Biology - DIY - Study material

What is Qualitative data?

• Descriptive data, that cannot be counted or measured

• Data that can be counted or measured

• A variable that changes in a scientific experiment

What is Quantitative data?

• It is a part of the control group and helps the experiment stay on track

• None of the above

• Information that can be counted or measured and given a numerical value

The dependent variable (DV) in an experiment changes as a result of the ---------.

Constants and controlled variables are...

• Factors that remain unchanged in an experiment

• Variables that change in an experiment

• Factors that are exposed to the IV and DV

The ​​---- variable stands​ alone and isn't changed by other variables you are measuring.

What variable does the experimental group get exposed to?

What is a control group?

• The group in an experiment that does NOT receive the variable you are testing

• The group that changes throughout the experiment

Experiment: Do plants need water to survive? Which of the following is the control group

• The plant not being watered

• The amount of water

• Whether the plant survives

• The plants that receive water

What is surface tension?

• The force that keeps a ball rolling on a surface
• The tension in a material when it is stretched
• The force that causes liquid droplets to take a spherical shape
• The pressure exerted by the atmosphere on the surface of the earth

What is a solution?

• A mixture where the minor component is uniformly distributed within the major component
• A type of chemical reaction
• A type of physical change