Unit 5-9 Review

Which of these could make this electromagnet stronger?

• 
• 
• 
• 

Answer explanation

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Sort these objects

Groups:

(a) Conductor

,

(b) Insulator

• 
• 
• 
• iron

• aluminum

• water

• pulls (transfers) heat and electricity

• 
• plastic

• 
• 
• glass

• wood

• paper

• does not pull electricity or heat well (poor conductor)

• silver

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

An object through which electrons and heat can easily flow is called a(n) ​ (a)   ​ ; these tend to be ​ (b)   .

• conductor
• metals
• nonmetals
• insulator
• semiconductor
• metalloids

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which circuit (s) are...?

a

b

Series

Parallel

This picture shows the result of electrons being transferred. The transfer happened because of ​ (a)   and is known as

(b)  

• friction
• static electricity
• Tenacious slowing
• Induction
• Conduction

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NGSS.MS-PS2-3

Light travels

• in an oscillating (back and forth) pattern

• in a straight line (transverse waves)

• in loops, like a slinky (longitudinal waves)

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Light bends when it is (a)  

• reflected
• absorbed
• refracted

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Match these wave parts

c

b

a

crest

trough

Wavelength

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NGSS.MS-PS4-1

Match

• Amplitude

• 
• High pitch and high frequency

• 
• Low pitch and low frequency

• 

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which waves have the highest energy?

• Gamma Ray

• Infrared

• Visible Light

• Radio

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