Classification of Matter Review II

Which of the following is a pure substance?

• Pizza

• Tea

• Salt (NaCl)

• Air

Tags

NGSS.MS-PS1-1

Which of the following is a homogeneous mixture?

• Pizza

• Tea

• Salt (NaCl)

• Air

15 mL of a liquid is an example of an ______________ property.

• intensive

• extensive

Which of these is a chemical property?

• Melting point

• Boiling point

• Density

• Observed to react violently with another substance.

Tags

NGSS.MS-PS1-5

Which of the following describes a heterogeneous mixture?

• Milk

• Sugar dissolved in water

• Oxygen (O₂)

• Oil resting on top of vinegar in a container

The periodic table is an organizational tool used for:

• predicting properties of specific elements.

• classifying groups of elements.

• organizing like elements together.

• All of the above.

The modern periodic table arranges elements based upon:

• Increasing mass

• Increasing atomic number

• Color groups

• Alphabetized names of elements

Tags

NGSS.MS-PS1-1

The shaded portion of the periodic table represents __________ which is where __________ are located. (Hint: Choose two responses).

• substances

• mixtures

• elements

• metals

Some examples of physical properties include:

• Mass and weight

• Volume and density

• Color, shape, hardness, and texture

• All of the above

Which of the following is a chemical change?

• melting iron

• polishing a rock

• rusting iron

• breaking a rock into pieces with a hammer

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2