Physical Science Classifying Matter

The smallest unit of an element that maintains the properties of that element is a(n)

• molecules

• atom

• substance

• compound

Solids, liquids, and gases are three forms of matter that

• take up space

• have mass

• are made of atoms

• all of the above

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

Which of the following is not a pure substance?

• element

• molecule

• compound

• mixture

Which of the following is an element?

• salt

• iron

• nylon

• sand

A group of atoms that acts as a unit is called a(n)

• mixture

• molecule

• element

• compound

Tags

NGSS.MS-PS1-1

Water is an example a (n) _______________.

• mixture

• element

• compound

• molecule

Tags

NGSS.MS-PS1-1

Matter is defined as anything that

• can be seen and touched

• has mass and takes up space

• can be weighed

• contains kinetic energy

Tags

NGSS.MS-PS1-5

The different substances in a mixture

• keep their properties

• combine chemically

• form new molecules

• cannot be separated

Which of the following is made up of at least two different types of atoms?

• element

• molecule

• compound

• mixture

Unlike a mixture, a pure substance has

• atoms

• molecules

• a specific size

• a fixed composition