WorksheetsContinental Drift
Total questions: 18
Worksheet time: 12mins
Name
Class
Date
1.
Which type of plate is older?
a)
continental
b)
oceanic
2.
What type of plate is thicker?
a)
continental
b)
oceanic
3.
What is it called when two oceanic plates move apart and new crust is formed?
a)
crustal integrating
b)
sea-floor spreading
4.
What is it called when on plate is pushed usder another plate as they collide?
a)
earthquakes
b)
subduction
5.
What is one phenomenon when two continental plates collide?
a)
fold mountains
b)
vocanoes
6.
What do plates float on?
a)
corona
b)
upper mantle
c)
asthenospere
7.
New crust is created by _____________________?
a)
magma from the mantle
b)
corma from the core
8.
What is the name of the supercontinent that formed from about 200-100 million years ago?
a)
Pangaea
b)
Laurasia
9.
Who first proposed the theory of continental drift'?
a)
Galileo
b)
Wegener
c)
Hess
10.
What is an underwater mountain range where new ocean floor is made?
a)
subduction
b)
mid-ocean ridge
c)
deep-sea trench
11.
Which earth's layer is the lower part of the mantle?
a)
asthenosphere
b)
lithosphere
c)
crust
12.
Which of Earth's layers convects?
a)
crust
b)
lithosphere
c)
asthenosphere
13.
Which type of heat transfer is this an example of: burning myself on a flame
a)
radiation
b)
conduction
c)
convection
14.
Which type of heat transfer is this an example of: burning myself on a hot glass candle holder
a)
radiation
b)
conduction
c)
convection
15.
Which type of heat transfer is this an example of: tanning next to the ocean
a)
radiation
b)
conduction
c)
convection
16.
True or False: When liquid gets hot, it becomes less dense.
a)
true
b)
false
17.
Convection currents are due to
a)
super hot core
b)
weather
c)
magnetic field
18.
During convection currents, _____ dense material rises, and _______ dense material sinks.
a)
less, more
b)
more, less
100 %
