Review For Science Final 7th Grade: Question Preview (ID: 21466)

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Which of the following is evidence that supports plate tectonics?
a) continental drift
b) fossils on continents
c) earthquakes and volcanoes
d) all of the above

What evidence is there to support the existence of Pangaea?
a) mountain ranges
b) fossil records
c) continent shapes
d) all of the above

Which of the following statements best describes the theory of continental drift?
a) the continents once formed a single landmass. broke up, and drifted to their present locations
b) The continents never formed a single landmass, never broke up, and existed where they are today
c) The continents formed two large landmasses that broke up and drifted to their present locations
d) The continents formed a single landmass, but never broke up and moved to their present locations.

Which of the following is evidence that the earth changed slowly over time?
a) meteors
b) fossil records
c) comets
d) wind

What is the atmosphere?
a) the layer of earth we stand on
b) a layer of the inner core
c) a mixture of gases that surrounds the Earth
d) part of the ecosystem

What gas is most of the atmosphere made of?
a) oxygen
b) nitrogen
c) neon
d) argon

Why would solar powered energy for my home be better than oil?
a) less pollution
b) reduction of fossil fuels
c) renewable energy source
d) all of the above

We can reduce our need for fossil fuels by developing ___________
a) alternative energy sources
b) creating more pollution
c) gasoline-powered cars
d) using fossil fuels

which of the following is a non-renewable resource?
a) coal
b) water
c) wind
d) sunlight

What is the preservation and wise use of natural resources called?
a) conservation
b) ecology
c) habitats
d) biodiversity

which direction does a compass always point?
a) geomagnetic north
b) geomagnetic south
c) geomagnetic east
d) geomagnetic west

Grass, trees, and flowers are best classified as which of the following types of organisms in a forest ecosystem?
a) consumer
b) decomposers
c) producers
d) predators

Which of the following statements best describes symbiosis?
a) a disease found in humans
b) when two things look symmetrical
c) the relationship between two or more species
d) species that create their own energy

Which living things in a pond's ecosystem break down dead plants and animals?
a) consumer
b) decomposers
c) producers
d) predators

The major source of energy that causes weather on Earth
a) stars
b) sun
c) moon
d) mountains

Why do extreme temperature changes rarely occur on land near large bodies of water?
a) water absorbs and releases heat slower than land
b) there is less wind in the summer
c) the location is a closer distance to the sun
d) temperature doesn't change in the spring

Which process(es) is responsible for creating soil?
a) heat and pressure
b) metamorphism
c) eruption
d) weathering and erosion

All tectonic plates are pieces of the __________________________.
a) mesosphere
b) Lithosphere
c) asthensophere
d) outer core

Tectonic plates float on the top of the _______________________________________
a) mesosphere
b) lithosphere
c) asthenosphere
d) outer core

Which layer of the atmosphere has the most air molecules?
a) troposphere
b) exosphere
c) lithosphere
d) biosphere

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