Read Theory 3rd-4th (4)

Most materials fall into two categories: 

• plastic and metal
  
• electric and
  non-electric 
• insulators and conductors 
• copper and steel 

According to the passage, two examples of insulators include:

• rubber and plastic 
• plastic and steel 
• steel and copper 
• rubber and copper 

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.2.2

CCSS.RL.3.2

CCSS.RL.4.2

Based on information in the passage, which material is most likely a conductor? 

• vinyl, which is a type of plastic
  
• wood, which comes from trees
  
• aluminum, which is a type of metal 
• glass, which breaks easily 

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.3.2

CCSS.RL.4.2

According to the passage, insulators are important because they 

• protect people 
• let electricity flow 
• look nice
  
• contain plastic 

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.3.2

CCSS.RL.4.2

CCSS.RL.5.2

In paragraph two, we see that to conduct electricity means to let it "flow through." Based on this usage, which item also conducts something? 

• A mop can be used to clean a floor. 
• A spoon can be used to eat food. 
• Scissors help people cut things.
  
• Pipes bring water into your house. 

Tags

CCSS.RI.3.4

CCSS.RI.4.4

CCSS.RI.5.4

CCSS.RL.3.4

CCSS.RL.4.4

Based on information in the passage, we can conclude that each of the following is true EXCEPT 

• Metals are conductors.
  
• Your computer uses electricity.
  
• Electricity can be dangerous.
  
• Insulators let electricity flow through. 

Tags

CCSS.RI.4.1

CCSS.RI.5.1

CCSS.RL.4.1

CCSS.RL.5.1

CCSS.RL.6.1