1A Key science skills

Which of these is not a requirement for a research question?

• Written as a question

• Testable

• Achievable

• Specific

• Funny

Match the following components of a scientific investigation to their defintion.

• Aim

• A step-by-step guide to performing an experiment

• Conclusion

• A testable statement describing the effect of one variable on another

• Hypothesis

• The objective of the investigation (what you are trying to achieve)

• Method

• A summary of the findings of your investigation, related to the hypothesis

Match each type of variable to its correct definition.

• Dependent variable

• The variable that you measure

• Independent variable

• The variable that you change/manipulate

• Controlled variables

• The variables that you keep the same

How many independent variables should a controlled experiment have?

• 1

• 2

• 5

• As many as you want

Uncontrolled variables are also called ___________ variables.

A simple hypothesis format is:
If ​ (a)   then ​ (b)   .

• [change in IV]
• [change in DV]

When describing how a variable will change as part of a hypothesis, it is important to describe the _________ of the change.

• size

• direction

• size and direction

Match the following types of scientific investigation methodology to their description.

• Controlled experiment

• An investgiation into the impact of an independent variable on a dependent variable

• Classification and identification

• An investigation that involves a real or hypothetical situation

• Fieldwork

• Arranging individuals or objects into sets

• Correlational study

• Observing and recording events that have not been manipulated or controlled to look for associations between variables

• Case study

• A correlational study or controlled experiment set up outside of a controlled environment

Match the following types of scientific investigation methodology to their description.

• Modelling

• The collation and analysis of other people's scientific findings or viewpoints

• Simulation

• Design of an object, process or system to meet a human need

• Product, process or system development

• The construction of a model or representation that approximates an object or event

• Literature review

• The process of using a model to observe what may happen in a system

Match the following terms to their definitions.

• Reproducible

• Your experiment actually measures what it claims to be measuring

• Valid

• You can repeat your experiment and get the same results over and over

• Repeatable

• Other scientists can follow your method and get the same results over and over