Applied Science Practical Skills

what’s a hypothesis

A prediction, based on scientific ideas made as a starting point for further investigation

What are the Key features of a good hypothesis?

A good Hypothesis must: Be able to be tested scientifically Relate one dependent variable to on independent variable

What is a Null Hypothesis?

States that there is no significant difference, for example, no relation between the temperature and the rate of reaction.

What is the independent variable?

The variables you change during an investigation.

What is the Dependent variable?

The variables you are investigating and measure during an investigation.

What is the control variable?

The variables you keep constant during an investigation.

What should a method be?

A step-by-step set of instructions, Be logically ordered, allows you to take sensible measurements, and allows you to test your hypothesis.

When planning your method what do you need to make sure?

That it will procedure a range of results, reliable results, precise results, and accurate results.

What is the accuracy?

How close a value is to the true / expected value

what is precision?

How close repeated measurements are to each other

What’s the Reliability?

The overall consistency and dependability

What’s an Anomaly?

A data point that dedicates significantly from the rest of the data set

What’s the mean?

The average dataset by adding all the value and divide by the amount of values their is

What’s the Mode?

The value that appears the most in a data set

What’s the median?

The middle value of the dataset when arranged in order