science vocab

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axle
The rod that connects two wheels
friction
a force acting between two surfaces passing each other
engineering
science, work, or profession of planning, building, or managing engines, machines, roads, mines, electrical systems, etc.
design
the way something is put together
traction
the friction force that tends to keep two materials from slipping past each other
bearing
the support or guide for a rotating axle allowing it to move easily
physics
the science that deals with matter and energy
matter
anything that takes up space and has mass. it can be solid, liquid, or gas
mass
a measure of the quantity of matter in an object
form follow function
an expression in design that means an engineer often works to make sure the product does what it is supposed to do first and then works on the design of that product
internal combustion engine
an engine that produces mechanical energy by the explosive combustion of fuel
potential energy
energy that is stored for later use
kinetic energy
energy involving motion
technology
the business of using science to develop objects, machines, and materials that are of use to society
variable
anything that can change that might affect the outcome of an investigation
constant
in an experiment or investigation, the thing or things that do not change