EXPERIMENT: Safely Separate
Question
Is there a potential danger in using the same equipment to prepare raw
meat and other foods?
My Hypothesis:
_____________________________________________________________________
_____________________________________________________________________
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Materials Needed:
- 2 clean sponges, cut in the shape of chicken legs
- Red or other brightly-colored poster paint
- Paint brush
- Cutting board
- Cucumber
- Clean, light-colored plate
- Serrated knife
Procedure
1. Dampen both sponges. Set one sponge aside to represent the "cooked
chicken."
2. Paint both sides of the other sponge to represent raw chicken. Pretend
that the paint is the juice of the chicken that may have been contaminated
with Salmonella!
3. Place the painted sponge on the cutting board and use a knife to cut
the sponge in half. Move the painted sponge onto the plate, and don't
wash the cutting board.
4. Next, cut a slice of raw cucumber on the same cutting board you used
in Procedure #3.
5. Now, place the clean sponge ("cooked chicken") that was
cooked well-done on the plate with the "raw chicken" sponge.
My
Observations:
After #3, this is where I observed the paint (representing Salmonella)
on
- the cutting board: ____________________________________________________
- the knife: ____________________________________________________
- my hands: ____________________________________________________
- the plate: ____________________________________________________
After #4, this is what happened to the cucumber slices:
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____________________________________________________
After #5, this is what happened to the "cooked chicken" sponge:
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Chart the path of "Salmonella" paint between each item.
My
Conclusions:
This is how I can get rid of the paint "bacteria" on
- the cutting board: ____________________________________________________
- the knife: ____________________________________________________
- my hands: ____________________________________________________
- the plate: ____________________________________________________
If I touch something else without washing my handsor use the knife
againthis is what can happen:
____________________________________________________
____________________________________________________
To kill the bacteria on the chicken, it is important to:
____________________________________________________
____________________________________________________
If someone ate the raw cucumber, this is what could happen:
____________________________________________________
____________________________________________________
This is what can happen when cooked chicken is placed on the same plate
as raw chicken:
____________________________________________________
____________________________________________________
Tip:
Plastic ("non-porous") cutting boards are easiest to clean.
Tell Your Family ...
Remind your family members to wash all cutting boards and utensils between
uses in the dishwasher or with hot water and soap.
Be sure to always rinse vegetables and fruit in cold water before eating
or preparing them!
TM/SM
International Food Safety Council
* Distributed May 2002 for use in September 2002
as part of the International Food Safety Council's National Food Safety
Education Month.
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