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4/12 & 4/13 - 7th Grade Agenda
Learning Objective: Discuss about
how much money you already owe.
Collect HW: Reading & Notetaking
p. 161 – 164
Video: Bacteria
Textbook Reading 334 – 343
HW: Reading & Notetaking 165 166
Reflection
• Prompt: Write 3 differences between virus
& bacteria.
How much do you owe?
•
•
•
•
US Government Debt
City & State Debt
Future Medicare & Social Security Debt
About $182,000 per person including you
(www.usdebtclock.org)
Where is the money being spent?
•
•
•
•
•
24% Defense
24% Health Care
23% Pension
11% Welfare
7% Interest
Who do we owe the money to?
•
•
•
•
•
China
Japan
Great Britain
Middle Eastern Countries
Banks
What will happen if the US starts
printing money
• In 1923 Germany, a
loaf of bread costed
2,000,000,000 X
more in one year.
What are they going to do if we
don’t pay it back?
• ????
Bacteria
• Bacteria are
prokaryotes.
• The genetic material
in their cells is not
contained in a
leus
nuc______
Bacteria
• Is Bacteria Alive?
• Yes. It is able to
reproduce by itself.
Parts of a Bacteria
Endospore Formation
• An endospore is a
small , rounded, thick
walled, resting cell
that forms ins____
ide a
bacteria
• With an endospore,
bacteria can resist
freez____,
ting
ing hea____
and drying
Bacteria are helpful
• Most bacteria are
harmless or helpful to
people
• Bacteria produces
gen
oxy_____,
food and
icine
med____
• Bacteria also cleans
up the environment
Following food items are made
with bacteria
•
•
•
•
•
•
•
der
Apple Ci____
ar
Vineg___
Yog___
urt
am
Sour Cre____
se
Chee____
Pick_____
le
ad
Sourdough Bre____
What does “Culture” in food
labels mean?
• The food was made
with bacteria
What does “Live, Active Cultures” in
food labels mean?
• The food was made
with bacteria
• And the bacteria are
still alive
What does “Pasteurized” in food
labels mean?
• The food has been
heated at high
temperature to kill
most of the disease
causing microorganisms (including
bacteria)
Helpful Bacteria in your stomach
• Bacteria in your stomach
est your food,
help dig_____
mins and
make vita_______
prevent harmful bacteria
from attaching to your
intestines.
Some Bacteria are harmful
Gonorrhea
• Gonorrhea is caused by a bacteria
• Infection through sexual activity
• Symptom: Pain around the genitals &
yellow discharge from the genitals
• Treatment: Antibiotics (Penicillin)
Some Bacteria are harmful
Chlamydia
•
•
•
•
caused by a bacteria
Infection through sexual activity
Can lead to blindness if untreated
Symptom: Pain around the genitals & pain
while urinating
• Treatment: Antibiotics (Penicillin)
Protist
• Protists are
eukaryotes that
cannot be classified
als plants or
as anim___,
gi
fun___.
• Most protists are
unicellular but some
are multicellular
Animal like Protists
• Animal like protist are
ophs and
heterotr_____
most are able to
move from place to
place to obtain food
• Animal like protist are
ular
unicell_____
Animal like Protist
(Parameciaum)
• How is
it like
an
animal?
• How is
it NOT
like an
animal?
Plantlike Protists
• Plantlike protists are
commonly called
algae
trophs
• Algae are auto_____
ar
can produce sug___
using photosynthesis
Why is Algae not a plant?
Brown Algae
• Algae is not a
nt because
pla___
they don’t have
the leaf, stem
ot
and ro____
structure of
plants.
Plant
Red Algae is used in Sushi
• Red Algae is
used to make ice
eam
cr_____,
hair
itioner
cond_______
and
hi
sus____
Fungus like protists
• Fungus like protist are
ophs have
heterotr____,
cell walls, and use
spores to reproduce
• Slime molds, water
molds and downy
mildews are examples
of fungus like protists