Key science Skills

Question 1

Aim

Answer 1

Purpose of the experiment

Question 2

Controlled variables

Answer 2

Variables held constant throughout the experiment

Question 3

Dependant variable

Answer 3

Variable that is measured by the experimenter

Question 4

independent variable

Answer 4

variable that is deliberately manipulated by the experimenter

Question 5

Hypothesis

Answer 5

testable statement which predicts the outcome of an experiment

Question 6

Primary source

Answer 6

source providing original data, written by the experimenter

Question 7

Scientific ideas

Answer 7

ideas that are developed by following a scientific method

Question 8

non-scientfic ideas

Answer 8

ideas that are not developed by following a scientific method

Question 9

Secondary source

Answer 9

source that has interpreted primary sources

Question 10

scientific method

Answer 10

procedure used to investigate scientific ideas

Question 11

Variable

Answer 11

Any factor (substance, condition, property) that is capable of changing throughout an experiment

Question 12

Qualitative data

Answer 12

non-numerical (descriptive) data collected based on observations taken during an experiment

Question 13

Quantitative data

Answer 13

Numerical data collected during experiments

Question 14

Precision

Answer 14

how close measured values are to each other

Question 15

repeatability

Answer 15

closeness of the agreement between the results of successive measurements