Section 2.3 & 2.4 quiz

Description

Grade 7 Science (Unit D) Quiz on Section 2.3 & 2.4 quiz, created by Oluwaseun Oyedele on 06/02/2020.
Oluwaseun Oyedele
Quiz by Oluwaseun Oyedele, updated more than 1 year ago
Oluwaseun Oyedele
Created by Oluwaseun Oyedele over 4 years ago
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Resource summary

Question 1

Question
Which answer describes compression?
Answer
  • Compression is a force that acts to squeeze an object
  • Compression is a force that acts to stretch an object
  • Compression is a force that acts to push objects that are in contact in opposite directions.

Question 2

Question
Tension is a force that acts to push objects that are in contact with each other in opposite directions.
Answer
  • True
  • False

Question 3

Question
Bending an object is an example of [blank_start]complementary forces[blank_end]
Answer
  • complementary forces
  • shear
  • structural failure

Question 4

Question
An arch can support large loads because _________.
Answer
  • It spreads the weight throughout it
  • it is
  • it can withstand gravity

Question 5

Question
A beam
Answer
  • is a flat structure that is supported on each end
  • bends when there is too much load in the middle

Question 6

Question
What is structural stress?
Answer
  • when all the forces are acting on an object
  • when there is repeated abnormal use of an object.

Question 7

Question
What is structural fatigue?
Answer
  • when there is repeated abnormal use of an object
  • when a structure can no longer withstand acting on it

Question 8

Question
What is structural failure?
Answer
  • when an object can no longer withstand forces
  • when all forces are acting on an object at the same time
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