U1L1 What is Science? Amoeba Sisters

Which of the following is typically the first step in the scientific method as presented in a linear sequence?

• Hypothesis

• Observation

• Conclusion

• Analysis

What is a key characteristic of scientific knowledge?

• It is absolute and unchanging.

• It is based on personal opinions.

• It is tentative and subject to change with new evidence.

• It is primarily focused on proving existing theories.

What is the difference between an observation and an inference?

• An observation is a guess, while an inference is a fact.

• An observation is data gathered through senses, while an inference is a logical conclusion based on that data.

• An observation is a prediction, while an inference is an experiment.

• An observation is a question, while an inference is an answer.

Why is research an important part of scientific investigation?

• To confirm existing biases.

• To avoid conducting experiments.

• To gather background information and understand previous findings.

• To immediately form a conclusion without further testing.

What process helps ensure the reliability of scientific papers before they are published?

• Public opinion polls

• Peer review

• Social media trends

• Editorial discretion only

What is the primary characteristic of a control group in an experiment?

• It receives a higher concentration of the treatment.

• It is the group that shows the most significant results.

• It does not receive the experimental treatment.

• It is used to manipulate the independent variable.

In an experiment, what are "constants" (also known as controlled variables)?

• Variables that are intentionally changed by the experimenter.

• Variables that are measured as a result of the experiment.

• Variables that are kept the same across all experimental groups.

• Variables that are unpredictable and cannot be controlled.

According to the DRY MIX mnemonic, where is the independent variable typically placed on a graph?

• On the Y-axis, as the responding variable.

• On the X-axis, as the manipulated variable.

• On the Y-axis, as the manipulated variable.

• On the X-axis, as the responding variable.