Tools of Env. Science Test Review I

Conclusions are always obvious.

• True

• False

Scientists rely on imagination and creativity.

• True

• False

Tags

NGSS.MS-ETS1-4

A statement of phenomenon of nature that occurs when certain conditions are met every time.

• Fact

• Law

• Theory

• Hypothesis

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-5

Which of the following is an example of bad scientific practices?

• not using a control group

• using only data that supports your hypothesis

• using a sample population too small

The procedure used by scientists to find a cause and effect relationship is the ________.

• model synthesis

• standard deviation

• correlation method

• experimental method

Tags

NGSS.MS-PS1-2

The classification and collection of data that are in the form of numbers is called

• distribution.

• statistics.

• mean.

• probability.

When it is sometimes impossible to use experiments, scientists can use ___________ to test predictions and gather evidence.

• observations

• variables

• correlations

• control groups

Which of the following is an example of a fact?

• If it snows, there is no school.

• Roads begin to ice at 34°.

• It is cold outside.

• North Carolina is a warm state.

In an experiment, the factor of interest is called the

• variable.

• experimental group.

• hypothesis.

• control group.

Tags

NGSS.MS-PS1-2

Scientists use statistics to

• analyze data.

• graph data.

• communicate ideas to each other.