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G5 Sci Revision
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[CH12] What is used to track storm?
Microwaves
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[CH11] What happen when objects are cooled?
particles get thermal energy > atoms move faster and farther
particles lose thermal energy > atoms move slowly and closer
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[CH12] What kind of image where light cannot actually reach?
real
virtual
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[CH11] What is the place in the wave where the particles are squeezed together?
Compression
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[CH10] What is when too many fishes are removed from the ocean?
Overfishing
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[CH10] What is wrote in Tragedy of the Commons?
If stop using the resource, someone else will use it up.
If stop using the resource, no one will use it up.
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[CH11] What is the measure of frequency?
Hertz
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[CH12] What is the range of wavelengths of electromagnetic waves?
Electromagnetic spectrum
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[CH12] What is CORRECT about altitude?
Bright light > more altitude
Dim light > more altitude
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[CH12] What lens is thinner in the middle than at the edge?
Convex
Concave
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[CH12] What is the height of the wave?
Frequency
Amplitude
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[CH10] What is when any fish caught unintentionally while fishing?
Bycatch
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[CH11] What energy stored because of an object's weight and height?
Gravitational potential energy
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[CH10] Give me examples of natural resources
oil, natural gas, water
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[CH10] What is when removing harmful things from an ecosystem and replacing them with good things?
Restoration
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[CH10] Give me examples of renewable resource
fish, seaweed, wind, solar energy, salt
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[CH10] What are the materials that occur naturally that humans use?
Natural resources
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[CH11] How does the heat flow?
From warmer to cooler
From cooler to warmer
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[CH10] How to reduce bycatch?
Ban fishing
Use selective fishing gear
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[CH12] The sun makes thess waves.
Ultraviolet waves
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[CH10] What resource that recreate relatively quickly?
Renewable resource
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[CH11] What energy stored in bonds of atoms and molecules?
Chemical potential energy
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[CH11] What makes guitar strings change pitch?
When the length of a guitar string change.
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[CH11] What energy moves the particles in matter?
Thermal energy
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[CH12] What is when the wave moves from one substance into another and changes speed and direction?
Refraction
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[CH12] What is when two waves meet?
Interference
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[CH12] What is the number of wavelengths in one second?
Amplitude
Frequency
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[CH12] What kind of image formed by a concave mirror?
virtual
real
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[CH12] What kind of image is produced behind the mirror?
real
virtual
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