Differentiate between chemical and physical
properties. L-47
http://www.youtube.com/watch?v=uJOGy0dgmUU
Classify substances based on their chemical and physical properties (e.g.,
reacts with water, does not react with water, flammable or nonflammable,
hard or soft, flexible or nonflexible, evaporates or melts at room
temperature).
Investigate and report on the chemical and physical
properties of a particular substance. L-47,48
http://www.youtube.com/watch?v=18wEp_SnM0s
Objective 2: Observe and evaluate evidence of
chemical and physical change.
a. Identify observable evidence of a physical
change (e.g., change in shape, size, phase.)
http://www.youtube.com/watch?v=WsKGD0evbAc
Identify the kinds of energy (e.g., heat,
light, sound) given off or taken in when a
substance undergoes a chemical or physical
change.
Relate the amount of energy added or taken away
from a substance to the motion of molecules in
the substance.
http://www.youtube.com/watch?v=88tK5c0wgH4
Measure and graph the relationship between the states of
water and changes in its temperature.
http://www.youtube.com/watch?v=2E4uK6zoJmo
Cite evidence showing that heat may be given
off or taken in during a chemical change (e.g.
striking a match, mixing vinegar and antacid,
mixing ammonium chloride and water.)
http://www.youtube.com/watch?v=48sLH9P8QK0&safe=active
Plan and conduct an experiment, and report
the effect of adding or removing energy on the
chemical and physical changes.
http://www.youtube.com/watch?v=M3-OAwhIvU0&safe=active
Identify the reactants and products in a given
chemical change, and describe the presence of the
same atoms in both the reactants and products.
http://www.youtube.com/watch?v=mcnga-bbNXk
In a chemical reaction in which new products are formed, the number of atoms
On the reactant side have to equal the number of atoms on the products side.
Reactants
Products
6CO2 + 6H2O --- C6H12O6 + 6O2
36 atoms
36 atoms
Cite examples of common significant chemical reactions (i.e.,
photosynthesis, respiration, combustion, rusting) in daily life.
6CO2 + 6H2O
C6H12O6 + 6O2 Photosynthesis
6CO2 + 6H2O
C6H12O6 + 6O2 Respiration
Oxidation of Iron (rusting)
4 Fe + 3 O2
2 Fe2O3
http://www.youtube.com/watch?v=eG7Vk4LmQgM
Demonstrate that mass is conserved in a chemical reaction (e.g.
mix two solutions that result in a color change or formation of a
precipitate, weigh the solutions before and after mixing.)
http://www.youtube.com/watch?v=mcnga-bbNXk
Experiment with variables affecting the
relative rates of chemical changes (e.g., heating,
cooling, stirring, crushing, and concentration.)
http://www.youtube.com/watch?v=C81r6PEwL8M
http://www.youtube.com/watch?v=XX9Xo6zm_kM
Research
and and
report
on how
engineers
havehave
applied
Research
report
on how
engineers
principles
of chemistry
to an application
applied principles
of chemistry
to an application
encountered in daily life (e.g., heat-resistant
encountered in daily life (e.g., heat-resistant
plastic handles on pans, rust-resistant paints on
plasticbridges).
handles on pans, rust-resistant paints on
highway
highway bridges).
STANDARD IV: Students will
understand the relationships among
energy, force and motion.
Objective 1: Investigate
the movement of energy
through various materials.
Relate the energy of a wave to wavelength
The shorter the wavelength the greater the energy.
The top wave has the shorter wavelength and thus
has more energy than the bottom wave.
Compare the movement of energy (i.e., sound, light,
earthquake waves, heat) through various mediums.
A medium is what the waves travel through:
Solids
Liquids
Gases
http://www.youtube.com/watch?v=2Wlh3M2a10U
Describe
Describethe
thespread
spreadofofenergy
energyaway
away
from
anan
energy-producing
source.
from
energy-producing
source.
Energy spreads away from the source in all directions
like a rock thrown in a pool of water.
Compare the movement of heat
by conduction, convection, and
radiation and provide examples of
each
http://www.youtube.com/watch?v=7MVEePXwAeI
Demonstrate how white
light can be separated
into the visible color
spectrum.
http://www.youtube.com/watch?v=yvMnURU1T24
Examine the force exerted on objects by
gravity
Distinguish between mass and weight.
http://www.youtube.com/watch?v=1whMAIGNq7E
Cite examples of how Earth's
gravitational force on an object
depends upon the mass of the object.
The bigger the mass, the
bigger the force of
gravity.
Describe how Earth's gravitational force on
an object depends upon the distance of
the object from the Earth.
As an object leaves the surface
of the Earth, the pull of gravity
on the object becomes less.
Design and build structures to support a load.
http://www.youtube.com/watch?v=lEJEG0NLv70
http://www.youtube.com/watch?v=dGQfUWvP0II
Engineer (design and build) a
machine that uses gravity to
accomplish a task.
http://www.youtube.com/watch?v=QriRtKvLd2c
http://www.youtube.com/watch?v=RkLfpXpO5sQ
Calculate the mechanical advantage created
by a lever.
http://www.youtube.com/watch?v=mUL-swYDIZE
Engineer a device that uses levers or
inclined planes to create a mechanical
advantage.
http://www.youtube.com/watch?v=l1oCpWZk8pk
Engineer a device that uses
friction to control the motion of
an object.
http://www.uen.org/core/science/sciber/sciber8/stand4/bullseye.shtml
Design, and build a complex machine
capable of doing a specified task.
Grapesmasher
Analyze the cyclic nature of potential and
kinetic energy (e.g., a bouncing ball,
pendulum.)
http://www.youtube.com/watch?v=7K4V0
NvUxRg
Trace the conversion of energy from
one form of energy to another (e.g.,
light to chemical to mechanical.)
http://www.youtube.com/watch?v=64y5JFTS3B
I
Cite examples of how organisms
sense various types of energy
Investigate and report the response of
various organisms to changes in energy
(e.g., plant response to light, human
response to motion, sound, light, insects
response to changes in light intensity).
http://www.youtube.com/watch?v=zHe7y8cy-7Y
http://www.youtube.com/watch?v=uJpgMDOZInA
Investigate and describe how engineers have
developed devices to help us sense various types
of energy (e.g., seismographs, eyeglasses,
telescopes, hearing aids).
http://www.uen.org/core/science/sciber/
sciber8/stand-4/devices.shtml