How Science Works
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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Define accurate
Close to the true value of what your are measuring
Define analyse
The process of looking at data and writing about what you have found
What is a bar chart
A way or presenting data when one variable is categoric and the other is continuous
Define categoric
A variable that has values that are words
Define conclusion
What you write down to say what you’ve found out during an investigation
Continuous
A variable that has values that can be any number
Control variable
The variable you keep the same in an investigation
Data
Words or numbers that you obtain when you make observations or measurements
Dependant variable
A you variable that changes when you change the independent variable (what you measure)
Evaluate
To discuss that quality of data collected during an investigation and suggest improvements to the method
Independent variable
A variable you change that impacts the dependent variable (this you change)
Line graph
A way of presenting results when there are two numerical variables
Define spread
The difference between the highest and lowest measurements of a set of repeat measurements
What does this mean
Moderate health hazard
What does this do
Causes skin irritation
What does this mean
Serious health hazard
What does this do
Causes breathing difficulties
What does this mean
Toxic
What does this do
Could cause death if swallowed or inhaled
What does this mean
Corrosive
What does this do
Damages skin and clothing
What does this mean
Fammable
What does this do
Catches fire easily
What does this mean
Oxidising