Nature of Science Review

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

A hypothesis must be

• written as a question

• supported

• testable

• first in the scientific method

The variable that never changes

• independent variable

• dependent variable

• constant

• control

The variable that is tested or changed.

• independent variable

• dependent variable

• constant

• control

A set of statements or principles devised to explain a group of facts or phenomena, repeatedly tested or widely accepted and which and can be changed or discarded as new information becomes available is a _______.

• theory

• law

• hypothesis

• procedure

After scientists get accurate and reliable results from their experiments they draw a conclusion, then they do this.

• analyze the results

• communicate results to others

• reproduce the experiment

• assimilate the data

Variable that is on the "x" axis.

• control variable

• dependent variable

• independent variable

• constant

A procedure carried out to carefully observe, study, or test something in order to learn more about it.

• science

• investigation

• evidence

• opinion

The study of the natural world; involves making observations and performing investigations.

• science

• investigation

• opinion

• evidence