WorksheetsContinental Drift, Sci Notation, Heat Transfer
Total questions: 23
Worksheet time: 8mins
Name
Class
Date
1.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
2.
Which is an ancient supercontinent that scientists believe existed around 200 to 300 million years ago?
a)
Pangaea
b)
landmass
c)
Ice Age
d)
glacier
3.
This is a picture of glacier scars found in Africa. What are these evidence for?
a)
Africa has always been near the equator
b)
Africa was once in an area of the Earth that had a very cold climate
c)
The continents have not moved
d)
sea floor spreading
4.
Why did no one believe Wegener's thoery?
a)
He could not explain HOW the continents moved
b)
He didn't have evidence
c)
His data was wrong
d)
He didn't use the right technology to gather data
5.
What drives tectonic plate movement?
a)
gravity
b)
coriolis effect
c)
convection currents
d)
the earth's magnetic core
6.
According to Wegener's hypothesis of continental drift,
a)
Earth's surface is made up of seven major landmasses
b)
the continents DO NOT move
c)
Earth is slowly cooling and shrinking
d)
the continents were once joined together in a single landmass
7.
Seafloor spreading...
a)
creates new crust
b)
destroys or recycles crust
c)
was discovered by Wegener.
d)
creates old crust
8.
Rocks at the mid ocean ridges...
a)
are the oldest rock on the earth.
b)
are older than continental rock.
c)
are younger than continental rock.
9.
The magnetic pattern of ocean-floor rocks on one side of an ocean ridge is_____________.
a)
a mirror image of that other side
b)
younger than other side
c)
much different pattern
d)
at right angles to the ridge
10.
Write 7.113 x 107 in standard form.
a)
71,130,00
b)
7,113,000
c)
0.0000007113
d)
7,113
11.
Write 0.00000707 in scientific notation.
a)
7.07 x 10-6
b)
7.07 x 106
c)
707 x 108
d)
707 x 10-8
12.
Write 2.08 x 102 in standard form.
a)
208
b)
0.0208
c)
20,800
d)
0.208
13.
Write 7.8 x 10-3 in standard form.
a)
0.0078
b)
7,800
c)
78
d)
0.078
14.
Write 6,700 in scientific notation.
a)
6.7 x 103
b)
6.7 x10-3
c)
67 x 102
d)
67 x 10-2
15.
Write 0.037 in scientific notation.
a)
3.7 x 10-2
b)
3.7 x 102
c)
37 x 10-3
d)
37 x 103
16.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
17.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
18.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
19.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
20.
"Lava lamps" contain colored liquids. These liquids form globs that rise to the top due to
a)
conduction
b)
convection
c)
radiation
21.
What type of heat transfer is this experiment testing?
a)
conduction
b)
convection
c)
radiation
22.
What technology was used during WWII to detect enemy submarines and produce the first map of the seafloor?
a)
Sonar
b)
Radar
c)
GPS
23.
About how fast do continents move?
a)
1-2 inches per year
b)
5-6 inches per year
c)
12-14 inches per year
d)
36-37 inches per year
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