Physical and Chemical changes

Question 1

What is a physical property? Give one example and why.

Answer 1

A physical property is a property used to describe a characteristic about objects or substances.
Example: Luster because luster is the ability of an object to reflect light and shine

Question 2

What is a chemical property? Give one example and why.

Answer 2

A chemical property is a property that describes a characteristic that is observed during a chemical reaction.
Example: Flammability because it’s the ability of an object to burn and that’s a chemical change.

Question 3

What’s an identifying/characteristic property? Give 2 examples and explain why.

Answer 3

A property that doesn’t change no matter what size the object or substance is.
Example: Density and solubility

Question 4

What is a chemical change? Give one example and why.

Answer 4

A chemical change is when something goes through a transformation where is results in a totally new substance with new properties.
Example: Burning wood because it turns into ash.

Question 5

What is a physical change? Give one example and why.

Answer 5

A physical change is when something goes through a transformation but when it’s done it is still that object but it could be in a different state of matter.
Example: Melting an ice cube because it turns into water which is just like ice but not frozen.