NEW
Font size
S
M
L
XL
WorksheetsFinal Exam: Convection
Total questions: 10
Worksheet time: 3hrs 30mins
Name
Class
Date
1.
This image is a model of __________.
a)
Convection
b)
Radioactive Decay
c)
Climate Change
d)
Albedo Effect
2.
Convection Currents ________.
a)
Movement of a gas or liquid caused by changes in temperature
b)
A ratio between the mass and the volume of a substance
c)
Thick layer of rock below the crust and above the core
d)
Idea that states the continents were once a giant land mass, and broke into pieces that moved to the positions they are intoday
3.
Warmer parts of a fluid tend to ____, while cooler parts tend to ____.
a)
Sink, Rise
b)
Stay afloat, Stay afloat
c)
Rise, Sink
d)
Sink, Sink
4.
What is the heat source driving the Convection Currents in the Mantle?
a)
Magma
b)
Radioactive Decay
c)
Volcanos
d)
Earth's Magnetic Field
5.
_________ is the driving force of plate motion.
a)
Climate Change
b)
Hotspots
c)
Convection
d)
Plate Tectonics
6.
When the heat source is applied to a fluid, convection currents in the fluid will _____________________.
a)
Speed Up
b)
Change Direction
c)
Eventually Stop
d)
Continue at the same rate
7.
Scientists think that convection currents flow in Earth’s
a)
Continents
b)
Mantle
c)
Lithosphere
d)
Inner Core
8.
True or False. The convection currents keep the earth's surface the same over time.
a)
True
b)
False
9.
Convection is likely occurring in
a)
The Mantle
b)
The Outer Core
c)
The Mantle & Outer Core
d)
Crust
10.
Magma will expand and rise because it becomes ______ dense near Earth's heat source.
a)
More
b)
Less
c)
Averagely
d)
Crazy
Reset
