Unit 1 Test Review

Evidence of Chemical Change.

• New Substance 
• Size change
• State change
• Mixture 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Evidence of a physical change.

• New substance
• Shape Change
• Light produced
• Gas released.

Tags

NGSS.MS-PS1-4

A characteristic that can only be determined by changing the identity of an object. 

• Physical Change
• Chemical Change
• Chemical Property 
• Physical Property 

Tags

NGSS.MS-PS1-2

A characteristic that can be observed or measured without changing the composition of the substance. 

• Physical change
• Chemical change
• Chemical Property
• Physical Property

Sugar is dissolved into Kool Aid. What type of change is this? 

• Chemical 
• Physical 
• Multi
• Asystematic 

Tags

NGSS.MS-PS1-2

Which change describes a substance that changes shape, form, or appearance but is still the same substance?

• physical change

• chemical change

What happens when a new substance is produced during a reaction?

• chemical change

• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

• Texture
• Temperature
  
• Shape
•  Mass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

A change where one or more new substances are created.

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5