6th Grade Chapter 9 Review Question Preview (ID: 18322)


Earth's Atmosphere: Energy From The Sun, Energy Transfer In The Atmosphere, Air Currents. TEACHERS: click here for quick copy question ID numbers.

Winds are caused when air _______.
a) is a good conductor of heat
b) moves from low pressure to high pressure
c) emits infrared radiation
d) moves from high pressure to low pressure

One reason Earth's surface is heated unevenly is that
a) convection currents only occur near the poles
b) convection currents only occur near the equator
c) different materials absorb different amounts of solar radiation
d) oceans reflect far more sunlight than sand

Convection currents in the atmosphere and oceans are caused by _______
a) energy emitted by the earth
b) energy from the sun
c) the Coriolis effect
d) global warming

The transfer of thermal energy in the atmosphere is mainly by _______.
a) conduction
b) convection
c) radiation
d) inversion

Energy is transferred from the Sun to Earth by _______.
a) electromagnetic waves
b) a convection current
c) greenhouse gases
d) winds

Warm air rises because it is _______ than the cooler air around it
a) less dense
b) more dense
c) a better conductor
d) a poorer conductor

Which is the correct order of the layers of the atmosphere, beginning with the layer closest to the earth?
a) troposhere, mesophere, stratosphere, thermosphere
b) trosphere, thermosphere, stratosphere, mesosphere
c) stratosphere, troposphere, mesosphere, thermosphere
d) troposphere, stratosphere, mesosphere, thermosphere

Which is used by hang gliders to soar high above the ground?
a) Coriolis Effect
b) updraft
c) downdraft
d) jet stream

In which layer does earth's atmosphere absorb most of the sun's ultraviolet radiation?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere

Which process transfers thermal energy by contact?
a) conduction
b) convection
c) radiation
d) inversion

What causes winds to deflect to the right in the northern hemisphere?
a) convection
b) jet stream
c) Coriolis Effect
d) eddy

Which atmospheric layer contains weather?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere

Which layer of the atmosphere contains the ozone layer
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere

Oxygen and nitrogen make up which percentage of the atmosphere?
a) 21.0
b) 50.0
c) 78.9
d) 99.0

Which best describes how air moves?
a) It moves from an area of low pressure to an area of high pressure
b) It moves from an area of high pressure to an area of low pressure
c) Warm air sinks and cool air rises
d) Warm air sinks and cool air sinks

Which is the main source of energy for Earth?
a) the Sun
b) the Moon
c) water
d) wind

Ozone in the atmosphere absorbs which type of incoming solar radiation?
a) ultraviolet
b) visible
c) infrared
d) X-ray

An inversion occurs when _______.
a) warm air is on top of cold air
b) cold air is on top of warm air
c) warm air sinks
d) cold air rises

Why is it colder near the poles than near the equator?
a) At the poles, sunlight is blocked by global warming
b) At the poles, light hits Earth at a perpendicular angle
c) At the poles, the beam of sunlight is concentrated in a small area
d) At the poles, the beam of sunlight is spread out over a larger area

Which situation can result in an inversion?
a) Warm air sits on top of cold air
b) Cold air sits on top of warm air
c) Dense air sits on top of cold air
d) Dense air sits on top of warm air

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