Focus On Earth Science: California Grade 6

Lesson 2: Weather Patterns

Standards Check

1.
Which is not caused by the uneven heating of Earth's surface? 4.d
A)air currents
B)ocean currents
C)runoff of rainfall
D)winds
2.
Seasons are caused by _______. 4.a
A)the formation of low-pressure systems
B)the rotation of Earth around its rotation axis
C)the formation of high-pressure systems
D)the tilt of Earth's rotation axis
3.
Which causes the most weather-related deaths each year in the United States? 2.d
A)tornadoes
B)flash floods
C)hail storms
D)lightning
4.
High-pressure systems are formed when _______. 4.e
A)cold air sinks
B)warm air sinks
C)warm air rises
D)cold air rises
5.
A cold front often causes _______. 4.e
A)cold air to rise
B)an El Nino to form
C)warm air to sink
D)severe storms
Grade 6
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