Physical Change
What are some examples of physical change?
Water boiling, water freezing, ice melting, etc...
This is used to show how much space an object takes up.
What is mass?
This is the ability to work or cause change.
What is energy?
Give an example of chemical change
What is when peroxide is poured on a cut on your skin
True or False
Physical change is a change in appearance
This state of matter occurs when you boil water.
What is gas?
This is the measure of the average energy of the random motion of particles of matter.
What is the temperature?
True or false
in chemicals, substances are made.
What is true
True or False
Chemical change can be reversed, physical change cannot
False other way around
Atoms never change in mass, true or false.
What is true
This is the total energy of all of the particles in an object
What is thermal energy?
True or false
Atoms are NOT rearranged in a chemical change
What is false
What is it called when a solid turns to a gas?
Sublimation
These are the main three states of matter.
What are solid, liquid, and gas?
This a chemical reaction
What is the endothermic change?
What does a chemical change do?
what is chemical change happens when one chemical substance is transformed into one or more different substances.
What is it called when a gas turns into a liquid?
Condensation
Liquid changing to gas is this form of change.
What is chemical.
This releases energy.
What is the exothermic change?
is sour milk a form of chemical change
Yes