8th Grade Science End of Year Review

In the graph below, what is a possible reason why the population of “gray” peppered moths in England changed? 

• Human pollution during the industrial revolution changed the moths’ natural habitat. 
• The number of predators increased. 
• The moths’ food source vanished. 
• The moths were unable to reproduce. 

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Jessie catches a fish with the following characteristics:
√Oval-shaped body
√No barbels
√Forked tail fin

This fish is most likely a:  

• catfish
  
• rainbow trout 
• bluegill 
• largemouth bass 

In the plant cell below, which arrow is pointed to the organelle that contains the genetic material for inherited traits? 

• Structure A 
• Structure B 
• Structure C 
• Structure E 

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which arrow indicates the cause of day and night on Earth? 

• Arrow 1
  
• Arrow 3
  
• Arrow 4
  
• Both Arrow 1 & 4 

Tags

NGSS.MS-ESS1-1

Which arrows show the revolution of a body in space? 

• Arrows 2 and 3 
• Arrows 1 and 2 
• Arrows 1 and 3 
• Arrows 3 and 4 

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NGSS.MS-ESS1-1

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The tilting of the Earth on its axis contributes to: 

• the different phases of the moon we see 
• the changing of seasons as Earth moves around the Sun 
• high and low ocean tides
  
• an increase in the gravitational force from the Sun 

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NGSS.MS-ESS2-6

Katrina travels to Australia when the Earth is located at Arrow #1 and it is winter. She returns to Australia when the Earth is located at Arrow #4. What season will it be? 

• winter 
• spring 
• summer 
• autumn 

Tags

NGSS.MS-ESS1-1

 Sarah observes and records these moon phases. 
Which phase will she observe on Night 15? 

• A
• B
• C
• D

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NGSS.MS-ESS1-1

Even though the Sun has a mass 27 million times greater than the Moon, the Moon has a greater impact on the Earth’s tides. This is because: 

• The Moon is much closer to the Earth.
  
• The Moon has more gravitational force than the Sun. 
• The Moon is made of solid elements instead of gases. 
• The Moon has a faster orbital period. 

Tags

NGSS.MS-ESS1-1

Which positions of the Moon will produce the highest tides on Earth? 

• A and B 
• A and C 
• B and C 
• B and D 

Tags

NGSS.MS-ESS1-1