Physical Change Flashcards
Name the three states of matter
Solid liquid and gas
Name the process in which a solid changes to a liquid
Melting
Name the process in which a liquid changes to a solid
Freezing
Name the process in which a solid changes to a gas
Subliming
Name the process in which a gas changes to a liquid.
Condensing
Name the process in which a liquid changes to a gas
Evaporating
What is physical change
Physical change is when a substance changes from a solid, a liquid, or a gas
What is endothermic process
Changes that require heat energy
What is an exotheemic process
Changes that liberate heat energy
How do you plot a cooling curve
Work in pencil Rule a vertical and horizontal axis Devise a scale that covers all your values and makes sense Mark in your scale Label both axis Plot your data
What is a solute
A substance that dissolves
What is a solvent
A substance that the solute is dissolved in
What is a solution
The solute and the solvent mixed together
What is meant by dissolving
When the particulate in a solid go between the particulate in a liquid
What is meant by filtration
When a solution is filtered to get rid of the residue
What is meant by evaporation
When a liquid changes to a gas
What is meant by residue
The leftovers from filtration
The part of the solute that did not dissolve
What is meant by soluble
It can dissolve
What is meant by insoluble
It does not dissolve
What is chromatography
It is a process used to separate the inks in dyes
What solids are soluable
Sugar Salt Washing soda Copper sulphate Potassium chloride
What are some insoluble solids
Sand
Calcium carbonate
