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The concept that Earth's upper layer, or lithosphere, is divided into large, quite rigid segments which float over the more dense upper mantle, is termed
A: pushing margins B: plate tectonics
C: floating continents D: convection currents
plate tectonics
An earthquake's magnitude is measured with a tool that records the size of seismic waves, called a
A: seismograph B: telegraph
C: Richter scale D: sonic recorder
seismograph
Where does the energy that powers the water cycle come from?
A: plants B: animals
C: electrical outlets D: the sun
the sun
What is the only thing in nature that can be a solid, a liquid, or a gas?
A: helium B: water
C: oxygen D: hydrogen
water
What is the correct term for plants releasing water from their leaves, which then evaporates?
A: evaporation B: precipitation
C: transpiration D: condensation
transpiration
Plate boundaries where two plates are moving apart from one another, and new plate material is being formed as molten rock rises to fill the gap between them, are called
A: divergent margins B: convergent margins
C: subduction margins D: transform margins
divergent margins
Most earthquakes occur
A: in the middle of the ocean B: where volcanoes are
C: near major cities D: along plate boundaries
along plate boundaries
What is evaporation?
A: Water freezes. B: Water vapor meets cold air and changes back into liquid.
C: Water gets warm and changes from liquid water to water vapor.
D: Plants take in water from the soil.
Water gets warm and changes from liquid water to water vapor.
What are the three stages of the water cycle?
A: evaporation, condensation, precipitation B: condensation, precipitation, hibernation
C: precipitation, dehydration, evaporation D: transpiration, dehydration, condensation
evaporation, condensation, precipitation
What is the correct term for plants releasing water from their leaves, which then evaporates?
A: evaporation B: precipitation
C: transpiration D: condensation
transpiration
The plates of the Earth move because of
A: pressure from volcanoes B: bumping from bubbling magma
C: convection currents in the mantle D: earthquake activity
convection currents in the mantle
The magnitude of the largest earthquakes felt to date, such as the San Francisco earthquake of 1989, are in the range of __________Richter magnitude.
A: 3 B: 6
C: 1 D: 8 and over
8 and over
What is the correct term for moisture that falls to the ground from clouds?
A: condensation B: precipitation
C: hibernation D: evaporation
precipitation
Where is water vapor found?
A: in the air around you B: in your breath
C: in steam from a kettle D: all of the above
all of the above
Where does some water from the water cycle collect underground?
A: aquariums B: aquifers
C: aqueducts D: aquatic parks
aquifers
Two obvious ways plate tectonic activity can be witnessed is in
A: wind and ocean currents B: earthquakes and volcanoes
C: avalanches and snowstorms D: changing weather patterns
earthquakes and volcanoes
Some areas that have the highest concentration of earthquakes are
A: the coasts of N. America and S. America B: in the South Pacific ocean, such as near Japan
C: the coast of Africa D: A and B both
A and B both
From where does most water evaporate?
A: puddles B: rivers
C: lakes D: oceans
oceans
How much water does the average North American use in a day?
A: 1-2 gallons B: 5-10 gallons
C: 25-30 gallons D: 50-80 gallons
50-80 gallons
a physical change
The strongest shock waves of an earthquake occur close to what is called the epicenter, a point on the surface of the crust directly above what is called the ______.
A: magnitude B: focus C: current D: margin
focus
Earthquakes and volcanoes share which of the following in common?
A: they both occur along plate boundaries B: they both can involve explosive movement
C: they are both related to plate tectonic activity
D: all of the above
all of the above
What is the correct term for rising water vapor meeting colder air and turning back into water droplets?
A: condensation B: dehydration
C: precipitation D: evaporation
condensation
What are the drops of water that form on cool surfaces during the night called?
A: dew B: rain
C: steam D: snow
dew