Science 7 (1st quarter)

What is a hypothesis?

• A hypothesis is a proven fact that does not require any testing.

• A hypothesis is a random guess with no basis in evidence.

• A hypothesis is a conclusion drawn from a single observation.

• A hypothesis is a proposed explanation or prediction that can be tested through experimentation or observation.

What does mass represent?

• matter in an object

• matter in my donkey

• mass in the object

definition of element

• a part of something that is especially essential

• a group of atoms

• who cares

• Jake paul

What is the definition of OBSERVATION?

• A description of how close a measurement is to the true value of the quantity measured.

• The process of obtaining information by using the senses; the information obtained by using the senses.

• A condition or factor that is assumed to have one value, or remain unchanged, throughout a particular investigation.

• The knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested.

What is the purpose of an experiment in the scientific method?

• To test a hypothesis or investigate a research question.

• To validate previous research findings.

• To collect data for analysis.

• To prove a theory.

What is data analysis in the scientific method?

• The process of conducting experiments to generate data

• The process of formulating hypotheses based on data

• The process of summarizing data for presentation purposes

• The process of collecting, organizing, and interpreting data to draw conclusions and make informed decisions.

What is a control group in an experiment?

• A control group in an experiment is a group that is randomly selected from the population.

• A control group in an experiment is a group that is excluded from the experiment.

• A control group in an experiment is a group that receives the experimental treatment.

• A control group in an experiment is a group that is used as a baseline for comparison.

What are variables in the scientific method?

• Factors that are irrelevant to the experiment.

• Factors that cannot be changed or manipulated in an experiment.

• Factors that are only used in qualitative research.

• Factors that can be changed or manipulated in an experiment to test their effect on the outcome.

Which step of the scientific method involves making an educated guess?

• conclusion

• observation

• hypothesis

• experiment

Why is it important to have a control group in an experiment?

• To save time and resources

• To increase the sample size

• To provide a baseline for comparison

• To confuse the results