Grade 10 Science methodology

Information gathered from observing a plant grow 3 cm over a two-week period is called

• inferences

• variables.

• hypotheses.

• data.

Based on your observations, you suggest that the presence of water could accelerate the growth of bread mold. This is

• Conclusion

• Hypothesis

• experiment

• analysis

A scientific hypothesis

• can be based on personal beliefs or opinions.

• can be tested by experiments or observations.

• does not have to be tested to be accepted as correct.

• is a proven fact with much evidence to support it.

During a controlled experiment, a scientist isolates and tests

• a conclusion.

• a mass of information.

• a control group.

• a single variable.

Suppose that a scientist proposes a hypothesis about how a newly discovered virus affects humans. Other virus researchers would likely

• reject the hypothesis right away.

• change the hypothesis to fit their own findings.

• design new experiments to test the proposed hypothesis.

• assume that the hypothesis is true for all viruses.

The work of scientists usually begins with

• testing a hypothesis.

• careful observations.

• creating experiments.

• drawing conclusions.