Review Unit 1: Classifying Physical Properties of Matter

Which property displayed in the table cannot be used to classify the objects into more than one group?

• magnetism

• relative density

• solubility

• physical state

What's the difference in grams between the total mass of the solid substances & the total mass of the liquid substance?

• 33 grams

• 19 grams

• 14 grams

• 52 grams

Name one solid object less dense than a copper block using evidence from the table.

• wood block

• sugar cube

• olive oil

• honey

Using evidence from the table, which properties could be used to classify the substances into two groups?

• physical state & solubility

• physical state & magnetism

• mass & magnetism

• mass & solubility

Which material from the table would best insulate electrical wires?

• wood

• copper

• steel

• plastic

Name two materials from the table that are more dense than water.

• copper & steel

• wood & steel

• copper & plastic

• plastic & wood

Why would a baker use gloves to remove a steel baking sheet from the oven?

• steel is a conductor - to protect his hands from being burned

• steel is a conductor - to protect his eyes from a possible splash

• steel is an insulator - to allow the heat to transfer to his hands

• steel is an insulator - to protect his feet from a spill

Which mixtures include at least one substance that experienced a change in their physical properties?

• 3, 4, and 5

• All of them

• 1, 4, and 5

• 2, 3, and 5

What physical property of the water changed when mixed with lemon juice?

• taste or color

• mass or volume

• thermal conductivity & relative density

• mass & magnetism

What physical property of salt remains that same when added to water?

• taste

• color

• size

• texture