I Ready Unit 1B: Concept Check: Physical Prop. of Matter 3.5C

Which of these materials would be good insulators of electricity?

Select TWO correct answers.

• Gold

• Glass

• Silver

• Wood

• Iron

A material that has definite volume but no definite shape is classified as a --

• solid

• liquid

• gas

• not here

Which physical property is measured rather than tested?

• floating in water

• solubility

• magnetism

• mass

The objects have all of the following properties in common EXCEPT--

• they all conduct electricity

• they all sink in water

• they are all magnetic

• they are all solids

Students drop several objects into a tank of water. Which objects are less dense than water?

Choose TWO correct answers.

Which substance is NOT soluble in water?

• powdered drink mix

• sugar

• salt

• sand

During a science investigation, a student determined how objects could be classified.

Based on the properties, which of the following materials has the same physical properties as Object B?

• Iron nail

• salt

• sand

• penny

What evidence in the picture proves ice has less density than water?

• The water has more buoyancy than the ice cubes.

• The ice cubes are floating in the water.

• The ice cubes are resting at the bottom of the glass.

• The ice cubes are melting and becoming a liquid.

After performing a lab investigation about solubility, what is an appropriate choice for conserving resources?

• Throw dirty beakers in the trash.

• Wash and store beakers for future use.

• Save any unused food products to eat.

• Leave all lab materials for other group members to put away.

The table shows how a student sorted objects by properties.

Whay physical property do the objects in Group 1 have in common.