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A cam changes between two types of motions, what are they?
Oscillation and rotation
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Name the type of motion that moves back and forth
Oscillation
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What is the magnitude of a strong earthquake?
6
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is a normal fault caused by compression or tension forces
Tension Forces
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What is the force acting on a falling rock
Force of Gravity
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What is the force acting on a catapult
Elastic Forces
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The place underground where the earthquake occurs
Focus Point
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is a Reverse fault caused by compression or tension forces
Compression
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A force is any _______ or _____ that changes or tried to change the motion of an object.
Push or pull
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Name the type of motion that spins
Rotation
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What is the magnitude of a light earthquake?
4
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What class of levers are Scissors
Class 1
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What causes a Tsunami?
An earthquake or volcanic eruption underneath the ocean
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What is the force acting on two Magnets
Magnetic Forces
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The point on the surface above the Focus point
Epicentre
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Name the type of motion that moves in a straight line
Translation
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What is the description of a magnitude 2 earthquake
very minor
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What is the balance point in a lever called?
Pivot
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What is the force used when lighting a match
Friction
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A tsunami can change the landscape, T or F
False
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What two forces can cause erosion?
Wind and flowing Water
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A volcanoe can change the landscape, T or F
True
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Name the type of simple machine that is a see-saw
Lever
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What is the magnitude of a micro earthquake?
1
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A 1 system pulley makes it easier to do work? T or F
False
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what is the mechanical advantage of a 3 system pulley?
1:3
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What class of levers are Nutcrackers
Class 2
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What class of levers are Hammers
Class 3
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What is the description of a magnitude 8+ earthquake
great
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The strength of n earthquake is measure on _______
Richter Scale
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Concrete is an invention? T or F
True
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