Classifying Matter

Which of these materials would NOT be a good insulator of electricity?

• Glass

• Plastic

• Metal

• Wood

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

• gas

• solid

• liquid

• not here

Which physical property is measured rather than tested?

• Solubility

• Magnetism

• Density

• Mass

Which substance is NOT soluble in water?

• Sugar

• Sand

• Salt

• Powdered mix

After performing a lab investigation about solubility, which of these procedures 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

• Leave all materials on top of the desk

Which physical property is used to identify the ability to dissolve?

• Conductivity

• Magnetism

• Solubility

• Density

When an object sinks is because the object is

• less dense than water

• more dense than water

Students are working to find the mass of a hand lens. Which of the following tools should be used to measure mass?

• Graduated Cylinder

• Triple Beam Balance

• Thermometer

• Ruler

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

• The water has more buoyancy that 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

Four students sort materials into two groups: Conductor and Insulators.

Which student correctly sorted the materials?

• Student 1

• Student 2

• Student 3

• Student 4