6th grade Unit 4 (PfISD)

Which is the definition of chemical property?

• a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
• any change that results in the formation of new chemical substances
• a property or characteristic of a substance that can be observed without changing the original identity of the substance
• any change that does not change the identity of the substance

Which is the definition of physical property?

• a property or characteristic of a substance that is observed during a reaction where the chemical composition of a substance is changed
• any change that results in the formation of new chemical substances
• a property or characteristic of a substance that can be observed without changing the original identity of the substance
• any change that does not change the identity of the substance

Which is an example of a chemical property?

• odor
• combustibility
• solubility
• all of the above

One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?

• evaporation; chemical change
• condensation; physical change 
• evaporation; physical change
• condensation; chemical change

What happens when water freezes?

• ice is formed; chemical property
• cold water is formed; physical change
• ice is formed; physical change
• cold water is formed; chemical change

Flammability is an example of what property?

• Chemical property
• Physical property

What type of property is the ability to combust?

• Physical property
• Chemical property

Freezing in to ice is an example of a

• physical change
• chemical change

Ability to rust is this type of property:

• Physical property
• Chemical property

Which is NOT a physical property?

• odor
• reacts with bleach
• sinks in water
• density