Phase Changes
Change from a solid to liquid.
What is melting?
A substance made up of only one type of atom.
What is an element?
Element or compound: NaCl
What is compound?
What is a solid?
Type of change that changes the composition of the substance.
What is a chemical change?
The reverse of condensation.
What is vaporization?
A mixture that appears to contain only one substance.
What is a homogeneous mixture?
Homogeneous or heterogeneous: Peanut Butter and Jelly Sandwich
What is heterogeneous?
State of matter with a indefinite shape and indefinite volume.
What is a gas?
During this type of change, a system absorbs energy from its surroundings.
What is endothermic?
The reverse of sublimation.
What is deposition?
A material made up of 2 more more elements joined in a fixed proportion.
What is a compound?
Physical Change or Chemical Change: slicing a banana.
What is physical change?
State of matter that is most common in the Sun and other stars.
What is plasma?
A substance like corn syrup has a high _____.
What is viscosity?
Solid to gas
What is sublimation?
Elements and compounds are this type of matter.
What is a pure substance?
Element or compound: Nb
What is an element?
State of matter with a indefinite shape and definite volume.
What is a liquid?
During this type of change, a system releases energy to its surroundings.
What is exothermic?
This is what happens to the temperature during a phase change.
What is stays the same?
This type of mixture has parts that are visibly different from one another.
What is a heterogeneous mixture?
Homogeneous or Heterogeneous: chocolate pudding
What is homogeneous?
State of matter that theoretically exists at absolute zero.
What is the Bose-Einstein Condensate (BEC)?
During this type of change, a material may change shape or size but not composition.
What is a physical change?