Unit One Test Review - Scientific Method & Characteristics of Life

What is the next step in the scientific method after you identify a question that needs to be answered?

• carry out an experiment

• make observations

• define the problem

• form a hypothesis

What is the first step of the scientific method?

• define the problem/ask a question

• gather additional information

• form a hypothesis

• make a graph

Which of the following best defines homeostasis?

• Not a property that all living things have in common.

• The regulation of an organism's internal environment.

• Any condition to which an organism can react.

• The sum of all chemical reactions taking place in one's environment.

Tags

NGSS.HS-LS1-3

_________________ is the chemical reactions through which a living thing breaks down materials.

• Homeostasis

• Hypothesis

• Metabolism

• Digestion

Tags

NGSS.MS-LS1-7

The dependent variable should be placed on which axis of a graph?

• X

• Y

• Z

• At the top with the title

The independent variable should be placed on which axis of a graph?

• X

• Y

• Z

• At the top with the title

An inference is a statement . . . .

• based on what someone actually sees

• based on fact

• a problem that may be solved

• a test of a hypothesis

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

A constant or controlled variable is one which

• must be included in an experiment so as to add the element of human error.

• is undesirable and adds a source of error to the experiment.

• is a type of second independent variable which allows one to test multiple effects in a single experiment.

• is kept consistent between the two groups being compared.

Tags

NGSS.MS-PS2-2

The solution in the beaker is colorless. This is considered a(n) . . .

• qualitative observation

• quantitative observation

• inference

The mass of the object is 76.5 g. This is considered a(n) . . .

• qualitative observation

• quantitative observation

• inference