Physical And Chemical Change

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

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

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Freezing Juice?

• Physical Change
• Chemical Change

A change where one or more new substances are created.

• Physical Change 
• Chemical Change 

Which process is an example of a physical change?

• Ice melting

• Milk souring

• metal rusting

• wood burning

Tags

NGSS.MS-PS1-4

Which process is an example of a physical change?

• Cutting Carrots into pieces and mixed in a salad

• A peanut butter and jelly sandwich being digested

• Sodium metal and water combining to form a compound and a gas

• Sodium metal and chlorine gas combined to form table salt

Which process is an example of a physical change?

• paper burning to ash

• dough being baked into bread

• apple juice turning into vinegar

• rock being crushed into gravel

Marco tears a piece of notebook paper into smaller pieces. this is a ?

• A change in mass

• A physical change

• A chemical change

• A change in energy

A _____________________ is a change that affects one or more physical properties of a substance.

• feature

• physical change

• chemical change

• variable

True or False: Chemical changes and Chemical Properties are the exact same thing.

• True

• False