Science 7 Unit 4 Quiz - Structures

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Grade 7 Science Unit 4 Study Quiz - Structures
MexiPeanut
Quiz by MexiPeanut, updated more than 1 year ago
MexiPeanut
Created by MexiPeanut over 9 years ago
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Resource summary

Question 1

Question
Which 3 of the following are more specific types of structures?
Answer
  • Natural Structures
  • Mass Structures
  • Manufactured Structures
  • Frame Structures
  • Shell Structures

Question 2

Question
Shell structures are hollow inside.
Answer
  • True
  • False

Question 3

Question
In a frame structure, the skeleton supports the weight of the other parts of the structure.
Answer
  • True
  • False

Question 4

Question
Mass structures are made by...
Answer
  • Hammering wood together
  • However, only it has to be large and heavy
  • However, but the materials have to be piled up

Question 5

Question
Planning is extremely important when building a structure. Which of the following things need to be examined in planning?
Answer
  • Safety requirements
  • Beauty
  • Funcion
  • Materials
  • Colour and Texture
  • Fasteners or joints

Question 6

Question
What are some of the things constructors need to think about while choosing a material for the structure?
Answer
  • Cost
  • How it feels
  • Enviromental Impact
  • Appearance
  • How much energy it uses

Question 7

Question
Joints can be...
Answer
  • Rigid
  • Soft
  • Mobile
  • Used by anyone

Question 8

Question
Mass is...
Answer
  • How large an object is
  • The amount of particles or matter in an object
  • How heavy an object is
  • An object covered in cookie dough

Question 9

Question
According to the lesson notes, FORCE can do all of the following EXCEPT for...
Answer
  • Start an object moving with a push or pull
  • Slow down an object
  • Cause a change in direction
  • Stop an object moving in less than .14 seconds

Question 10

Question
The Newton (N) unit is used to measure mass.
Answer
  • True
  • False

Question 11

Question
Which of these is NOT true?
Answer
  • Tension means STRETCHING
  • Compression means CRUSHING
  • Torsion means TWISTING
  • Sheer means TEARING
  • Bending means ROCKING

Question 12

Question
An internal force acts on the outside of a structure. An external force acts on the inside of a structure.
Answer
  • True
  • False

Question 13

Question
Live loads are things/people/weather etc that can act on the structure. Dead loads are the structure itself.
Answer
  • True
  • False

Question 14

Question
Friction is a force that speeds up motion.
Answer
  • True
  • False

Question 15

Question
If a structure is STABLE, what does that mean?
Answer
  • It is less likely to tip over
  • It is not possible for it do get destroyed
  • It is a place where animals live

Question 16

Question
What is the "Centre of Gravity"?
Answer
  • Where a body's mass is concentrated
  • The center of the universe
  • The middle of the earth
  • The place in a structure where particles move the most

Question 17

Question
A gyroscope's axis is stabalized, so it never points in the same direction.
Answer
  • True
  • False
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