Definition - elsehomework

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Pure substance is some thing that has to
either a element or compound that has
constant chemical components.
Water, table salt and
diamond are examples of
pure substance.
By: Naomi Halder
Thermal Pollution
Thermal Pollution is……
Thermal pollution is the degradation of water
quality by any process. It is a bi-product of power
plants and factories.
3 Examples……
The examples of Thermal Pollution are, when
rain falls on a warm road, the rainwater warms,
and runs off into a body of water which causes
the body of water to warm.
Thermal Pollution usually happens when
the water temperature increases in lakes,
streams, rivers or oceans because of the
discharging of hot or heated water from
industrial processes.
The Cause…
The cause of Thermal Pollution is
the use of water as a coolant. The
coolant is by power plants and
manufacturers.
solvent
A solvent is usually a liquid that
dissolves something.
Examples: water and salt,
water and sugar, water and
baking soda.
Thermal pollution
Thermal pollution is when the
temperature rises in a lake or river
which kills things that live in the water.
This is caused from heated industrial
waste and water from the cooling
towers in nuclear power plants.
Heated industrial
waste will come
out of these 2
places and make
thermal
pollution.
Cooling towers will send out
polluted water out making
thermal pollution
Definition:
Sound energy is a form of energy associated with vibration
or disturbance of matter. Sound waves require some kind of
materials to travel through.
Examples of sound energy:
Any type of sound
Radio
Yelling, Screaming, Laughing etc.
By: Quinn Dodds
A solvent dissolves
other substances or
solutes.
Some
examples of
solvents are
water, acid
and
Coca-Cola.
Solubility
The amount of solute
can be dissolved into
the solvent till it
become
concentrated. The
solubility will rise if
the temperature
rises.
Examples: 1ml of salt
will dissolve in 100ml of
water at 0 degrees.
It take 43.9 grams of
Aluminum chloride to
concentrate 100ml of
water at 0 degrees.
It takes 49.7 grams of
iron chloride to
concentrate 100ml of
water at 0 degrees.
Saturated
saturation is the point at which a
solution of a substance can dissolve
no more of that substance.
Three examples are:
- candy spilling out of its bowl
- no more salt can be dissolved
in water
- no more sugar cant be
dissolved in water
Radiation!
Definition: Energy from a
source that travels through
space or through a material.
Some types of radiation are
light, heat and sound.
Examples of Radiation:
The heat from a light bulb.
The radio waves of a radio.
The UV rays of the sun.
The cosmic rays from stars.
The electromagnetic radiation
of an x-ray.
The infrared waves of a
hairdryer.
Radiation: Heat transfer through
waves
• Radiation is caused by various things based on the kind of decay.
However, radiation will not under any circumstances, give you
superpowers in any way, shape or form. For the sake of simplicity I
will only be covering Alpha decay and only briefly.
• Alpha decay only go a few centimeters, or just through paper.
Unless you swallow something that constantly emits alpha decay,
you’ll be fine around them. Cockroaches cannot be harmed by
alpha decay. Most of the pictures available are complicated so I
have 2 pictures of alpha decay. I considered a picture of a cat, but
In decided against it.
Definition: Homogenous are composed of two or
more components that are: equally (uniformly)
distributed throughout the system, miscible (will
dissolve), of a single phase, easily dispersed through
a membrane, and inseparable by mechanical means.
Examples:
1. Blood
2. Sugar solution when sugar is completely
dissolved.
3. Mixture of alcohol & water
4. A glass of orange juice
5.salty water (where the salt is completely
dissolved)
6.brewed tea or coffee
7.soapy water
8.a dilute solution of hydrochloric acid
9.hard alcohol
10.wine
Whipped cream is an
example of a homogeneous
mixture
.
The melting point foe butter
is 96.8 °F (28-36 °C)
Ice melts at 32 ˚F and
0˚C . That is the
melting point of ice.
