OpenSciEd Unit 7.1

Front

Model

Back

Representation we use for explaining a phenomenon. The practice we engage in as scientists to make sense of phenomena.

Front

System

Back

A set of parts that work together (interact) toward a goal or outcome. To study a system, it's helpful to set a boundary and look at (1) and (2) effects from things outside the boundary.

Front

Claim

Back

Uses one sentence to directly answer the question asked.

Front

Matter

Back

Anything with mass and volume.

Front

Mass

Back

Measure the amount of matter in a substance or an object.

Front

Volume

Back

Measures the amount of space a substance or an object takes up.

Front

States of matter

Back

Different phases in which any given type of matter can exist: solid, liquid, or gas.

Front

Open system

Back

System in which mass or energy can be lost to or gained from the environment.

Front

Closed system

Back

System that does not allow transfer of matter in or out of the system. The transfer of energy is allowed.

Front

Evidence

Back

The scientific data and details collected in an investigation.