Working Scientifically

Question 1

Hypothesis

Answer 1

A possible explanation for an observation

Question 2

Peer review

Answer 2

Where are the scientist check results and scientific exclamations to make sure they are scientific and to detect false claims.

Question 3

Theories

Answer 3

Accepted hypotheses

Question 4

Representational model

Answer 4

A simplified description/picture of what’s going on in reality, used to explain observations and make predictions.

Question 5

Computational models

Answer 5

Simulations of complex real life processes, used when there is a lot of different variables to consider.

Question 6

Economic issues with scientific developments

Answer 6

Society can’t always afford to do the things scientists recommend without cutting back elsewhere.

Question 7

Personal issues with scientific developments

Answer 7

Some decisions will affect individuals that object.

Question 8

Social issues with scientific development

Answer 8

Decisions based on scientific evidence affect people and their lifestyles.

Question 9

Environmental issues with scientific developments.

Answer 9

Human activity of affects the natural environment.

Question 10

Hazard

Answer 10

Something that could potentially cause harm.

Question 11

Examples of hazards from scientific experiments

Answer 11

Microorganisms
Chemicals
Fire
Electricity

Question 12

Evidence characteristics

Answer 12

Repeatable
Reproducible
Valid

Question 13

Independent variable

Answer 13

The variable that you change

Question 14

Dependent variable

Answer 14

The variable that you measure

Question 15

Control variables

Answer 15

The variables that you keep the same

Question 16

Systematic error

Answer 16

If a measurement is wrong by the same amount every time

Question 17

Zero Error

Answer 17

If the systematic error is caused by using equipment that isn’t zeroed properly

Question 18

anomalous result

Answer 18

When you get a result it doesn’t fit in with the rest of the results

Question 19

What should you round to you in any scientific calculation

Answer 19

To the lowest number of significant figures given in the question.

Question 20

How to present discrete/categoric data

Answer 20

In a bar chart

Question 21

rules for drawing bar chart

Answer 21

Linear scale with equal values in between 
Inclusion of units
Labelling of both axes
Inclusion of a key
Large
Gap between each category

Question 22

How to present continuous data

Answer 22

Plot a graph

Question 23

Rules for plotting graphs

Answer 23

Draw an appropriate scale using biggest data value
Dependent variable on the Y axis
Independent variable on X axes
You sharp pencil and crosses
Ignore anomalous results when plotting lines of best fit
Include units
Large

Question 24

What does the gradient tell you

Answer 24

How quickly do dependent variable changes if you change the independent variable

Question 25

Gradient

Answer 25

Change in y/ change in x

Question 26

How do you write conclusions

Answer 26

Include everything from the data and nothing else