Properties/Changes of Matter

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

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

• Physical
• Chemical

Melting point

• Physical Property
• Chemical Property

Tags

NGSS.MS-PS1-4

Flammability (burns)

• Physical Property
• Chemical Property

Tags

NGSS.MS-PS1-2

Density

• Physical Property
• Chemical Property

Example for Physical property

• Odor
• burns in air

A change in which the form or shape of a substance changes but the chemical makeup of the substance remains the same.

• chemical change
• reaction
• physical change
• solution

Physical or chemical change?
sugar is dissolved into hot tea

• Physical
• Chemical

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

• Physical
• Chemical

How do you identify an element?

• It is made of only one type of atoms

• It is made of different type of atoms

• It can be found on the Periodic Table

• It is represented by a chemical symbol