Chemical Reactions

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

Is glass breaking a chemical or phyiscal change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

Is bleaching your hair a physical or chemical change?

• physical
• chemical

Tags

NGSS.MS-PS1-2

Which of the following IS a chemical change

• using chalk
• water freezing
• slicing cheese
• digestion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A change in the size, shape, or state of matter.

• chemical change
• physical change
• chemical reaction
• electron change

Tags

NGSS.MS-PS1-4

A physical changed is a change in:

• the appearance of a substance. 
• the chemical composition of a substance. 
• the way a substance is created. 
• a chemical reaction between two substances.

Tags

NGSS.MS-PS1-4

what is the definition of chemical change?

• any change that results in the formation of new chemical substances. 
• changing clothes
• matter cannot be created or destroyed, only change form
• changes affecting the form of a chemical substance, but not its chemical composition.

Tags

NGSS.MS-PS1-2

Flammability is an example of what property?

• Chemical property
• Physical property

Tags

NGSS.MS-PS1-2

Which is an example of a physical property?

• ability to react with acid
•  state of matter
• flammability
• ability to react with oxygen

Physical properties are

• properties that can be observed without changing the identity of the substance
• properties that describe how a substance changes into a completely different substance

Tags

NGSS.5-PS1-3