Chemistry Unit 1 Test Review

On a chemical hazard label, the number four (4) on a blue label indicates a ____ risk.

Universal indicator changes color in the presence of:

The variable that is deliberately changed by the scientist is the:

The color white on a chemical hazard label indicates a ___ hazard.

Who created the Periodic Table of Elements?

The amount of matter contained in a given space is called:

Who is considered the founder of modern chemistry?

The discipline of science that studies substances and how they interact with other substances.

Four sub steps in the scientific method, in order, under Experiment are:

The part of the lab burner where the air and gas are mixed.

List the four MAJOR steps, in order, of the process used to study natural phenomena.

Who invented carbonation?

What does the color red on a chemical hazard label indicate?

A ___ is an explanation for observed behavior of matter and has been tested many times.

Where is the hottest part of a burner flame?

The variable that is observed during the experiment is the:

How is Mosely's periodic table of elements arranged?

A ___ is a statement of a generally observed behavior. Can also predict what will happen.

What elements did the female scientist, Marie Curie, discover?

The study of substances and how they interact with other substances.

In this kind of experiment, only one variable is changed at a time.

What does MSDS stand for?

Combustion requires:

Who discovered oxygen?

What gas did Davy test that was nicknamed "laughing gas"?

A possible explanation for a set of observations.

The factors in an experiment that can be changed are called?

A series of steps used to solve a problem or answer a question.

Qualitative observations are all of these except:

The products of combustion include:

Quantitative observations are all of these except:

A __ shows "what" happens while a(n) ___ explains "why" it happens.

On a chemical hazard label, the number __ is the most serious and __ is the least serious.

Which element was Henning Brand trying to make in 1609?

The process of studying natural phenomena.

The color yellow on a chemical hazard label indicates a ___ hazard.

The color blue on a chemical hazard label indicates a ___ hazard.

A ___ is used for comparison.