Phase Changes
Chem/Phys Properties
Chem/Phys Changes
Elements, compounds, molecules
Classifying matter
100
Solid to liquid
What is melting?
100

Determines which is harder based on which scratches the other.

What is hardness?

100

The starting material in a chemical reaction.

What is reactant?

100

What is an element?

A substance that can not be broken down any smaller.

100

What is chemistry?

What is the study of matter and how it changes?

200

Liquid to gas

What is evaporation?

200

Tendency of a liquid to resist flowing

What is viscosity?

200

Chemical reactions that release energy.

What is Exothermic?

200

What is a compound?

A substance that is made up of two or more elements.

200

What are 3 things that are non-matter?

What is light, sound, and electricity?

300

Gas to liquid 

What is condensation?
300

Something that allows heat to flow.

What is conductivity? 

300

Chemical reaction that absorbs energy

What is Endothermic?

300

What is an example of an Element?

What is on the periodic table?

300

What is an example of a pure substance?

Anything that always has the same composition and properties.

400

Solid to Gas

What is sublimation?

400

Ability to be shaped and not break

What is malleability?

400

What are the 5 physical changes that occur

What is shape, color, texture, dissolving, and phase?

400

What is a molecule?

Made up of different elements and/or compounds

400

What is considered a pure substance?

Matter that always has the same composition and properties.

500

Gas to solid

What is deposition?

500

The property of letting light pass through something

What is transparency?

500

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)

500

What is a mixture?

A combination of two or more pure substances.

500

What is matter?

What is any substance that has mass and volume (Take up space)?