Transcript Week 5 Day 2

Week 4 – Day 2
OBJ 1
What question is trying to be answered?
OBJ 1
What question is trying to be answered?
Does HEATING TIME affect the amount
of mass that can be lifted
OBJ 1
A researcher wants to determine the average
number of cave crickets that exit a certain
cave in the first two hours after sunset. The
best procedure for collecting precise data in
this investigation is to
OBJ 1
A researcher wants to determine the average
number of cave crickets that exit a certain
cave in the first two hours after sunset. The
best procedure for collecting precise data in
this investigation is to
COUNT crickets exiting the cave on several
nights and calculate the AVERAGE value
OBJ 1
Why is this
inaccurate?
OBJ 1
Why is this
inaccurate?
some light
must enter a
window in
order for
people to
see out
Obj 2
• Which of the
following shows
an example of an
open circulatory
system?
Obj 2
• Which of the
following shows
an example of an
open circulatory
system?
Obj 2
• Which of the
following shows
an example of an
open circulatory
system?
OBJ 2
• In animal cells like the
one shown above,
which organelle is used
for storing water?
OBJ 2
• In animal cells like the
one shown above,
which organelle is used
for storing water?
VACUOLE
OBJ 2
• In animal cells like the
one shown above,
which thing controls
everything (is HQ the
Headquarters)
OBJ 2
• In animal cells like the
one shown above,
which thing controls
everything (is HQ the
Headquarters)
NUCLEUS
Obj 2
• Botanists cross a heterozygous (Pp) plant
having purple flowers with a homozygous (pp)
plant having white flowers. About what
percentage of the offspring will have purple
flowers?
Obj 2
• Botanists cross a heterozygous (Pp) plant
having purple flowers with a homozygous (pp)
plant having white flowers. About what
percentage of the offspring will have purple
flowers?
Obj 2
• Botanists cross a heterozygous (Pp) plant
having purple flowers with a homozygous (pp)
plant having white flowers. About what
percentage of the offspring will have purple
flowers?
Obj 2
• Botanists cross a heterozygous (Pp) plant
having purple flowers with a homozygous (pp)
plant having white flowers. About what
percentage of the offspring will have purple
flowers?
Obj 2
• Botanists cross a heterozygous (Pp) plant
having purple flowers with a homozygous (pp)
plant having white flowers. About what
percentage of the offspring will have purple
flowers? PURPLE FLOWERS= 50% WHITE
FLOWERS= 50%
OBJ 2
The cells of animals release energy through
the process of —
A photosynthesis
B respiration
C DNA replication
D protein synthesis
OBJ 2
The cells of animals release energy through
the process of —
A photosynthesis
B respiration
C DNA replication
D protein synthesis
OBJ 2
Why will knowledge of the human genome
enable scientists to better understand proteins
involved in human diseases?
OBJ 2
Why will knowledge of the human genome
enable scientists to better understand proteins
involved in human diseases?
DNA contains the info to make PROTEINS…
KNOW PROTEINS MORE…..FIGURE OUT HOW
THEY ARE INVOLVED IN DISEASES
OBJ 2
Why will knowledge of the human genome
enable scientists to better understand proteins
involved in human diseases?
OBJ 2
Fungi are different from plants in that fungi
F secrete enzymes
G decompose organic waste
H contain DNA
J have cell walls
OBJ 2
Fungi are different from plants in that fungi
F secrete enzymes
G decompose organic waste
H contain DNA
J have cell walls
OBJ 3
• The photograph
above hows a virus
attacking a human T
cell (immune cell).
Which disease could
result if many T cells
are destroyed in this
manner?
OBJ 3
• The photograph
above hows a virus
attacking a human T
cell (immune cell).
Which disease could
result if many T cells
are destroyed in this
manner? AIDS
OBJ 3
U is closest to=
V is closet to =
X is closest to =
OBJ 3
U is closest to= T
V is closet to =
X is closest to =
OBJ 3
U is closest to= T
V is closet to = W
X is closest to =
OBJ 3
U is closest to= T
V is closet to = W
X is closest to = W
Obj 3
Liana plants are woody vines that grow on some
trees in rain forests. These climbing plants are
most likely adapted for —
Obj 3
Liana plants are woody vines that grow on some
trees in rain forests. These climbing plants are
most likely adapted for —
GROWING through layers of foliage
to reach available sunlight
OBJ 3
• The diagram above
shows a simplified
food pyramid. The
number of organisms
is generally smaller at
the top than at the
bottom because
organisms at the top
usually —
OBJ 3
• The diagram above
shows a simplified
food pyramid. The
number of organisms
is generally smaller at
the top than at the
bottom because
organisms at the top
usually — REQUIRE
MORE ENERGY
OBJ 3
Some members of the pumpkin family
produce roots capable of storing large
amounts of water. Some of these roots
have a mass of about 30 kg. In which type
of environment are these plants most likely
found?
F Aquatic
G Dry
H Cold
J Humid
OBJ 3
Some members of the pumpkin family
produce roots capable of storing large
amounts of water. Some of these roots
have a mass of about 30 kg. In which type
of environment are these plants most likely
found?
F Aquatic
G Dry
H Cold
J Humid
OBJ 3
• The birds eat the crickets the buffalos
cause to fly up and the bison don’t
bother the birds. What is the
relationship?
OBJ 3
• The birds eat the crickets the buffalos
cause to fly up and the bison don’t
bother the birds.
