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Models & Designs
"5th Grade - Models & Designs - Terms & Definitions"
Question | Answer |
---|---|
Black Box | Any system that cannot be directly observed and easily understood. |
Model | A representation that explains how something is built or how it works. |
Siphon | A tube that moves liquid out of a container by gravity, provided the outflow end is lower than the intake end. |
Conceptual Models | Explanations that are expressed in drawings, words, or mathematics. |
Physical Model | A three-dimensional construction designed to explain or represent how something works. |
Collaborate | Sharing ideas and solutions. |
Circuit | An unbroken pathway along which electricity flows. |
Switch | Device capable of connecting and disconnecting a circuit. |
Design | The way something is put together. |
Engineer | Uses scientific knowledge to design useful things. |
Axle | The rod that connects to the wheels so that they turn together. |
Bearing | Other parts of a device revolve or rotate on this part. |
Friction | The resistance to movement on surfaces that touch. |
Hub | The center part of the wheel that is fastened to the axle. |
Traction | The kind of friction that allows wheels to turn without slipping on a surface. |
Wheel | The disk that turns on a central axis |
Technology | The enterprise of using science to develop objects, machines, and materials that are of use to society. |
Variable | Anything you can change in a design that might affect performance of the product. |