Grade 7 Review

Which of the following is NOT an example of a model?

• drawings

• question

• mathematical representations

• diagrams

What is the difference between a collection and a system?

• The parts in a collection interact.

• The parts in a system interact like the parts in the collection.

• The parts in a system work together.

• The parts in a system act independently.

Which best describes a possible answer to a question or solution to a problem?

• explanation

• evidence

• reasoning

• claim

What is considered the foundation of the scientific method?

• solving problems

• making observations

• communicating results

• asking questions

What should you do if the results of an experiment turn out differently from what you expected?

• you need to redo your experiment until you get the expected result

• assume the experiment was a failure

• determine you didn't follow the scientific method

• you should explore the possible reasons for this when you analyze your results

Which statement best applies to a scientific law?

• answers a “how” questions

• describes what will happen sometimes in the natural world

• includes Einstein's theory of relativity

• answers a “why” question

What is a scientist doing when they share their findings with other scientists?

• hypothesizing

• theorizing

• experimenting

• communicating

Which of the following is NOT a part of the scientific method?

• Guessing

• experiment

• Observation

• Conclusion/Data Analysis

Which statement best applies to a scientific theory?

• widely accepted and supported by a great deal of evidence

• tested and shared by one person

• arrow in its description and few scientists support this idea

• tested once

What is the factor in an experiment that is being changed?

• dependent variable

• hypothesis

• independent variable

• control