5. 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.
10. 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.
11. 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.
19. You left your water in
the freezer for too
long; it's frozen. It
has now experienced a
Chemical Change.
FALSE
20. 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
21. 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
22. You are thirsty, so you
make yourself some
lemonade. This is an
example of a Chemical
Change.
FALSE
23. You put dry ice into
water to create fog, the
fog is produced and the
reaction is over. This
was a Physical Change.
TRUE
24. You are running with
your new clay project;
you trip, and you have
fallen and your clay
project is in ruins.
PHYSICAL
