Physical Change and Properties #1

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

which one is the definition of chemical property?

• a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
• any change that results in the formation of new chemical substances
• combustibility

Tags

NGSS.MS-PS1-2

what is the definition of physical change?

• any change that results in the formation of new chemical substances. 
• rusting
• changes affecting the form of a chemical substance, but not its chemical composition.
• any property that is measurable, whose value describes a state of a physical system

what is condensing?

• physical property
• chemical property
• chemical change
• physical change

Tags

NGSS.MS-PS1-4

One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?

• evaporation; chemical change
• condensation; physical change 
• evaporation; physical change
• condensation; chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

what happens when water freezes?

• ice is formed; chemical property
• cold water is formed; physical change
• ice is formed; physical change
• cold water is formed; chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

melting is a chemical change

• true 
• false

Tags

NGSS.MS-PS1-4

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

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

All of the following are Physical Properties EXCEPT:

• Texture

• Mass

• Elasticity

• Burning

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk