Year 7 Science - Experiments and graphs

What is a variable in the context of an experiment?

• A constant factor that does not change

• A graphical representation of data

• A type of scientific report

• A factor that can change

Tags

NGSS.MS-PS2-2

What is meant by 'independent variable'?

• The variable that is measured in the experiment

• The variable that remains constant

• The variable that is changed to observe effects

• The outcome of the experiment

Tags

NGSS.MS-PS2-2

What is a hypothesis in a scientific experiment?

• A detailed description of the experiment

• A random guess about the experiment's outcome

• A prediction or educated guess

• A confirmed outcome of the experiment

Tags

NGSS.MS-LS1-5

What are controlled variables?

• Variables that are eliminated from the experiment

• Variables that change during the experiment

• Variables that are kept the same throughout the experiment

• Variables that are not important to the experiment

Tags

NGSS.MS-PS2-2

Why is repetition important in experiments?

• To make the experiment longer

• To make the experiment more complex

• To use up materials

• To ensure results are reliable

Tags

NGSS.MS-PS2-5

What is the purpose of a scientific report?

• To confuse other scientists

• To record and communicate findings

• To list all the materials used

• To make a hypothesis

What should be included in the method section of a scientific report?

• The conclusion of the experiment

• The results of the experiment

• The hypothesis and predictions

• How the experiment was conducted

What does a column graph typically show?

• Controlled variables

• Qualitative changes over time

• Quantitative measurements as columns

• Hypotheses and predictions

Tags

NGSS.MS-PS3-1

What role does the dependent variable play in an experiment?

• The variable that is manipulated by the researcher

• The variable that is measured to see the effect of changes

• The variable that remains constant throughout the experiment

• The variable that is not used in the experiment

Tags

NGSS.MS-PS1-2

How does a line graph typically represent data?

• By showing categories of data as slices of a pie

• By displaying relationships between numbers in a table

• By plotting points connected by lines to show trends over time

• By stacking different data sets on top of each other in bars

Tags

NGSS.MS-PS3-1