CR 8-13 Key Science Vocabulary Flashcards
The scientific principle that mass is neither created nor destroyed during a chemical reaction.
Law of Conservation of Mass
The amount of Matter in an object
Mass
A system that does not allow matter or energy to enter or escape.
Closed System
A system that allows matter or energy to enter or escape.
Open System
In engineering design, something that limits the solution to a problem.
Constraint
In engineering design, the goals and the desired features of the solution.
Criterion/Criteria
An early sample of a product that provides information about how the device or system works.
Prototype
A process that absorbs energy.
Endothermic
A process that releases energy.
Exothermic
The energy of an object due to the motion of the particles (atoms or molecules) within the object.
Thermal Energy
Someone who uses science and tools to build a product that solves a practical problem.
Engineer
A series of steps that engineers follow to come up with a solution to a problem.
Engineering Design Process
The process of reclaiming waste material for reuse.
Reclaim/Reclaimed/Reclamation
