Classification of Matter

Drag the labels to the positions that correctly complete the concept map.

a

b

c

d

e

f

Pure Substance

Heterogeneous

Homogeneous

Element

Mixture

Compound

Tags

NGSS.MS-PS1-1

A substance is

• either an element or a compound.

• always an element.

• a mixture of compounds.

• always a compound.

A _____ is a heterogeneous mixture that never settles.

• solution

• compound

• colloid

• suspension

A(n) ________ is a substance in which atoms of two or more elements are combined in a fixed proportion.

• element

• compound

• mixture

• colloid

Tags

NGSS.MS-PS1-1

A mixture in which different materials can be distinguished easily is called a ____________________ mixture.

• heterogeneous

• homogeneous

A change of one substance to another is a _______________ change.

• physical

• chemical

Tags

NGSS.MS-PS1-2

Classify each item as either a physical change or a chemical change.

Groups:

(a) Physical Change

,

(b) Chemical Change

• Vinegar reacts with baking soda

• Snow Melts

• Water freezes

• Shredding paper

• Paper burns

• Iron rusts

• Food spoils

• Breaking a glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which of the following is a chemical change?

• Glass bends as it is heated.

• Gas burns in an engine.

• Sugar dissolves in a cup of water.

• Water expands as it freezes.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A(n) _____ is a material made up of two or more substances that can be separated by physical means.

• compound

• mixture

• element

• substance

Table salt (NaCl) is an example of which type of material?

• colloid

• element

• compound

• mixture

Tags

NGSS.MS-PS1-1