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WorksheetsSF.3.b Joints and fasteners
Total questions: 15
Worksheet time: 5mins
Friction results from...
The weight of the force of gravity
Particles of two surfaces shearing against each other
An unknown source
The magnetic force between objects
Which fasteners below are friction joints? (Select all that apply)
Wooden dowels
Screws
Nails
Interlocking joints
Rivets
"Mass alone can be used to make a structural joint"
True
False
Which types of joints below are created by "bonding"? (Select all that apply)
Gluing
Welding
Cement
Taping
Melting together
Which types of joints below are "movable joints"? (Select all that apply)
Hinges
Welds
Flexible tubing
Rivets
Pin joints
Ligaments are animal structures that...
attach bone to bone.
attach muscle to bone.
reduce friction.
allow movement in 3 axis of motion.
Tendons are animal structures that...
attach bone to bone.
attach muscle to bone.
reduce friction.
allow movement in 3 axis of motion.
Cartilage is an animal structure that...
attach bone to bone.
attach muscle to bone.
reduce friction.
allow movement in 3 axis of motion.
Ball joints are animal structures that...
attach bone to bone.
attach muscle to bone.
reduce friction.
allow movement in 3 axis of motion.
Heartwood is tree structure that...
is an outermost layer that protects the tree.
is for support and doesn't conduct water or store food.
contains both living and dead cells, and contains xylem and phloem.
contains stomata that allow for gas exchange.
Sapwood is tree structure that...
is an outermost layer that protects the tree.
is for support and doesn't conduct water or store food.
contains both living and dead cells, and contains xylem and phloem.
contains stomata that allow for gas exchange.
What kind of screwdriver does this screw require?
Flathead
Robertson
Philips
Allen key
What kind of screwdriver does this screw require?
Flathead
Robertson
Philips
Allen key
What kind of screwdriver does this screw require?
Flathead
Robertson
Philips
Allen key
What kind of screwdriver does this screw require?
Flathead
Robertson
Philips
Allen key
