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WorksheetsStructures Mid-Term Grade 7
Total questions: 19
Worksheet time: 3hrs 20mins
A structure is...
Only something that is made by humans
Something that has a definite shape and function
Anything with a strong skeleton surrounded by flexible material
Only something that is made by nature
Mountains, brick walls, and pyramids are all examples of
Shell Structures
Natural Structures
Manufactured Structures
Mass Structures
In class we used a triple beam balance to measure _____________ in grams, and a spring scale to measure ________________ in Newtons.
mass, mass
mass, gravity
mass, weight
weight, mass
A force is best described as a…
Constant stress on a structure
Newton
Push or pull on an object that causes the object to move or change shape
Thread that holds the universe together that can be controlled if it is with you
How a force impacts a structure depends on the:
Magnitude (strength) of the force
Direction of the force
Location of the force on the object
All of the above
A load is an example of what kind of a force
Internal
External
Gravity
Rigid
An internal force acts on the __________ of a structure, whereas an external force acts on the ___________ of a structure, respectively.
inside, inside
outside, outside
inside, outside
outside, inside
Gravity is an example of ____________.
an external force
compression
an internal force
weight
Compression is caused by a _____________ on an object, and tension is caused by a ____________ on an object, respectively.
push, pull
pull, push
push, push
pull, pull
When the books caused the 3D shapes to fail during our strong shape lab, what type of internal force occurred?
tension
shear
torsion
compression
What type of internal force occurs if I rip a sheet of paper?
tension
shear
torsion
bending
Structural failure occurs when
A force acts on a structure
When a structure has to carry a load
When a structure is built with a strong foundation
When a structure can no longer withstand the forces being applied to it
What type of internal force causes something to buckle or crumple when it fails?
tension
compression
torsion
shear
A rock climber holding onto a rope on the side of a mountain will apply which type of internal force on the rope?
tension
compression
shear
torsion
Fred dropped his towel in the pool and then George twisted it to take out the excess water. What kind of internal force was acting on the towel?
tension
compression
shear
torsion
A cylinder is a strong shape because…
It cannot distribute forces evenly
They are always made of strong materials
It has too many corners
It is able to distribute forces evenly
One Newton is equal to about how many grams?
1 gram
10 grams
100 grams
1000 grams
You are building a bridge and want to make sure it is very strong. What are 3 things you should consider (think about)/do/use when you are building it?
The roof of my cabin just collapsed! What are 2 things that may have caused this? Explain why you think this. Use the scientific vocabulary you learned in this unit.
