Physical Ch1: Introduction Flashcards Preview

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Flashcards in Physical Ch1: Introduction Deck (25):
1

inferring

The process of making an inference, an interpretation based on observations and prior knowledge

2

observing

The process of using one or more of your senses to gather information

3

qualitative observation

An observation that deals with characteristics that are not expressed in numbers

4

quantitative observation

An observation that deals with a number or amount

5

science

A way of learning about the natural world through observations and logical reasoning; leads to a body of knowledge

6

chemistry

The study of the properties of matter and how matter changes

7

physics

The study of matter and energy and how they interact

8

predicting

The process of forecasting what will happen in the future based on past experience or evidence

9

scientific inquiry

The ongoing process of discovery in science

10

hypothesis

A possible explanation for a set of observations or answer to a scientific question

11

controlled experiment

An experiment in which only one variable is manipulated at a time

12

manipulated variable

The one factor that a scientist changes during an experiment

13

responding variable

The factor that changes as a result of changes to the manipulated or independent variable in an experiment

14

variable

A group of related parts that work together

15

data

Facts, figures, and other evidence gathered through observations

16

communicating

The process of sharing ideas with others through writing and speaking

17

scientific law

A statement that describes what scientists expect to happen every time under a particular set of conditions

18

scientific theory

A well-tested explanation for a wide range of observations or experimental results

19

engineer

A person who is trained to use both technological and scientific knowledge to solve practical problems

20

brainstorming

A process in which group members freely suggest any creative solutions that come to mind

21

constraint

Any factor that limits or restricts a design

22

Trade-off

An exchange in which one benefit is given up in order to obtain another

23

prototype

A working model used to test a design

24

troubleshooting

The process of analyzing a design problem and finding a way to fix it

25

system

A group of related parts that work together