The melting point for ice cream
is about a above zero
Definition: The temperature at which a solid
substance or melts.
• The temperature at which a solid turns into a
liquid. It is equal to the freezing point
1. Electric iron
2. Ice melting into water
3. Rock is hard to melt because
rock’s melting point is high
Mechanical mixture.
Mechanical mixture is
When two or more
different materials
are mixed together
but are visible, not
only one.
Example of mechanical
mixtures are: sand and stone
milk and cereal in a bowl
vegetable pizza.
Mechanical Mixtures
•
•
Definition: It is a mixture whose
components can be separated by
mechanical means.
Examples: sand, granola bar, hot dogs,
pizza, relish, salads, oil, etc.
•
Kinetic energy is when potential
energy is used. Kinetic energy is
formed when something is
moving. Something that is not
moving is called potential energy,
it also depends on the chemistry
of the object. Kinetic energy and
potential energy are the
opposite.
Three examples of kinetic energy are
a rollercoaster going down the track.
Another example of kinetic energy is
a car racing down the highway. The
last example is a boat moving fast on
the water.
By Kenan White
What is kinetic energy?
Kinetic energy is the energy of motion, when we move
energy comes out and that is kinetic energy and kinetic
energy is the energy of motion.
Riding your bike is a
example of kinetic
energy
When a animal runs, the
animals are using kinetic
energy
Light is a visible energy in the form of
electromagnetic waves that travels in
straight lines called rays that fan outward
from the source of the light, causing the
growth of plants and the existence of most
life forms.
In theory, mechanical energy is a sum to
potential energy and kinetic energy.
Mechanical energy is the energy that
cooperates with the physical movement and
the position of the object itself. Mechanical
energy is like gravitational force, it is constant.
Some mechanical energy is even converted
into heat. Mechanical energy is used in
everyday life.
•
•
•
•
•
Walking and running
Gravity
Moving water (stream, river)
Wrench, hammer
Rotation and Revolution of the
earth
• Sound waves
Heat
Heat is the
condition or
quality of being
hot
The “heaTer”
helps To “heaT The
room
You need heat to boil water
Heat is used to cook this food
Heat
3 examples of heat:
1. When you are heating foods or drink.
(Boiling water)
2. At winter, when you use heating system.
3. Flame of any type.
Definition of heat:
To make or become hot.
Few pictures that shows the
meaning of the world.
Definition
• Sound energy is an energy that is
made by sound vibrations. It is
also the energy in a sound wave.
• Examples of sound energy are a
telephone, screaming and the
noise from a flying airplane
Noise from
Plane
Screaming
Telephone
Diagrams
Convection
Definition: it is heat that is moved by
the vibration of particles from one
place to another. The temperature of
heat moving gas, liquid or solids.
Examples: convection oven, hot air
rising, cooling than falling and a
convection cell which is an old
fashioned radiator.
The possibility for electric currents to produce or
make light, heat, cold air or other forms of energy.
By: Jennifer
The stove needs
the energy of
heat, the plug
and socket
transfer
electrical energy
to heat the
stove.
Solute
By: Zihang Zou
Definition
Solute: Solute is a substance that dissolved in solvent,
usually the component of a solution present in the lesser
amount.
Examples
Examples: 1. salt
water=salt(solute)+water(solvent)
2.sugar water= sugar (solute)+
water(solvent)
3. water hot chocolate= hot
chocolate(solute)+ water(solvent)
An insulator is something that lines an object so that
heat and energy can not escape and can spread it
out to certain places and cut of the energy and heat.
Some examples of insulators are windows, wood and plastic
are all insulators.
Insulators are useful to keep the heat in and as well
as electricity in the huge power lines.
This is one Example of conduction
This is another Example od conduction
This is the last example
By: Derek
Pure water is not a
electric conductor
however it does conduct
heat.
