Physics test 1

The Universe is Mechanistic

The universe behaves with certain, definite and predictable order

Size and Scale

This idea helps physicists make sense of the vastness of our universe, from smallest to largest

Matter and Energy

Two of the most important quantities in nature and describes how they are inextricably interrelated

Cause and Effect

Describes the chain-reaction relationship that exists between phenomena happening all the time throughout the universe

Physical Laws and Theories

Defines the specific formulations that summarize the rules by which nature behaves

Conservation Laws

Describes how there are certain physical quantities in nature that seem to never change their amount

Consistency in the Universe

Explains that physicists have found evidence that suggests that the rules that govern how nature behaves here on Earth also describe behavior everywhere else in the universe

What are the three fundamental physical quantities?

Distance, time, mass

SI measurement for mass

kilograms

SI measurement for length

meter

SI measurement for time

second

Hypothesis

A reasonable explanation of an observed physical phenomenon that is based on research and that is testable.

System

A set of particles, objects or interacting components considered to be a distinct physical entity for the purpose of study.

Neutral quantity

A variable that has been assigned to be held constant during an experiment.

Controlled experiment

A type of experiment in which only one factor is tested

Independent Quantity

A variable that has been assigned to be varied during an experiment

Model

A representation or description that shows the parts and workings of a system

Dependent Quantity

A variable whose change is observed during an experiment and one that has been assigned to be tested.

Physics

The branch of science concerned with the nature and properties of matter and energy.