Transcript 6thGrade_February_BR

2/6/12
Page 88
Which of these substances is a liquid
form of precipitation?
A. hail
B. rain
C. sleet
D. snow
2/7/12
Page 88
The diagram below shows water droplets
that have formed on cold grass. Which
process occurred when the water droplets
formed on the grass?
A. condensation
B. deposition
C. evaporation
D. sublimation
2/8/12
Page 90
As water changes state, the water either
absorbs or releases energy. Which of
these answers is a process that releases
energy?
A. snow melting
B. ice subliming
C. lake water freezing
D. ocean water evaporating
2/9/12
Page 90
Water can be added to the atmosphere by
evaporation, sublimation, or transpiration.
Which of these answers lists the three processes
in order from the process that adds the least
water to the process that adds the most water?
A. evaporation, sublimation, transpiration
B. sublimation, transpiration, evaporation
C. sublimation, evaporation, transpiration
D. transpiration, sublimation, evaporation
2/13/12
Page 92
Both stationary and moving technological
methods are used in weather data
collection. Which of the following is an
example of a moving method?
A. a satellite
B. an anemometer
C. an anchored weather buoy
D. a ground station
2/14/12
Page 92
In a particular area, the density of water
vapor in the air is 9 g/cm3. The saturation
density is 18 g/cm3. What is the relative
humidity?
A. 25%
B. 50%
C. 9 g/cm3
D. 27 g/cm3
2/15/12
Page 94
Many factors affect visibility. Which
of the following would most affect
visibility?
A. fog
B. humidity
C. wind speed
D. temperature
2/16/12
Page 94
The following map shows the average elevations
of four U.S. state capitals.
Which city would you expect to have the lowest
air pressure?
A. Atlanta, GA
B. Cheyenne, WY
C. Lansing, MI
D. Phoenix, AZ
2/20/12
Page 96
Precipitation is part of the water cycle.
Which of the following lists three kinds
of precipitation?
A. fog, hail, and rain
B. snow, rain, and sleet
C. rain, condensation, and snow
D. runoff, condensation, and evaporation
2/21/12
Page 96
The air mass that is usually present over Florida
is called a maritime tropical air mass. This air
mass is warm and moist. What happens as this
air mass moves northward?
A. The air mass gets even warmer.
B. The air mass will hold even more moisture.
C. The air mass will stay warm and moist as it
moves north.
D. The air mass will bring its temperature and
moisture to its new location.
2/22/12
Page 98
A thunderstorm is characterized by the
formation of particles in the lower
temperatures at the top of a storm cloud.
Which of the following commonly forms in the
lower temperatures at the top of a
thunderstorm cloud?
A. acid
B. air
C. ice
D. oxygen
2/23/12
Page 98
Hurricanes are more likely to happen
during certain times of the year. In the
United States, when are hurricanes most
likely to happen?
A. late winter
B. late spring
C. late summer
D. late fall
2/27/12
Page 100
Rita measured the distance a small boat
traveled over 30 s. The table below shows the
distance traveled at 10-s intervals. Rita wants
to create a distance-time graph to show her
data. Which of the following should Rita put on
the vertical axis?
A. distance
B. Speed
C. time
D. velocity
2/28/12
Page 100
Jason attends a car race. In 5 s, a car
reaches a speed of 100 km/h. Jason uses
these data to calculate the car’s
acceleration. Which units did Jason use to
measure acceleration?
A. m/h
B. km/h
C. km/s
D. km/h/s
2/29/12
Page 102
Sita is on the school diving team. She drew the
diagram below to show the path she takes when
she dives. When Sita is at the highest point,
she is 12 m above the pool. Which of the
following does this statement describe?
A. motion
B. path
C. position
D. speed
3/1/12
Page 102
The law of conservation of energy describes
how the amount of energy can change in a
closed system. Which of these statements
correctly describes this law?
A. The amount of kinetic energy in a system is a
constant value.
B. Energy can be converted from one form into
another, but it cannot be destroyed.
C. An object can have potential energy or
kinetic energy, but not both at the same time.
D. The amount of energy created when an object
moves is equal to the energy destroyed when
it stops moving.