8.5E Chemical Reactions

A copper penny turning greenish after a few years is an example of...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

Which of the following could indicate a chemical change? 

• All of the answers could indicate Chemical Change 
• a color change has occurred 
• bubbles appear 
• properties are different after a reaction

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

How is a physical change different from a chemical change?

• There is absolutely no difference
• Chemical changes produce a new substance, physical changes stay the same substance
• Chemical changes create and destroy matter, physical changes don't
• Physical changes create and destroy matter, chemical changes dont

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a PHYSICAL change?

• Getting a haircut
• Rusty metal
• sour milk
• A compound

Tags

NGSS.MS-PS1-4

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

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

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

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

What is an example of a Chemical change?

• Ripped paper 
• boiled egg
• cracked egg
• sugar in water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5