Semester Test Question Preview (ID: 54200)
7th Grade Science Test For The 1st Semester.
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1. Earth can be divided into four main systems or spheres. Which system contains Earth’s weather and forms the different climates around the world? *
a) Earth's inner layers of rock and metal
b) Earth's outermost layer of gases
c) the parts of Earth that contain all living organisms
d) the parts of Earth that include all of Earth's water
Fatima drew a diagram of the water cycle to share with her class. She wanted to be able to explain the source of energy for the water cycle, so she looked it up in an encyclopedia. What provides the energy that drives the water cycle? *
a) heat sources at the center of the Earth
b) heat of the sun
c) evaporation and condensation
d) biosphere
Arizona often has hot, dry weather. Casey wonders what would cause weather like this and looks up the different kinds of air masses. What kind of air mass would most likely bring this sort of weather? *
a) maritime tropical
b) continental tropical
c) maritime polar
d) continental polar
Jerome’s cousin lives in the northeastern United States. Jerome followed the path of Hurricane Sandy as it moved north over a period of several days. Next, he noticed that the hurricane had turned away from the ocean and had begun moving over the nor
a) an increase in temperature
b) an increase in speed
c) loss of moisture over the ocean
d) a changing wind direction
Which of the following conditions do NOT determine the weather in a particular place and time? *
a) humidity
b) air temperature
c) the day of the week
d) wind speed and direction
Heat energy is transferred on Earth by the processes of convection, conduction, and radiation. How does heat energy cause materials to move during convection? *
a) It causes denser materials to sink.
b) It causes colder materials to rise
c) It causes the sun to shine brighter
d) It causes less dense materials to sink.
In Florida, most of the rocks that are underground are a type of soft, white rock called limestone. If limestone is UNDERWATER for a long period of time, it begins to dissolve. Which of these processes most likely causes this change? *
a) chemical weathering
b) erosion
c) deposition
d) physical weathering
What is the main source of energy that drives the CYCLING of matter IN the geosphere? *
a) the sun
b) volcanoes
c) tectonic plates colliding
d) heat from Earth's interior
What is the mechanism by which tectonic plate motions are driven? *
a) erosion
b) deposition
c) ocean currents
d) convection currents
Justin wanted to explain the water cycle to his class. He created a chart with labels and illustrations. He knew that plants had a place in the water cycle. What part do plants play in the water cycle? *
a) Plants take in water through their roots and give off water vapor by evaporation
b) Plants take in water through transpiration and give off water vapor by evaporation.
c) Plants take in water through their roots and give off water vapor by transpiration
d) Plants take in water through transpiration and also absorb it in their roots.
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