Physical Science Chapter 16 // sjhs
Of the three sciences, physics, chemistry, and bio, the most complex is...
Bio because it is based upon both the laws of chemistry and physics
P or C // baking chocolate chip cookies
C
P or C // burning your skin
C
P or C // rusting an iron nail
C
P or C // using battery
C
T or F // Rubbing alcohol evaporating from a tabletop is an example of a chemical change
F
T or F // There are only three phases of matter in the universe
F
T or F // Vaccines are an example of basic research
F
P or C // casting silver into a mold
P
P or C // crushing a can
P
P or C // dissolving cream in coffee
P
P or C // subliming dry ice
P
T or F // Food coloring will mix uniformly into a glass of water with no stirring
T
T or F // Liquids have a definite volume but no definite shape
T
T or F // The burning of a candle involves both physical and chemical changes
T
Which of the following best describes a liquid // does not deform upon application of pressure, a constant shape and constant volume, does not have a definite shape or a definite volume, a constant volume but its shape is not defined
a constant volume but its shape is not defined
How would you describe the size of the following object// a blood cell, using...
a microscopic
Which of the following is not a chemical change// grass growing, a rock being crushed to powder, wood burning to ash, grape juice turning into wine
a rock being crushed to powder
Which of the following can be classified as matter /// sand, water, perfume, and ice cream
all
A transformation from a gas to a liquid
condensation
Which of the following would be considered applied research // determining the lightest and strongest metal to be used for an airplane wing, examining how susceptible a metal is to bending, testing the strength of a piece of metal, determining the melting temp of a metal
determining the lightest and strongest metal to be used for an airplane wing
A transformation from liquid to a gas
evaporation
Which of the following would be considered basic research// examining why a mouse likes cheddar cheese more than swiss cheese, testing the strength of a mouse cage, studying ways of catching mice safely, testing a safe nontoxic mouse glue
examining why a mouse likes cheddar cheese more than swiss cheese
A transformation from liquid to solid
freezing
Matter that doesn't have definite volume or definite shape
gas
Which of the following is an example of a chemical change // water freezing into ice crystals , breaking a glass window, gasoline being used in the engine of a car producing exhaust
gasoline being used in the engine of a car producing exhaust
Which of the following would not be considered matter// clouds, rain, trees, light, air
light
Matter that has a definite volume and no definite shape
liquid
A transformation from solid to liquid
melting
Matter that has a definite volume and definite shape
solid
A transformation that goes directly from a solid to a gas
subliming
Which of the following best describes a gas // The material has a fixed volume and a fixed shape, the molecules are moving quickly and are widely spaced, the molecules are moving slowly and closely spaced
the molecules are moving quickly and are widely spaced
Which of the following is an example of a physical change // charcoal being converted into ash, water boiling and being converted into steam, iron metal reacting with oxygen to form rust
water boiling and being converted into steam
