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-ESS2-4

NGSS.MS-PS1-4

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