Topic 1: Properties & Changes of Matter Test Review

Which of the following is evidence of a chemical change?

• Melting Ice

• Boiling Water

• Color Change

• Breaking Glass

Tags

NGSS.MS-PS1-2

What does the formation of bubbles mean?

• A chemical reaction is happening

• It could be a physical or chemical change

• It means thermal energy is lost

• It means a precipitate has formed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

If two clear liquids are mixed and a yellow solid forms, what happened?

• a) a physical change

• b) a chemical change

• c) a state of matter change

• d) no change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is a pure substance?

• Salt

• Air

• Trail Mix

• Lemonade

Tags

NGSS.MS-PS1-4

A bowl of cereal with milk is an example of a:

• Pure Substance

• A homogenous mixture

• a heterogenous mixture

• an element

Which best describes a solution?

• A mixture with visible parts

• A mixture evenly mixed particles

• A new substance with different properties

• A type of element

Which of the following is a metal?

• Oxygen

• Sulfur

• Iron

• Carbon

Which of the following are a property of metalloids?

• Always shiny and good conductors

• Always dull and brittle

• Have properties of both metals and nonmetals

• Cannot be found on the periodic table

Rare earth metals are important because________

• They are found in all foods

• They are used in electronics and green energy

• They are always gases at room temperature

• They are not useful in modern life

Tags

NGSS.MS-ESS3-1

A golf ball sinks in water while a ping-pong ball floats. Why?

• The golf ball has more mass

• The golf ball is denser than water

• The ping-pong ball is denser than water

• Bigger objects always sink