Dependent and Independent Variables

How can you determine if your hypothesis is supported?

• By analyzing the data collected from the experiment and seeing if it aligns with your prediction.

• By ignoring the data and relying on intuition.

• By conducting the experiment multiple times without recording results.

• By asking others for their opinions on the hypothesis.

Tags

NGSS.MS-LS2-4

NGSS.MS-PS2-5

What is an independent variable?

• A variable that is measured in an experiment.

• A variable that is kept constant throughout the experiment.

• A factor that is changed or controlled in an experiment to test its effects on the dependent variable.

• A variable that is influenced by the independent variable.

Tags

NGSS.MS-PS2-2

What is a dependent variable?

• A variable that is manipulated in an experiment.

• A factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

• A constant that remains unchanged throughout the experiment.

• A variable that does not affect the outcome of the experiment.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

In an experiment, if you change the amount of sunlight a plant receives, what is the independent variable?

• The type of plant

• The amount of water

• The amount of sunlight

• The size of the pot

Tags

NGSS.MS-LS1-5

What is the difference between qualitative and quantitative data?

• Qualitative data involves numbers and measurements, while quantitative data describes characteristics or qualities.

• Qualitative data describes characteristics or qualities, while quantitative data involves numbers and measurements.

• Qualitative data is always more accurate than quantitative data.

• Quantitative data is subjective, while qualitative data is objective.

Why is it important to repeat experiments?

• To make the experiment more complicated

• To verify results and ensure that they are reliable and not due to chance.

• To reduce the time taken for the experiment

• To impress others with the amount of work done

In an experiment, if you measure how tall a plant grows based on different amounts of water, what is the dependent variable?

• The amount of water given to the plant.

• The type of plant used in the experiment.

• The height of the plant.

• The time taken for the plant to grow.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What does it mean to 'control' a variable in an experiment?

• To keep it constant so that it does not affect the outcome of the experiment.

• To change it frequently to observe different outcomes.

• To eliminate it from the experiment entirely.

• To measure its impact on the results.

Tags

NGSS.MS-PS2-2

What is the purpose of a control group in an experiment?

• To manipulate the independent variable

• To serve as a standard for comparison

• To increase the sample size

• To eliminate all variables

Tags

NGSS.MS-PS2-5

In a study about how temperature affects ice cream melting, what is the independent variable?

• The amount of ice cream

• The temperature

• The type of ice cream

• The time taken to melt