Phase Changes
Determines which is harder based on which scratches the other.
What is hardness?
The starting material in a chemical reaction.
What is reactant?
What is an element?
A substance that can not be broken down any smaller.
What is chemistry?
What is the study of matter and how it changes?
Liquid to gas
What is evaporation?
Tendency of a liquid to resist flowing
What is viscosity?
Chemical reactions that release energy.
What is Exothermic?
What is a compound?
A substance that is made up of two or more elements.
What are 3 things that are non-matter?
What is light, sound, and electricity?
Gas to liquid
Something that allows heat to flow.
What is conductivity?
Chemical reaction that absorbs energy
What is Endothermic?
What is an example of an Element?
What is on the periodic table?
What is an example of a pure substance?
Anything that always has the same composition and properties.
Solid to Gas
What is sublimation?
Ability to be shaped and not break
What is malleability?
What are the 5 physical changes that occur
What is shape, color, texture, dissolving, and phase?
What is a molecule?
Made up of different elements and/or compounds
What is considered a pure substance?
Matter that always has the same composition and properties.
Gas to solid
What is deposition?
The property of letting light pass through something
What is transparency?
What are the 5 chemical changes?
What is color change, odor change, release of heat, gas is created, formation of precipitate - liquid turning solid (cottage cheese)
What is a mixture?
A combination of two or more pure substances.
What is matter?
What is any substance that has mass and volume (Take up space)?