Plywood is made by gluing together thin layers of wood. Which term best describes plywood?(1 point)
Responses
natural
natural
raw material
raw material
conductor
conductor
composite
composite
An engineer is designing a component of a product. The component is responsible for carrying electric current from one part of the product to another. Which material would be a suitable choice for the component?(1 point)
Responses
copper
copper
rubber
rubber
glass
glass
plastic
copper
Question
Which term refers to the rate of electricity passing through a circuit?(1 point)
Responses
current
current
conductivity
conductivity
voltage
voltage
electron
electron
current
Which statement describes why the design of automobile air bags is not perfect?(1 point)
Responses
They are unable to replace seat belts.
They are unable to replace seat belts.
They rely on seat belts to begin the inflation process.
They rely on seat belts to begin the inflation process.
They can be harmful to passengers of certain heights.
They can be harmful to passengers of certain heights.
They have not been able to save many lives.
They can be harmful to passengers of certain heights.
An architect is designing an office building in an area that can experience earthquakes. Which component would it be most important to strengthen in order to allow the building to withstand the additional forces exerted during an earthquake?(1 point)
Responses
the electrical system
the electrical system
the doors
the doors
the foundation
the foundation
the windows
the foundation
When would a transformation of chemical energy to electrical energy occur?(1 point)
Responses
when the current becomes zero
when the current becomes zero
when there is chemical reaction between metals and nonmetals
when there is chemical reaction between metals and nonmetals
when a reaction produces the same products
when a reaction produces the same products
when electrons stop moving between atoms