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Oceans, glaciers, lakes, and rivers are part of Earth's
Earth’s surface has a relatively thin, solid outer shell called the lithosphere. This solid part of Earth is part of the
Rocks are classified as igneous, metamorphic, or sedimentary according to
how they formed.
the minerals they contain.
Which statement is true of ALL rocks?
Rocks contain fossils.
Rocks are formed in layers.
Rocks are composed of minerals.
Rocks contain organic material.
What information did scientists study in order to develop this model of Earth's interior?
fossils found in rocks
core samples from seafloor drillings
locations of recent volcanic activity
recordings of earthquake waves
Which process is mostly responsible for the breaking down of the rock cliff into sand-sized sediment?
Which human activity would help reduce the amount of carbon dioxide in the atmosphere?
decrease the number of recycling programs
increase the human population
decrease the burning of fossil fuels
increase the number of cars being driven
Which two gases, when released into the atmosphere, are believed to contribute most to global warming?
nitrogen and oxygen
methane and carbon dioxide
nitrogen and methane
methane and oxygen
Which energy source is renewable?
Which would not be a good strategy for reducing the amount of fossil fuels people use in the United States?
keep your home and cars as warm as possible in the winter with furnace heat and as cool as possible in the summer with air conditioners
reduce waste, recycle materials, reuse products
use public transportation or car-pool when possible
turn off lights, computers, and electronic devices when not in use
Which statement is best supported by the information shown in the diagram?
Acid rain is necessary for forest growth.
Most rain is caused by factories.
The Adirondack Mountains determine the direction of prevailing winds.
Human activities can cause pollution.
Which energy source is considered nonrenewable?
The best title for the diagram is
Which statement is best supported by the diagram?
Chemicals applied by farmers lower the level of pollution in drinking water.
Human activities do not affect groundwater.
Toxic waste is safe if buried below the level of the basements of nearby homes.
Drinking water can become polluted from unsuspected sources.
Which would not be a reason for an increased usage of electricity?
increased use of locally grown organic goods
increase in human population
increased number of commercial institutions
increase use of technology and electronic devices
The sun appears to move across the sky during the day. The best explanation for this apparent motion is that Earth is
rotating on its axis
much smaller than the Sun
revolving around the Sun
tilted on its axis
Choose the phase of the Moon that an observer at X would see when the Sun, Earth, and the Moon are in the positions shown in the diagram. Assume there is no eclipse at that time.
The map shows the four major time zones in the continental United States. If it is 9 a.m. in the Eastern Time Zone, what time is it in the Pacific Time Zone?
Which season is occurring in the Northern Hemisphere?
The longitude of a location determines which time zone it is in. Different time zones are the result of
the Moon's rotation.
the Moon's revolution.