Questions and Answers
measured numbers - Answer-numbers you obtain when you measure a quantity using a
measuring tool
counted numbers - Answer-do not use sig figs, exact number of something in something
else
Ex: 1,000 grams = 1 kg
solid spacing - Answer-tightly packed, very close together
even
spaces are smaller than particles
solid motion - Answer-vibrate in place
always in motion
no flow
solid energy - Answer-low energy (lowest of 4 phases)
crystalline solid - Answer-A solid that is made up of crystals in which particles are
arranged in a regular, repeating pattern
amorphous solid - Answer-A solid made up of particles that are not arranged in a
regular pattern, solid that flows
Are most questions about crystalline or amorphous solids? - Answer-crystalline
How do solids become liquids? - Answer-melt when they absorb enough thermal energy
to cause their orderly internal crystalline arrangement to break down; happens at the
melting point
How do liquids become gases without heat? - Answer-evaporation
liquids shape - Answer-indefinite; takes shape of container
liquids volume - Answer-definite volume
Liquids arrangement of particles - Answer-no regular, repeating pattern
Liquid-spacing of particles - Answer-spacing in particles becomes about the same size
as the particles