Working scientifically Flashcards
How do you scientist come up with hypothesis
Via observation
How to test if a hypothesis is right or wrong
Making predictions
How to verify predictions are correct
Via data evidence in experiments
What is peer review
To check that results are collected in a scientific way
Scientific experiments should be
Reproducible
What are excepted hypothesis is known as
Theories
An example of a representational model
Bohr model of an atom
What is important about evidence
Evidence needs to be repeatable reproducible and valid
The variable you change in experiment is known as
Independent variable
The variable you measure when you change the independent variable is known
As the dependent variable
What should a sample represent
The whole population
How should categorical data be represented in the graph
It should be represented as a bar chart
Examples of continuous data, and how should it be represented in the graph
The product formed will be a line graph, with the x-axis being time, Y axis volume
What does the gradient in the graph shown
The slope gives you the right of a reaction
Positive correlation and negative correlation which directions
Look at the example in the photo and described in the answer how to work out relative atomic mass
