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Science - Yesterday, Today And Tomorrow
Test Description: Science for sixth grade - Tectonic Plates and Fossils
Instructions: Answer all questions to get your test result.
1) While digging in the side of a mountain, a scientist found a fossil that resembled a sea shell. Choose the BEST explanation for the fossil discovery.
A
Millions of years ago there was an ocean where the mountains exist today.
B
The scientist was mistaken about the fossil resembling a sea shell.
C
Someone lost the fossil and dropped it while hiking up the mountain.
D
Millions of years ago some sea animals lived on land.
2) Which of the following would prove MOST useful in the relative dating of a fossil?
A
Salt
B
Calendars
C
Humidity
D
Rock Layers
3) What causes the motion of the tectonic plates?
A
the rotation of Earth on its axis
B
the vibrations from earthquakes
C
ocean waves and currents
D
heat from inside the Earth
4) What evidence did Alfred Wegener use as evidence for drifting continents?
A
pictures of the Earth from space over the past 50 years
B
the distance between the continents over 100 years
C
fossils of reptiles and seed fern found on different continents
D
the location of the edges of the tectonic plates
5) The Earth is made up of three basic layers. Choose the answer that describes the layers of the Earth.
A
core, mantle, and crust
B
igneous, metamorphic, and sedimentary
C
magma, rock, and soil
D
iron, magma, and tectonic plates
6) The center of the Earth is:
A
Molten lava
B
Solid
C
Magma
D
Gaseous
7) By collecting and plotting earthquake data, students should be able to learn:
A
the amount of damage caused by earthquakes in 8 weeks.
B
what caused the earthquakes in each area over 8 weeks.
C
the number of people affected by the earthquakes over 8 weeks.
D
where earthquakes occurred most frequently over 8 weeks.
8) The earthquakes occur:
A
along the borders of the tectonic plates as they move into one another. (The plates rub together)
B
when they are located in the same area as volcanoes and mountains.
C
where there are deposits of molten magma below the surface.
D
where the ocean and the continents come together and collide.
9) Choose the answer that BEST describes conditions at the plate edges that result in a volcanic eruption.
A
Plates collide causing cracks or holes where magma and gases push up from deep inside the Earth.
B
Plates remain stationary while gas and magma build up pressure.
C
Plates rub back and forth against one another
D
Plates vibrate from earthquakes causing cracks or holes where magma and ash erupt.
10) Choose the BEST answer that explains why the Earth behaves like a magnet.
A
The Earth has a hard metallic core, convecting mantle, and outer crust.
B
The compass needle aligns with the lines of force in Earth’s magnetic field.
C
The convection currents of Earth’s outer core create a magnetic field.
D
Large deposits of iron ore at the Earth’s poles create a magnetic field.
11) Choose the BEST explanation that describes how a compass helps travelers find direction.
A
It always points where you want to go
B
The compass always points north
12) What makes the tectonic plates move?
A
Heat from inside the earth
B
Solar energy moves the plates
C
The ocean currents
13) When two continental plates collide
A
a tsunami is formed
B
continental plates do not move
C
The oceans get larger
D
mountains are formed
*select an answer for all questions
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