F
G
H
I
J
100
What is rotation?
The spinning of the Earth on its axis
100
Where is the lithosphere?
The uppermost part of the mantle and the lower part of the crust.
100
What is the inner core?
A dense ball of iron and nickel at the center of the Earth
100
What is radiation?
The transfer of energy through space
100
What two ways does the Earth move?
rotation and revolution
200
What is the contour interval?
The change from one contour line to the next contour line
200
What type of heat transfer occurs when cooking on a stovetop?
conduction
200
What is a contour line?
Shows points of equal elevation on a topographical map
200
How do the layers of the Earth differ?
They differ in size, composition, temperature, and pressure
200
What is a fossil?
any trace of ancient organism that has been preserved by rock
300
Who created the first useable calendar?
the ancient Egyptians
300
How often do tides occur?
about every 12.5 hours
300
What ocean is shrinking?
the Pacific Ocean
300
What two seasons do solstices occur?
winter and summer
300
What shape does Earth's orbit take?
ellipse
400
What two plates move apart 2.5 cm each year?
North American and Eurasian plates
400
What is a transform boundary?
A place where two plates slip past each other in opposite directions
400
Who is Alfred Wegener?
He came up with the theory of continental drift
400
What causes convection currents in the mantle?
Heat from the core and the mantle itself
400
How often does the temperature inside the Earth change?
approximately every 40 meters
500
What is subduction?
The ocean floor sinks beneath the deep ocean trench and back into the mantle.
500
How do convection currents form?
Heating and cooling of fluids, changes the density, and the force of gravity combine to form convection currents.
500
What are the uses of topographic maps?
engineering, business, science, and everyday life
500
What must people do in order to read a topographical map?
People must familiarize themselves with the map’s scale, symbols, and interpret the contour lines
500
How many days in an Earth year?
365 1/4 days
M
e
n
u