Science Quarter 3 Review: Question Preview (ID: 8801)

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Heat from a campfire is transferred by
a) convection b) nome of these c) radiation d) conduction
Heat that is transferred through contact is
a) conduction b) none of these c) radiation d) convection
Why does convection take place?
a) cold air is more dense and sinks b) warm air is less dense and rises c) both of these d) neither of these
What causes most of the heating of the troposphere?
a) convection b) conduction c) radiation d) none of these
Cold air masses are
a) more dense and flow under warm air masses b) less dense than warm air masses c) remain stationary d) mixes easily with warm air masses
Winds are caused by what?
a) differences in air pressure b) burning fossil fuels c) constant relative humidity d)
A cold dry air mass formed over Canada can be classified as
a) polar continental b) polar maritime c) tropical continental d) tropical maritimeWhe
What is formed when a warm front and a cold front meet but there is very little movement?
a) stationary front b) occluded front c) warm front d) cold front
Why has weather forecasting improved in recent years?
a) technology b) more experienced forecasters c) global warming d) more consistent weather patterns
What occurs when a cold air mass lifts a warm air mass?
a) cold front b) warm front c) occluded front d) stationary front
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