What Is Physical Science 1 Flashcards
(26 cards)
Observing
Using one or more senses to gather information
Science
A way of learning about the natural world by gathering information
Qualitative observations
Descriptions that don’t involve numbers or measurements. Describing the quality
Quantitative observation
Descriptions that involve numbers and measurements
Inferring
An interpretation based on observations and prior knowledge
Predicting
Making a forecast of what will happen in the future based on past experiences or evidence
Chemistry
The study of the properties of matter and how matter changes
Physics
Study of matter and energy and how they interact
Scientific inquiry
Different ways scientist study the natural world
Hypothesis
A possible answer to a scientific question or explanation for a set of observations
Variable
Factors that can change In an experiment
Manipulated variable
Variables that are purposely changed
Responding variable
Variable that is expected to change because of the manipulated variable
Controlled experiment
Investigation where all but one variable remain the same
Data
Facts, figures, and other evidence gathered through observations
Communicating
Sharif ideas and conclusions with others through writing and speaking
Scientific law
A statement that describes what scientists expect to happen every time under a particular set of conditions
Scientific theory
Well-tested explanation for a wide range of observations or experimental results
Technology
A way of changing the natural world to meet human needs or solve problems
Engineer
Someone who is trained to use both technology and scientific knowledge to solve practical problems
Brainstorming
The process in which group members freely suggest any creative solutions that come to mind
Constraint
Any factor that limits or restricts a design
Trade-off
An exchange in which one benefit is given up in order to obtain another
Prototype
Working model used to test a design
