nature of science

Question 1

bias

Answer 1

In scientific research, bias is a systematic deviation between observations or interpretations of data and an accurate description of a phenomenon

Question 2

constant

Answer 2

A quantity that is unknown but assumed to have a fixed value in a specified mathematical context.

Question 3

control

Answer 3

In scientific experiments, a scientific control is one in which the subject or a group would not be tested for the dependent variable

Question 4

density

Answer 4

The density, of a substance is its mass per unit volume.

Question 5

dependent variable

Answer 5

The dependent variable is the variable that is being measured or tested in an experiment.

Question 6

experiment

Answer 6

A scientific test in which you perform a series of actions and carefully observe their effects in order to learn about something.

Question 7

graph

Answer 7

The variation of a variable in comparison with that of one or more other variables

Question 8

hypothesis

Answer 8

A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Question 9

independent variable

Answer 9

It is a variable that stands alone and isn’t changed by the other variables you are trying to measure.

Question 10

mass

Answer 10

Mass is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.

Question 11

model

Answer 11

A scientific model is a physical and/or mathematical and/or conceptual representation of a system of ideas, events or processes.

Question 12

scientific variable

Answer 12

An experiment usually has three kinds of variables: independent, dependent, and controlled.

Question 13

scientific method

Answer 13

A method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.

Question 14

standard

Answer 14

an object, system, or experiment that bears a defined relationship to a unit of measurement of a physical quantity.

Question 15

technology

Answer 15

the application of scientific knowledge for practical purposes, especially in industry.

Question 16

scientific theory

Answer 16

A scientific theory is an explanation of an aspect of the natural world and universe that can be repeatedly tested and verified in accordance with the scientific method

Question 17

variable

Answer 17

A variable is anything that can change or be changed

Question 18

volume

Answer 18

In thermodynamics, the volume of a system is an important extensive parameter for describing its thermodynamic state.

Question 19

SI

Answer 19

The International System of Units is the modern form of the metric system.