Properties of matter and change

Which of the following is a physical property of matter? 

• Flammability
• Reactivity
• Solubility
• Combustability 

Physical or chemical change?
cutting a piece of paper in half

• Physical
• Chemical

Physical or chemical change?
a sliced banana turns brown after sitting out for a while

• Physical
• Chemical

Physical or chemical change?
sugar is dissolved into hot tea

• Physical
• Chemical

Physical or chemical property?
density

• Physical
• Chemical

How are physical and chemical properties different?

• Chemical properties only apply to chemicals. Physical properties apply to everything.
• Chemical properties are only observable as the substance is changing. Physical properties are easily observed or measured.
• Chemical properties are easy to reverse, and physical properties cannot be reversed. 

Over time, pure silver that is exposed to air turns a strange greyish brown color. This is an example of a ________________ change. 

• Physical
• Chemical

Name that physical property!
the ability of a substance to be hammered into thin sheets

• Thermal conductivity
• Ductility
• Solubility
• Malleability

Name that physical property!
The ability of a substance to be pulled into thin wires

• Thermal conductivity
• Ductility
• Solubility
• Malleability

What is the main evidence that a chemical change has occured?

• Change of color

• Production of Bubbles

• Production of Fire

• A new substance is produced