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WorksheetsMatter Review 2023
Total questions: 48
Worksheet time: 28mins
Nitrogen chemically combines with hydrogen to make a new substance. This substance is
an element
a compound
a mixture
your best friend
Oxidation is an example of
cool science stuff
a physical property
a chemical property
a financial property
Two or more substances that are together but NOT chemically combined is a
element
compound
mixture
enigma
When particles move very rapidly and are spread far apart, what state of matter is it in?
solid
plasma
gas
liquid
Type of mixture that looks uniform because something has dissolved.
Homogenous Solution
Heterogeneous Suspension
Heterogeneous Colloid
Pure Substance
When a Solid goes directly into a gaseous state. What is this process called? Example: dried ice.
Deposition
Evaporation
Sublimation
Melting
In a solid, the molecules
are widely spaced, move quickly (high energy), no definite volume or shape.
are closely spaced, vibrate in place, definite volume and definite shape.
are spread wider apart, in constant contact, medium amount of energy, have a definite volume but no definite shape.
In a liquid, the molecules
are widely spaced, move quickly (high energy), no definite volume or shape.
are closely spaced, vibrate in place, definite volume and definite shape.
are spread wider apart, in constant contact, medium amount of energy, have a definitevolume but no definite shape.
In a gas, the molecules
are widely spaced, move quickly (high energy), no definite volume or shape.
are closely spaced, vibrate in place, definite volume and definite shape.
are spread wider apart, in constant contact, medium amount of energy, have a definite volume but no definite shape.
Volume, density, melting point, boiling point and freezing point are all examples of _______
pure substances
physical properties
matter
chemical properties
The measurement of the force of gravity on an object is known as ________________.
mass
weight
volume
density
A physical property can be investigated by
melting ice
letting milk turn sour
allowing silver to tarnish
burning wood
Chemical properties
include changes of state of a substance
include mass and color
include changes that alter the identity of a substance
can be observed without altering the identity of a substance
An example of an extensive physical property is
mass
density
color
boiling point
Which of the following is an intensive physical property
volume
length
color
mass
A chemical change occurs when
dissolved minerals solidify to form a crystal
ethanol is purified through distillation
salt deposits form from evaporated sea water
a leaf changes color
The melting of candle wax is classified as a physical change because it
produces no new substance
transfers energy
absorbs heat
changes the chemical properties of wax
Intensive/Extensive properties are
Physical Properties
Chemical Properties
An extensive property
Depends on the amount of substance
Does not depend on the amount of substance
Plasma can be found in which of the following
Blood
Rocks
Air
Stars
This state of matter has similar properties of gas, but is ionized, can conduct electricity, and is affected by magnetic fields
solid
liquid
gas
plasma
An unknown silvery powder has a constant melting point and does not chemically or physically separate into other substances. The unknown substance can be classified as
element
mixture
compound
alloy
Substances giving off a smell (____________) while being combined is also an indicator of a chemical reaction.
light
odor
molecule
precipitate
