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10 Cards in this Set

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  • Back
design
refers to the way something is put together.
axle
a rod connected to the wheels. It allows both wheels to turn together.
bearing
connects the axle to the body while allowing the axle to spin.
wheel
a solid disc capable of turning on the axle.
diagram
a picture or sketch that shows how something works or is designed. It must have labels.
physical model
3D construction designed to explain or represent how something works
conceptual model
an explanation of ideas expressed with pictures, words, or mathematics.
traction
a type of friction that allows wheels to turn without slipping on a surface
friction
when two objects rub together and create resistance
engineer
a person who uses scientific knowledge to design things that are useful to people