Matter: Lesson 3

Which of the following is a property that you can see?

• color

• hardness

• brittleness

• all of the above

The property reflectivity describes how

• easily a material can get scratched.

• much light bounces off a material.

• difficult it is to shape an object.

• all of the above

Tags

NGSS.MS-PS4-2

A difference between copper and plastic is that copper has a much higher

• brittleness.

• solubility.

• reflectivity.

• electrical conductivity.

Which of the following properties is an example of a substance changing into a new substance?

• wood that is burned

• gold that is scratched

• iron pyrite that is broken

• sugar that is dissolved

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following properties is NOT useful for identifying colorless liquids?

• Shape

• Color

• Solubility

• Electrical conductivity

Which property refers to how well a substance can conduct electricity?

• Thermal conductivity

• Electrical conductivity

• Reflectivity

• Hardness

Tags

NGSS.HS-PS2-5

Which property describes how shiny a substance is?

• Reflectivity

• Hardness

• Solubility

• Shape

Which property is related to how well a substance can transfer heat?

• Electrical conductivity

• Thermal conductivity

• Solubility

• Shape

Tags

NGSS.MS-PS3-3

Fred is building a machine in his garage. Which would be the best paternal for him to use if he wants his machine to have both high thermal and electrical conductivity?

• glass

• copper

• wood

• plastic

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Your teacher has asked you to set up an experiment in order to identify a substance. What tests can you try in your experiment to identify a substance? Include at least 3 tests and explain which property each is testing.

Answer explanation

Color: observe the color of the substance to see if you recognize it.

Hardness: scratch the substance with your pencil.

Brittleness: try to shape/crumble the substance

Reflectivity: shine a flashlight on the substance

Tags

NGSS.MS-PS3-4