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WorksheetsChem Vocab
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
What is volume?
a)
Measures the size of an object using measurement in 3-Dimensions
b)
Object that takes up all space
2.
What is color in Chemistry?
a)
the quality of an object with the original color
b)
the quality of an object or substance with respect to light reflected by the object
3.
What is freezing point?
a)
Where liquid is physically being changed into a solid
b)
A more specific definition of freezing point is the temperature at which solid and liquid phases coexist in equilibrium
4.
Taste means the same thing in chemistry as in our 5 senses
a)
true
b)
false
5.
What is density?
a)
The space that an object has
b)
the ratio between mass and volume or mass per unit volume
6.
What is rust?
a)
the red or orange coating that forms on the surface of iron
b)
when metal falls apart.
7.
What is odor?
a)
smelly things
b)
caused by one or more volatilized chemical compounds, generally at a very low concentration, that humans or other animals perceive by the sense of olfaction
8.
What is tarnish?
a)
hin layer of corrosion that forms over copper, brass, silver, aluminum, magnesium and other similar metals as their outermost layer undergoes achemical reaction
b)
a film over metals
9.
What is melting point?
a)
the temperature at which the solid and liquid phases of a substance
b)
where everything turns to water form
10.
What is the definition of ability to rust?
a)
the red or orange coating that forms on the surface of iron when exposed to air and moisture, consisting chiefly of ferric hydroxide and ferric oxide formed by oxidation
b)
when metal goes bad and it can no longer be trusted to be used
11.
What is flammability?
a)
Easily ignited and capable of burning rapidly
b)
can't be set on fire
12.
What is reactivity to oxygen in the air mean?
a)
Where the air is meeting something and changes it a little bit.
b)
it means its going to not be good anymore
13.
What does it mean when someone says boiling point in chemistry?
a)
where water bubbles and keeps increasing
b)
liquid is the temperature at which its vapor pressure is equal to the pressure of the gas above it
14.
What is reactivity with vinegar mean?
a)
the ability to burn - reacts with oxygen to produce rust
b)
it means any metals or objects will decay into vinegar
15.
What is physical properties?
a)
any property that is measurable, whose value describes a state of a physical system
b)
is a visible site of change
16.
What is the definition of ability to polish?
a)
Shiny new
b)
A substance containing chemical agents or abrasive particles and applied to smooth or shine a surface
17.
What is brittleness?
a)
having hardness and rigidity but little tensile strength; breaking readily with a comparatively smooth fracture, as glass
b)
something that is crumbled and rough feeling
18.
What is chemical properties?
a)
a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
b)
is a term scientists use for random things
19.
What is ductility?
a)
a solid material's ability to deform under tensile stress; this is often characterized by the material's ability to be stretched into a wire.
b)
is a solid material that will smooth out any metal you want
20.
What is the definition of physical change?
a)
Any change that occurs without altering the chemicalcomposition of a substance is a physical change.Physical changes can include changing the color, shape, state of matter, or volume of a substance.
b)
its appearance to another
21.
What is malleability?
a)
Something that doesn't bend or dent at all
b)
The reason metals bend or dent when struck is linked to malleability, a physical property
22.
What does it mean rotting of food?
a)
good to eat
b)
Process of decaying
23.
What is evaporation?
a)
the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure
b)
is where water goes down from the clouds
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