Matter
When water freezes do the particles move slower or faster?
Slower
Protons and neutrons are found here.
The nucleus.
Colour, texture, smell and taste are types of ____________ observations.
Qualitative
What is the substance that dissolves called?
The solute.
What are all substances made of?
Tiny particles (or atoms)
True or False: When water evaporates, it disappears.
No - it changes state into a gas.
What is the charge of an electron?
Negative
Water has a density of approximately 1 g/cm³ . Is this a qualitative or quantitive property?
Quantitive
What is the liquid that does the dissolving called?
The solvent.
What do particles do when they get warmer?
Move faster (and spread out)
The change of state from solid to gas is called this.
Sublimation
"Atom" comes from the Greek word meaning this.
Uncuttable (or indivisible)
True or False: Gold has a higher melting point than water.
True
True or False: Solutions must be liquids.
False -> They can be solids, liquids, or gases!
This state of matter has the largest spaces between particles.
Gas
The change of state from gas to solid is called this.
Deposition
What is the melting point of water?
Zero degrees Celsius.
What do we call it when no more solute can dissolve?
Saturated solution.
This state of matter takes the shape of its container but does NOT change volume.
"Matter cannot be created or destroyed" described which law of matter?
Law of Conservation of Mass
This Greek philosopher came up with the word for "atom".
Democritus
This physical property describes how light shines on the surface of a substance.
Lustre
How can we make a solid dissolve faster?
Stir it or heat it.
All particles have _________ forces between them.
Attractive