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Plants, Food, and Cooking
Biology of a Potato
A tuber or underground stem with
Potatoes are a perennial plant
when growing in the wild and
annuals when cultivated.
Cultivated potatoes have 48
chromosomes. Wild Potatoes
have 24 chromosomes.
Parts of a Potato
Eyebrow – is a leaf scar on the potato
and faces the apical end.
Eye – eyes on a potato ate the growing
points for new plants.
Stem (basal) end – the stem end is the
attachment point between the tuber and
Lenticle – lenticles are tiny openings that
allow moisture into the tuber.
Flower – The flower is perfect and
contains both male and female parts.
The flower has 5 petals and can be
white, purple, lilac, or violet depending 3
Have students draw what they think a
potato plant looks like.
Have students name the parts of a
This is a good way of introducing the
potato plant and parts of a potato.
This activity also makes you aware of the
students knowledge of the subject.
Students could each grow a plant with a
potato in water to see the plant and its
The students would be able to
learn measuring and the process
involved in making potato soup.
Students would be able to try a
product they have made from the
plant they would be studying.
They may be tasting a new food
This could also allow for discussion
of all the varieties of potatoes.
This allows students to see how
potatoes change in different
Allows students to see how the
texture and form of potatoes
change when introduced to other
Checking for Starch
What happens when iodine is
placed on a potato and comes in
contact with starch?
Iodine changes color to blue or
Have students explain how this
could be important or how they
could check different parts for
Give students ½ of a potato and
allow them to create a design in
the middle by cutting a shape out
of the fleshy part of the potato.
They can then paint around the
design and use the potato as a
Clocks can be purchased that
operate off of potatoes or you can
make your own.
By sticking copper and zinc
electrodes into the potato and hook
up to the clock.
Kids will enjoy the electrolyte
power of the potatoes.
Potato Activity Sheet
Prepare booklets in advance with ½ sheet size paper and
stapled together. Students may put their potato stamp
on the pages to design and decorate their book
1.Title Page Spud Stuff by _________
2. Draw a picture of your spud. Give your spud a name.
3. Measure your spud.
My spud is ______ inches long.
My spud is ______ inches wide.
4. Draw a cute potato on this page
My spud has _________ eyes/
_______’s spud has the most number of eyes.
_______’s spud has the least number of eyes. 10
Activity Sheet Continued:
1. My spud weighs _________.
2. ________’s spud weighs the most.
3. ________’s spud weighs the least.
4. 5. Draw a Scale
5. How many squares will your spud cover.
6. __________ my guess.
7. __________my count.
8. 6. Draw a graph