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6th Grade Earth Science Benchmark
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Which phase of the Moon occurs after a waxing gibbous?
Ocean tides of Earth are strongly influenced by the Moon. During which
lunar phases are ocean tides lowest on Earth?
last quarter and new moon
full and first quarter
full moon and new moon
first quarter and last quarter
All of these are examples of the ways Earth and the Moon interact except
the phases of the moon
the tides on Earth
seasons on Earth
Jamie studied how the position of Earth around the Sun affects the energy
available on Earth. Which best explains why a particular place on Earth receives more energy during summer months than winter months?
the tilt of Earth
the distance between Earth and the sun
the rotation of Earth
the amount of rays produced by the sun
On January 15th, there were 10 hours and 24 minutes of daylight in Jacksonville, Florida. On the same day, there were only 9 hours and 37 minutes of daylight in New York City. Why did New York have fewer hours of daylight than Florida?
because Earth tilts on its axis
because Earth rotates
because the Moon reflects sunlight onto Earth
because gravity pulls Earth toward the Sun
What percentage of the Earth is water?
Of all the water on Earth, what percentage is salt water?
The temperatures in space vary from extremely cold to extremely hot. Earth's surface temperature is relatively stable. Which of these is most responsible for Earth's surface temperatures?
solar radiation reflected from the Moon
many volcanic eruptions near the Ring of Fire
the greenhouse effect in the atmosphere
plankton distribution in shallow ocean waters
A boundary where two tectonic plates come together, or collide, is called a
What direction does the moon revolve around the Earth?
The San Andreas Fault in Mexico and California is watched carefully for signs of an expected earthquake. Why do scientists think an earthquake might happen there?
The chances of a major earthquake in California have increased greatly because there has been so much construction there.
Everyplace on Earth's crust has a probability of Earthquakes and the San Andreas Fault has never had one.
The San Andreas is a known major fault where pressure for lateral movement has been building for many years.
The San Andreas Fault is the line that divides the part of California that is sinking into the Pacific Ocean.
What is the MAIN reason that the continents look very different than they did 100 million years ago?
Volcanoes have made and destroyed many of the continents.
Ocean currents have constantly reshaped the continents.
The continents have drifted apart from one another on lithospheric plates.
Waves and wind have caused parts of continents to erode into the ocean.
What landform is created when two continental plates collide?
A solar eclipse occurs when
Earth blocks the Moon from the Sun.
the last four planets are in a line
the Moon blocks Earth from the Sun.
the first four planets are in a line.
Venus has the highest surface temperature of all the planets in our solar system. Which is the best explanation for
Venus rotates on its axis very slowly.
Venus is very close to the Sun.
Venus revolves around the Sun relatively quickly.
Venus's atmosphere has thick clouds and carbon dioxide.
What are mid-ocean ridges?
They are narrow valleys that run along the bottom of the oceans.
They are areas of underwater mountain chains located near many active volcanoes.
They are areas underwater where thick layers of sediment have accumulated
They are areas where tectonic plates meet
Most earthquakes and volcanoes occur in areas of the Pacific Ocean called "The Ring of Fire." What is the main reason for this?
The weight of the ocean water forces magma to the surfac
That area of Earth is hotter than any other area.
Lithosphere plate boundaries are found in that area.
Large numbers of people live in this area
In December, 2004, an earthquake registering 9.0 on the Richter scale was recorded off the far coast of Sumatra. What is the common secondary effect of this type of earthquake?
What best describes the mantle of Earth?
the smallest layer that is made up of molten rock
a solid layer made of iron and nickel
a thin layer that is located on the surface
the largest layer between the crust and outer core
As early as the 1600s, scientists noticed that the continents appeared to fit together like pieces of a puzzle. The idea that the continents were once together and had drifted apart was not widely accepted. In the 1940s, technology used on submarines led to evidence of continental movement. This technology allowed the scientists to do which of these?
to consider the glacial evidence as outdated
to explain the extinction of the dinosaurs
to consider it unlikely that the continents were once together
to explain the mechanism that caused the continents to move
Lithospheric plates have moved to form land formations on the Earth's surface. Which land formation occurs as a result of the plates folding upon one another?
a mountain range
Nutrients are recycled when materials decompose in an ecosystem. Which is the best example of the decomposition process where organic material is recycled in an ecosystem?
bacteria feeding on dead plants
worms tunneling through soil
a plant using nitrogen to make proteins
a hawk eating a mouse
Earthworms move randomly throughout topsoil. How do earthworms most likely affect the topsoil?
by adding nutrients to the topsoil
by decreasing the fertility of the topsoil
by compacting the topsoil
by removing the minerals from the topsoil
A black brick exposed to sunlight becomes warm. How is energy from the Sun transferred to the brick?
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