. Who was the scientist that [proposed the continental drift theory?
c. what is PANGEA?
d. What is sea floor spreading and what purpose does it serve?
e. What is plate tectonics all about
i. Converging vs. diverging plates
ii. Convection currents
5.
Earthquakes
a. Define seismologist and seismograph
b. What is the Richter Scale?
c. What are the 3 types of waves produced by earthquakes?
i. Which on is fastest?
ii. Most destructive?
d. what is the epicenter?
e. What are the three types of faults? How do they move?
f. What are some other devastating effects of earthquakes?
6.
Volcanoes
a. What does it mean when a volcano is dormant? Active?
b. Why is the volcano Krakatau famous?
c. What is the name of the volcano that erupted in 1980 in the US?
d. What is the Ring of Fire?
e. What are the three types of volcanoes?
f. Where is the largest volcano in the universe located? What is it called?
7.
Mountains
a. What two ways are mountains created?
b. What is an anticline and a syncline?
c. How can we tell the age of mountains?
d. Name at least three mountain ranges in the world
8.
Fossils
a. What is a fossil?
b. What are the 4 types of fossils?
i. How are they formed?
c. describe a mould and cast
d. what are the oldest fossils ever found?
9.
Geological Time
a. What is the principle of superposition?
b. How are relative dating and strata connected?
c. What are index fossils?
d. know the two most common ways scientists can tell the age of rocks
i. radiometric dating
ii. radiocarbon dating
e. know the geological time scale (p. 426)
f. what is Rodinia? Laurasia?
10.
Fossil Fuels
a. How were petroleum products formed?
i. Coal?
ii. Oil?
iii. Natural gas?
b. What is bitumen?
Vocabulary:
rock
minerals
element
compound
luster
streak
cleavage/fracture
igneous
intrusive
extrusive
fault
active
syncline
cast
eons
fossil fuels
magma
lava
sedimentary
stratification
compaction
cementation
metamorphic
humus
leaching
erosion
vents
extinct
petrified
superposition
eras
weathering
frost wedging
mantle
continental drift
plate tectonics
subduction
seismograph
seismologist
focus
epicenter
dormant
anticline
mould
half-life
bitumen