Properties and Changes

Chewing food to break it down into smaller particles represents a _________ change, but the changing of starch into sugars by enzymes in the digestive system represents a ___________change. 

• Chemical then Physical 
• Physical then Chemical
• Both Physical
• Both Chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

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

Which of the following is a physical property?

• melting point
• flammability
• ability to rust

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties
• liquid properties
• real properties

Tags

NGSS.MS-PS1-2

Which of the following properties is a physical property?

• magnetism
• reaction
• flammability
• combustion

Solubility is the

• ability to be scratched
• ability to be hammered into thin sheets
• how shiny it is
• ability to dissolve

Dissolving sugar in water is an example of this type of change

• Chemical Change
• Physical Change

Ability to rust is this type of property:

• Physical property
• Chemical property

Tags

NGSS.MS-PS1-2

Which of the following is a chemical property?

• combustion
• texture
• volume
• magnetism

Tags

NGSS.HS-PS1-2

What is the definition of chemical change?

• any change that results in the formation of new chemical substances. 
• changing of only the appearance of the object
• 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-PS1-5