5.5A Physical Properties of Matter

Which set of items are less dense than water?

• plastic paper clip, penny, and cork

• toothpick, metal spoon, and plastic paper clip

• metal spoon, vegetable oil, and penny

• toothpick, cork, and vegetable oil

Based on their properties, which object is most likely a metal?

(a)  

Which two objects are most likely less dense than water?

(a)  

A teacher wears protective gloves to lift a metal pan filled with boiling water from a hot plate. Why are the protective gloves necessary?

• The metal pan creates thermal energy

• The metal pan insulates thermal energy

• The metal pan conducts thermal energy

• The metal pan reduces thermal energy

Which of these is the best conductor of electricity?

• glass rod

• cotton string

• plastic tube

• copper penny

Which table correctly shows the physical properties of these ingredients when placed in hot water?

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Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Based on the table, which material would be best to use to insulate electrical wires?

(a)  

Tags

NGSS.MS-PS1-2