Examples:
1. Metal
2. Wire
3. Water
Heat conductors like this are to test
which material conducts heat the
best.
incapable of being dissolved;
incapable of forming a solution, esp
in water
Diagrams
Convection
Definition: it is heat that is moved by
the vibration of particles from one
place to another. The temperature of
heat moving gas, liquid or solids.
Examples: convection oven, hot air
rising, cooling than falling and a
convection cell which is an old
fashioned radiator.
Convection
Convection , a flow of heat, a movement of matter that goes from a hot region
to a cool region. When the air heats up, the molecules expand causing the heat
to become less dense.
Three examples:
A hot air balloon
A cup of coffee
Boiling water
Conductor
By: Dante
• A electrical conductor is a material that allows the flow of electrical current.
• A heat or thermal conductor is a material that can transfer thermal energy.
Some examples of conductors are electrical conductors, thermal or heat
conductors.
Conduction is the process of which heat is transmitted through a
substance.
Three examples are:
A fire heating a pot up.
The pot will heat up
because of the heat
being applied to it.
The dropping of the atom bomb on Hiroshima,
Japan, by the United States in 1945 initiated the
atomic age. Nuclear energy immediately became a
military weapon of terrifying magnitude.
Nuclear energy
power plant
In 2011 five nuclear reactors at two
power plants lost cooling ability in the
aftermath of the powerful earthquake
(8.9) that hit Fukushima Daiichi,japan.
This is bad because radiation is in the
nuclear reactors and can kill you. It
kills by attacking the good cells in your
body and making them bad, then you
get cancer because your body cant
regulate the blood through your body,
which kills you.
A form of energy produced by an atomic reaction, capable of
producing an alternative source of electrical power to that supplied
by coal, gas, or oil.
atomic energy: the energy released by a
nuclear reaction.
Spencer K
Nuclear Energy
Nuclear Energy – Energy that comes from splitting
atoms of radioactive materials, such as uranium.
Pictures:
Nuclear Warning
Sign
Nuclear Plant
Fat Man and
Little Boy
Nuclear Bombs
Diagram:
Diagram of how Nuclear Energy works
3 Examples of Nuclear Energy:
1.
2.
3.
Radiation from nuclear energy helps kill
cancer cells.
It has become very common to expose foods to
small amounts of nuclear radiation as part of the
processing routine.
Nuclear power plants are the most visible
source of nuclear energy. There are over
400 power plants worldwide, which
function off of nuclear reactors. Over 20%
of the United States power is generated
by power plants.
Thermal pollution
Thermal pollution is when the
temperature rises in a lake or river
which kills things that live in the water.
This is caused from heated industrial
waste and water from the cooling
towers in nuclear power plants.
Heated industrial
waste will come
out of these 2
places and make
thermal
pollution.
Cooling towers will send out
polluted water out making
thermal pollution
Definition:
Sound energy is a form of energy associated with vibration
or disturbance of matter. Sound waves require some kind of
materials to travel through.
Examples of sound energy:
Any type of sound
Radio
Yelling, Screaming, Laughing etc.
By: Quinn Dodds
solvent
A solvent is usually a liquid that
dissolves something.
Examples: water and salt,
water and sugar, water and
baking soda.
Solubility
The amount of solute
can be dissolved into
the solvent till it
become
concentrated. The
solubility will rise if
the temperature
rises.
Examples: 1ml of salt
will dissolve in 100ml of
water at 0 degrees.
It take 43.9 grams of
Aluminum chloride to
concentrate 100ml of
water at 0 degrees.
It takes 49.7 grams of
iron chloride to
concentrate 100ml of
water at 0 degrees.
What is ‘homogeneous’
•
•
•
1: of the same or a similar kind
2: of uniform structure or composition throughout a culturally homogeneous neighborhood.
3: having the property that if each variable is replaced by a constant times that variable the constant can
be factored out : having each term of the same degree if all variables are considered a homogeneous
equation.
Example:
Example:
Example:
The strength of a solution. The amount of
dissolved substance in a volume of solvent.
A homogeneous
•

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