PS - Chapter 2 Test Review

The definition of matter is _____

• Anything that can be seen and touched

• Anything that has mass & occupies space

• Anything that can be weighed

• Anything that contains kinetic energy

The smallest unit of matter is a(n) ______.

• Element

• Molecule

• Atom

• Compound

Which of the following is made of two different atoms chemically combined?

• Element

• Molecule

• Compound

• Matter

Unlike a mixture, a pure substance has

• Atoms

• Molecules

• A specific size

• A fixed composition (identity)

The science of what matter is made of and how it reacts is

• Chemistry

• Kinetics

• Physics

• Engineering

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

NGSS.MS-PS1-1

A substance that cannot be broken down into a simpler substance is a(n) ________

• Molecule

• Mixture

• Element

• Heterogenous

You put a spoonful of sugar into water & stir. The resulting liquid is an example of a ________

• Pure substance

• Homogenous mixture

• Heterogenous mixture

• Immiscible mixture

Knowing the chemical properties of a substance will tell you how the substance

• Looks

• Can be broken down into atoms

• Smells

• Reacts with other substances

Tags

NGSS.MS-PS1-5

A mixture of flour and water is called ______ because it does not mix / dissolve.

• Miscible

• Immiscible

A mixture of salt and water is called ______ because it does mix / dissolve.

• Miscible

• Immiscible