9th Grade Midterm - Review

Front

Which fluid has the highest viscosity?

Back

Honey has the highest viscosity among the options provided.

Front

What is a substance that contains only one type of atom?

Back

An element is a substance that contains only one type of atom.

Front

How many protons does Copper have?

Back

Copper has 29 protons.

Front

What happens when an atom loses an electron?

Back

It becomes a positively charged ion.

Front

What is the variable that is measured in an experiment?

Back

The dependent variable is what is measured in the experiment.

Tags

NGSS.MS-PS1-2

Front

What is viscosity?

Back

Viscosity is a measure of a fluid's resistance to flow.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Tags

NGSS.MS-PS1-5

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.