WorksheetsOutcome 7 Revision
Total questions: 51
Worksheet time: 13hrs 45mins
The energy of an object as it is in motion is defined as
Potential Energy
Elastic Energy
Electric Energy
Kinetic Energy
Pollen grains suspended in water exhibit Brownian motion. How does a particle undergoing Brownian motion move?
In smooth curves
Randomly
Orderly with a pattern
In straight lines with no change of direction
What is MATTER?
Anything that has MASS
Anything that takes up SPACE
Anything that has MASS and takes up SPACE
Anything that DOES NOT have mass or take up space
All matter is made up of tiny _______________
energy
particles (atoms and molecules)
bits
antimatter
What is the chemical symbol for iron?
I
Ir
Fe
R
What is iron's atomic number?
12
26
55.85
55
What is a Solid?
Matter that has a fixed shape and size.
Matter that has a fixed size and no fixed shape
Matter that has no fixed shape or size
Matter that has no fixed shape and size
The state of matter that expands to fill its container is called ______.
gas
liquid
solid
Define a liquid.
Matter that has fixed shape but no fixed volume
Matter that has fixed shape and fixed volume
Matter that has fixed volume, but no fixed shape
Change from solid to liquid is called...
Melting
Freezing
Evaporating
Deposition
Change from gas to solid is called...
Freezing
Condensing
Deposition
Sublimation
Change from liquid to gas is called...
Condensing
Freezing
Vaporisation
Sublimation
Change from gas to liquid is called...
Condensing
Evaporating
Freezing
Melting
Change from liquid to solid is called...
Desublimation
Sublimation
Melting
Freezing
Change from solid to gas is called...
Deposition
Sublimation
Condensing
Evaporation
A combination of two or more substances that are not chemically combined.
mixture
element
solvent
solute
Metallic bonding occurs due to the presence of:
Covalent bonds between metal atoms
Ionic bonds between metal atoms
Hydrogen bonds between metal atoms
A sea of delocalized electrons surrounding metal cations
The weaker the intermolecular forces of a substance the _____________ the boiling point
higher
lower
Latent heat does not raise (or increase) the __________________.
force of attraction
space
temperature
motion of the particle
___________________ are materials that ALLOW heat and electricity to move easily through them.
Conductors
Insulators
Non-metals
Halogens
______________ are materials that RESIST the flow of heat or thermal energy.
Conductors
Insulators
Metals
Alloys
Which two are examples of electrical conductors?
copper and gold
rubber and plastic
gloves and glass
rubber and wood
Steel is a mixture of iron and carbon which is considered to be a _________.
an alloy
ore
metal
non-metal
According to it, water freezes at 32 degrees and boils at 212 degrees.
Scientists' favorite temperature scale, because it begins at the absolute coldest anything can get (absolute zero)
Celsius
Fahrenheit
Kelvin
All of them
Convert
450 K to Celsius723oC
277oC
177 oC
623oC
Convert
0oC to Kelvin−273 K
273 K
32 K
−32 K
Which of the following processes refers to gas or fluid being compressed rapidly without heat exchange with its surroundings.
Adiabatic compression
Kinetic Energy
Isothermal Compression
Isochoric Compression