•
COMMENSAL
OBJ 3
A hypothesis that two organisms from
different species are related to each other is
best supported by —
F) the presence of homologous structures
G) a similarity in diet
H) the presence of nitrogenous bases
J) a similarity in method of reproduction
OBJ 3
A hypothesis that two organisms from
different species are related to each other is
best supported by —
F) the presence of homologous structures
G) a similarity in diet
H) the presence of nitrogenous bases
J) a similarity in method of reproduction
OBJ 4
• What is a proper way to dispose of a
solid produced during a chemical
reaction?
OBJ 4
• What is a proper way to dispose of a solid
produced during a chemical reaction?
• PLACE THEM IN DESIGNATED containers
OBJ 4
• What 2 things
do you know
from this
picture?
OBJ 4
• Which of the
following
conclusions is
the best for the
experiment
shown above?
OBJ 4
What is a step in the digestive process that is
a physical change?
F) Water being absorbed in the large
intestine
G) Enzymes breaking down proteins into
amino acids
H) Saliva changing starches into sugars
J) Insulin metabolizing simple sugars
OBJ 4
What is a step in the digestive process that is
a physical change?
F) Water being absorbed in the large
intestine
G) Enzymes breaking down proteins into
amino acids
H) Saliva changing starches into sugars
J) Insulin metabolizing simple sugars
OBJ 4
Which of these steps in the digestive process
is a physical change?
F) Water being absorbed in the large
intestine
G) Enzymes breaking down proteins into
amino acids
H) Saliva changing starches into sugars
J) Insulin metabolizing simple sugars
OBJ 4
A student added a small
amount of sodium
carbonate solution
(Na2CO3) to a test tube
containing calcium
chloride (CaCl2) solution.
A white solid immediately
appeared. What
conclusion can be made
from this experiment?
OBJ 4
When copper and oxygen chemically
unite, they form —
F) an ion
G) a gas
H) a compound
J) a mixture
OBJ 4
When copper and oxygen chemically
unite, they form —
F) an ion
G) a gas
H) a compound
J) a mixture
OBJ 4
When 2 oxygen molecules combine
together, they form a?
F) an ion
G) a gas molecule
H) a compound
J) a mixture
OBJ 4
When 2 oxygen molecules combine
together, they form a?
F) an ion
G) a gas
H) a compound
J) a mixture
OBJ 4
What are the coefficients when this equation is
balanced?
OBJ 4
What are the coefficients when this equation is
balanced?
OBJ 4
What are the coefficients when this equation is
balanced?
OBJ 4
What are the coefficients when this equation is
balanced?
OBJ 4
What are the coefficients when this equation is
balanced?
OBJ 4
What are the coefficients when this equation is
balanced?
OBJ 4
• Why does this violate the conservation of
mass?
OBJ 4
• Why does this violate the conservation of
mass?
OBJ 5
The Pioneer 10 spacecraft was launched in
March 1972 to explore the solar system.
Pioneer 10 has continued on its journey and is
now traveling beyond the solar system. Which
statement best explains why Pioneer 10
continues to travel farther out into space?
OBJ 5
The Pioneer 10 spacecraft was launched in
March 1972 to explore the solar system.
Pioneer 10 has continued on its journey and is
now traveling beyond the solar system. Which
statement best explains why Pioneer 10
continues to travel farther out into space?
OBJECTS IN MOTION STAY IN MOTION, objects
are rest stay at rest…UNLESS A FORCE ACTS
ON IT
OBJ 5
If a 2.0 kg mass is moving at a constant
velocity of 15 m/s, what is its momentum in
kg · m/s?
OBJ 5
If a 2.0 kg mass is moving at a constant
velocity of 15 m/s, what is its momentum in
kg · m/s?
OBJ 5
If a 2.0 kg mass is moving at a constant
velocity of 15 m/s, what is its momentum in
kg · m/s?
OBJ 5
If a 2.0 kg mass is moving at a constant
velocity of 15 m/s, what is its momentum in
kg · m/s?
OBJ 5
• What color will a ripe
strawberry appear to be
• under these lights if no
other light is present?
OBJ 5
• What color will a ripe
strawberry appear to be
• under these lights if no
other light is present?
• RED
OBJ 5
Heat energy is transferred from the hot
end of a metal wire to the cool end
through —
A) radiation
B) reflection
C) conduction
D) convection
OBJ 5
Heat energy is transferred from the hot
end of a metal wire to the cool end
through —
A)
B)
C)
D)
radiation
reflection
conduction = TOUCHING
convection
OBJ 5
When a car suddenly stops at a red light, a
book lying on the car seat slides forward.
WHY does the book continue to move
forward?
The book’s inertia causes it to continue
moving.
OBJ 5
When a car suddenly stops at a red light, a
book lying on the car seat slides forward.
WHY does the book continue to move
forward?
The book’s inertia causes it to continue
moving.
OBJ 5
The velocity of a 40 kg object increases from
20 m/s to 30 m/s in 2 seconds. What is the
acceleration of the object during these 2
seconds?
F) 4 m/s2
G) 5 m/s2
H) 10 m/s2
J) 50 m/s2
OBJ 5
The velocity of a 40 kg object increases from
20 m/s to 30 m/s in 2 seconds. What is the
acceleration of the object during these 2
seconds?
F) 4 m/s2
G) 5 m/s2
H) 10 m/s2
J) 50 m/s2
OBJ 5
The velocity of a 40 kg object increases from
20 m/s to 30 m/s in 2 seconds. What is the
acceleration of the object during these 2
seconds?
F) 4 m/s2
G) 5 m/s2
H) 10 m/s2
J) 50 m/s2
OBJ 5
The velocity of a 40 kg object increases from
20 m/s to 30 m/s in 2 seconds. What is the
acceleration of the object during these 2
seconds?
F) 4 m/s2
G) 5 m/s2
H) 10 m/s2
J) 50 m/s2