Lesson 1: Matter: Properties and Changes

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Tags

NGSS.MS-PS1-4

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Tags

NGSS.MS-PS1-1

Front

What is a compound?

Back

A compound is a substance formed when two or more 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 the chemical formula for water?

Back

H₂O.

Tags

NGSS.MS-PS1-1

Front

What does the term 'molecular compound' refer to?

Back

A molecular compound is a compound formed by the sharing of electrons between nonmetal atoms.

Tags

NGSS.MS-PS1-1

Front

What is the difference between an element and a compound?

Back

An element is a single type of atom, while a compound consists of two or more different types of atoms chemically bonded.

Front

What is the significance of the periodic table?

Back

The periodic table organizes all known elements based on their properties and atomic structure.

Tags

NGSS.HS-PS1-1

Front

What is an example of a molecular element?

Back

An example of a molecular element is O₂ (oxygen gas).

Tags

NGSS.MS-PS1-1