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Physical and
Chemical
Changes
Learning Objectives:
1. differentiate physical and chemical
change;
2. distinguish examples of physical and
chemical changes; and
3. recognize the
importance of physical
and chemical changes.
TRUE OR
FALSE
PHYSICAL OR
CHEMICAL VOCABULARY
100 100 100
200 200 200
300 300 300
400 400 400
500 500 500
Situation # 1
You're outside, and your
little sister's popsicle
slides off her popsicle
stick onto the ground.
You come back later and
the popsicle melted.
Situation # 2
It is around lunch time, you
feel yourself becoming
hungry, but you have a
basketball game later, so you
eat a banana. Later in your
basketball game you are
energized and cramp free.
WHERE DO I
BELONG?
(PHYSICAL / CHEMICAL)
Melting
butter for
popcorn.
PHYSICAL CHANGE
Separating
sand from
gravel.
PHYSICAL CHANGE
Spoiling
food.
CHEMICAL CHANGE
A rusting
bicycle.
CHEMICAL CHANGE
Making salt
water to
gargle with.
PHYSICAL CHANGE
--FIN
You left your water in
the freezer for too
long; it's frozen. It
has now experienced a
Chemical Change.
FALSE
You make yourself breakfast;
toast, eggs, milk, sausage,
etc. You take the butter out
of the fridge and put it on
the toast. The butter melts.
This is an example of a
Physical Change.
TRUE
You cut your knee open.
You run inside to get the
Hydrogen Peroxide to
prevent an infection. It
begins to bubble. This is
a Physical Change.
FALSE
You are thirsty, so you
make yourself some
lemonade. This is an
example of a Chemical
Change.
FALSE
You put dry ice into
water to create fog, the
fog is produced and the
reaction is over. This
was a Physical Change.
TRUE
You are running with
your new clay project;
you trip, and you have
fallen and your clay
project is in ruins.
PHYSICAL
Rocket launching.
CHEMICAL
Mixing Alka-Seltzer and
water
CHEMICAL
Turning peanut to peanut
butter
PHYSICAL
Bake a cake.
CHEMICAL
Anything that has mass
(weight) and takes up
space.
MATTER
Type of change where a
new substance is
created.
CHEMICAL CHANGE
A type of change where
the substance stays the
same, but size and shape
may change.
PHYSICAL CHANGE
A change that does not
result in a new
substance.
PHYSICAL CHANGE
A substance that is made
up of just one kind of
atom.
ELEMENT

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