Changes/ Properties Lecture and LAB review

The ability of a substance to dissolve in another substance

• solubility

• viscosity

• reactivity

A property of matter that can be observed with the senses without changing the matter’s identity (often a change in form or appearance)

• nonreactivity

• chemical property

• physical property

A property of matter that involves a reaction (& the creation of a new substance)

• chemical property

• physical property

• oxidation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The ability of a substance to burn

• oxidation

• flexibility

• flammability

Identify which of the following is a Physical Change:

• Freezing kool-aid into a popscicle

• Burning a matchstick

• Baking cake batter into a cake

Identify which of the following is a Chemical Change:

• Dissolving sugar in hot tea

• Trimming the hedges

• Milk turning sour

Tags

NGSS.MS-PS1-2

Which of the following is a Physical Change?

• Photosynthesis

• Chewing bubble gum

• Fireworks exploding

Which of the following could cause a Physical Change in a raw egg?

• Fry it in a pan

• Drop it on the floor

• Boil it in water

• Soak it in vinegar until the shell dissolves

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Water evaporating from a pot is a _____________ change.

• physical

• chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following tells you that a chemical change may have occurred?

• Change Shape
• Melting
• Vaporizing
• Change in color

Tags

NGSS.MS-PS1-2