You use these to help you identify the physical properties.
What are YOUR 5 SENSES?
Is baking soda and vinegar an example of a physical change?
What is NO? When you mix baking soda and vinegar, bubbles form, which indicates a chemical change as taken place.
Name at least two indicators of a chemical change.
What are color change, bubbles, heat or light released, precipitate formed, hard to reverse?
Name 2 physical properties of table salt.
What is solid, white, crystal, odorless, etc.
Explain how iron fillings and sand can be separated using physical properties.
What is iron is magnetic and sand is not, so you can use a magnetic wand to separate the two substances?
CHALLENGE (not a quiz question): Explain if the water cycle an example of a physical change.
What is YES, it is a physical change, because water changes from a liquid/solid when it precipitates, to a gas when it evaporates, then forms back into a liquid when it condensates. Then the process repeats again with the same substance, WATER!
CHALLENGE (not a quiz question) Explain how a rocket launch is an example of a chemical change.
What is the fuel combines with another chemcial to produce large volumes of a hot gas that propel the rocket into space?
CHALLENGE Name one unique physical property that can be used to identify an unknown substance.
What is density?