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Systems

Across
Parts working together to perform a function.
An educated guess.
The application of science for practical purposes.
Limits of a system
Observation using data and measurements.
Understanding the way matter is composed and behaves.
The study of the physical and natural world
Observations using your five senses.
Living or once living.
Down
Small system within a system.
Non-living and never having been alive.
An inference based on future events.
Understanding the way matter and energy interact.
Parts & pieces needed to make the system operate.
Designing, building and using technology.
Study of life.
What a system produces.
What a system needs to operate.