What does repeatable mean?

The method is repeated by the same person, using the same method and equipment, and the same results are achieved.

Only one variable has been changed.

What does reproducible mean?

An investigation is carried out by another person, or using alternative equipment/techniques, and the same results are achieved.

What are the features of a line of best fit when the trend is linear?

Use a sharp pencil and a ruler to draw a straight line that does not join the data points but aims to have an equal amount on either side.

What are the features of a line of best fit when the trend is curved?

Use a sharp pencil to draw a smooth curve that passes through as many points as possible.

Why is a line of best fit useful?

It allows us to find patterns in our data, draw conclusions, and see if our hypothesis is correct.

What should be ignored when calculating a mean?

Anomalous results (those that are very different to the other trials).

What is primary data?

Data that has been gathered by the investigator themselves.

What is secondary data?

Data that has previously been gathered and can be accessed by researchers.

What are the features of effective writing?

Who is the audience? What is the purpose? What is the best structure?

What does coherent writing mean?

Writing that is logical, well organised, and easy to understand.

What does concise writing mean?

Describe and explain as much as possible using the minimum number of words.

The process whereby other scientists check whether the work is correct.

Why is peer review important?

It ensures the work and its conclusions are accurate, preventing the spread of false information.

When someone or something has a preference, which can be unfair.

What is a model in scientific terms?

A way of representing something that is too difficult to display.

An explanation for patterns that we see in observations or data, supported by scientific evidence.

What is a law in scientific terms?

A statement that describes a phenomenon that always occurs under certain conditions.

What is argumentation?

Using logical reasoning, debate, and negotiation to reach conclusions.

What is a control variable?

A variable that is kept constant to ensure a fair test.

What is qualitative data?

Data that describes qualities or characteristics, often using words rather than numbers.

What is quantitative data?

Data that can be measured and expressed numerically.

What is an anomalous result?

A result that is significantly different from the others in a set of data.

What is the purpose of a hypothesis in scientific investigations?

To provide a testable statement or prediction that can be supported or refuted by data.

What does reliable mean in the context of scientific data?

Data that is consistent and can be reproduced under the same conditions.

Scientific Investigation Concepts Flashcards

Student preview

32 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is required to investigate a question scientifically?

Back

You can only investigate a question scientifically if you can collect data (measurements or observations).

2.

FLASHCARD QUESTION

Front

How can you identify if a question can be investigated scientifically?

Back

Give a reason for your judgement.

3.

FLASHCARD QUESTION

Front

What is an independent variable?

Back

It is what you change in an experiment.

4.

FLASHCARD QUESTION

Front

What is a dependent variable?

Back

It is what you measure in an experiment.

5.

FLASHCARD QUESTION

Front

What are control variables?

Back

They are what you keep the same to ensure a fair test.

6.

FLASHCARD QUESTION

Front

What is a hypothesis?

Back

A prediction about what you think your results will show.

7.

FLASHCARD QUESTION

Front

What is accuracy in scientific terms?

Back

Results being close to the true value.

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