Nature of Science Review

The number of variables being tested in a controlled experiment is _______________.

• 1

• 3

• It depends on the experiment.

• Unlimited

Scientists use prior experience to __________

• collect and analyze data

• make predictions about what will happen under certain circumstances

• serve as a control in their experiments

• create a scientific law

The independent variable in for "What type of dish detergent cleans more grease off of dishes"?

• method of cleaning

• amount of grease

• same type of grease, same type of dish

• type of dish detergent

This step to solve a problem must be completed last.

• Problem

• Data analysis

• Conclusion

• Hypothesis

This step to solve a problem must be completed first.

• identify the problem

• analyze data

• hypothesis

• research

Tags

NGSS.MS-ETS1-1

A hypothesis must be

• written as a question

• supported

• testable

• first in the scientific method

A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ____.

• independent variable

• dependent variable

• constant

• control

The variable that never changes

• independent variable

• dependent variable

• constant

• control

The variable that is tested or changed.

• independent variable

• dependent variable

• constant

• control

Tags

NGSS.MS-PS2-2

The specific steps that are followed in an experiment so that it can be replicated are called this.

• data

• procedure

• graph

• research plan