Nature of Science Review

Which of the following is NOT a goal of science?

• to investigate and understand the natural world

• to explain events in the natural world

• to establish a collection of unchanging truths

• to use derived explanations to make useful predictions

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

• a conclusion

• a hypothesis

• an experiment

• an analysis

What is the most important reason to communicate the results of scientific experiments to peer review?

• So that others can further validate the research and confidently use this new information in other research.

• To get recognition and awards for the new discoveries made.

• So that others can point out sources of error to invalidate the research.

• To receive invitations to talk at different conferences and publish in different journals.

A Theory can become a Law

• True

• False

A Law explains the:

• "why" it happened

• "what" happened

• "when" it happened

• "where" it happened

A student wants to find out more information about global warming. Which would be the most reliable source to use?

• A newspaper article

• A peer-reviewed article

• An anonymous blog

• Wikipedia

A scientific law and a scientific theory are similar in that both

• are based on what we expect to happen based on natural history.

• describe the events that can be observed in nature.

• explain how and why events and conditions occur as they do in the natural world.

• represent a large body of scientific investigation and evidence.

Which sentence best describes a scientific theory?

• It can never change.

• It should change every time it is tested.

• It is well-tested and explains a wide range of observations.

• It can be proven all the time.

A student wanted to know if chlorine would stop algae from growing in water. The test tubes below were left at room temperature for a week to see if algae would grow. Which of the test tubes is the control?

• A

• B

• C

• D

A student wanted to know if chlorine would stop algae from growing in water. The test tubes below were left at room temperature for a week to see if algae would grow. Which of the following is the dependent variable?

• Algae growth

• Chlorine

• Water

• Test Tubes