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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 some sea animals lived on land.
B
Millions of years ago there was an ocean where the mountains exist today.
C
Someone lost the fossil and dropped it while hiking up the mountain.
D
The scientist was mistaken about the fossil resembling a sea shell.
2) Which of the following would prove MOST useful in the relative dating of a fossil?
A
Salt
B
Humidity
C
Calendars
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
the location of the edges of the tectonic plates
B
pictures of the Earth from space over the past 50 years
C
the distance between the continents over 100 years
D
fossils of reptiles and seed fern found on different continents
5) The Earth is made up of three basic layers. Choose the answer that describes the layers of the Earth.
A
iron, magma, and tectonic plates
B
magma, rock, and soil
C
igneous, metamorphic, and sedimentary
D
core, mantle, and crust
6) The center of the Earth is:
A
Molten lava
B
Magma
C
Solid
D
Gaseous
7) By collecting and plotting earthquake data, students should be able to learn:
A
what caused the earthquakes in each area over 8 weeks.
B
where earthquakes occurred most frequently over 8 weeks.
C
the number of people affected by the earthquakes over 8 weeks.
D
the amount of damage caused by earthquakes in 8 weeks.
8) The earthquakes occur:
A
when they are located in the same area as volcanoes and mountains.
B
where the ocean and the continents come together and collide.
C
where there are deposits of molten magma below the surface.
D
along the borders of the tectonic plates as they move into one another. (The plates rub together)
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 vibrate from earthquakes causing cracks or holes where magma and ash erupt.
C
Plates remain stationary while gas and magma build up pressure.
D
Plates rub back and forth against one another
10) Choose the BEST answer that explains why the Earth behaves like a magnet.
A
Large deposits of iron ore at the Earth’s poles create a magnetic field.
B
The convection currents of Earth’s outer core create a magnetic field.
C
The compass needle aligns with the lines of force in Earth’s magnetic field.
D
The Earth has a hard metallic core, convecting mantle, and outer crust.
11) Choose the BEST explanation that describes how a compass helps travelers find direction.
A
The compass always points north
B
It always points where you want to go
12) What makes the tectonic plates move?
A
The ocean currents
B
Solar energy moves the plates
C
Heat from inside the earth
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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