Physical Property
Define physical property of matter.
What is a characteristic of a substance that can be observed without changing the substance into another substance?
Define a chemical property.
What is a characteristic that gives a substance the ability to undergo a change that results in a new substance?
The temperature at which water changes to a solid (ice).
What is 0 degrees Celsius? or 32 degrees Fahrenheit?
Frying an egg is a _______ change.
What is a chemical change?
What is needed to cause a chemical reaction?
What is thermal energy?
The physical state of matter depends on it's...
Temperature and/or pressure
Name three chemical properties.
What are burning, rusting, tarnishing, reactivity, etc.?
A common physical change. Caused by thermal energy addition or reduction.
What is a change in state of matter?
Wood rotting is an example of a ____________.
What is a chemical change?
Compounds on the right of a chemical reaction are called...
What are products?
These are the four main states of matter.
What are solid, liquid, gas, and plasma?
The substance that is formed when metal reacts with oxygen and water.
What is rust?
An important characteristic of identifying physical changes.
What is: physical changes are most often reversible.
Mowing the lawn is an example of a...
What is a physical change
Does an endothermic reaction absorb or exude heat? Give an example
What is absorbs heat? Ice melting
The temperature at which water turns into a gas.
What is 100 degrees Celsius?
Evidence from the chemical reaction of vinegar and baking soda.
The name for which a liquid becomes a gas.
What is boiling point?
Name an example of a chemical change.
What is an apple turning brown, rust, burning something, tarnishing, etc.?
Define the law of conservation of mass.
What is mass can neither be created nor destroyed?
Composed of a fixed ratio of different substances.
What is a compound?
The chemical change that occurs when silver reacts with sulfur in the air, producing a grayish-brown film.
What is tarnishing?
What are reactants?
Give an example of a physical change...
What are: painting something, crumpling paper, cutting hair, etc.
Does an exothermic reaction absorb or exude heat? Give an example
What is exudes heat? Campfire