Everything Flashcards
What is the Title in a scientific report
Gives information as to what will be in the task
What is the Aim
Outlines problem to be solved
What is a hypothesis
Educated ‘guess’ as to the outcome of problem being solved
What is a materials list
List of equipment needed for experiment. DOWN the page
What is the method
Steps used to complete experiment
What is needed in a discussion
- Risk Assessment
- A summary of observed results
- Explanation of observed results
- Consideration of validity and reliability in method and results
- Any questions need to be answered
What is the conclusion
Statement addressing aim and hypothesis. Also summarises results
What is independent Variable
Factors that change in experiment
What is the dependant variable
The factors that are measured
What are the controls
The factors that stay the same
Define Alchemy
A science used in the Middle Ages with the objective to turn ordinary metals into gold.
Define Transmutation
Process of changing one element to another
Define Element
Pure substance made up of only one atom
How many elements occur naturally
92
How many elements occurs artificially by scientists
25
How many known elements are there
118
How many known atoms are there
118
Name six ways elements can be distinguished
- Colour
- Hardness and brittleness
- Density
- State
- Melting and boiling points
- Reactions with other chemicals
Name three properties of metals
1) Conduct Heat and electricity
2) Shiny and solid
3) Maluable
Name 4 properties of non-metals
1) Does not conduct heat or electricity
2) Dull
3) Brittle
4) Can be melted or turned into gas easily
Describe a metalloid
Elements with properties of both metals and non-metals
What is a reliable experiment
A experiment in which the results can be obtained get anyone
How to ensure reliable results
Experiment should be repeated and should be carried out 3 times
What should happen in a validity test
The method should correctly test the aim
