Week 3 – Day 1 1. OBJ 1 2 When can gas bubbles be made? The gas bubbles are what? 3

Week 3 – Day 1

1

OBJ 1

2

OBJ 1

• When can gas bubbles be made?

• The gas bubbles are what?

3

OBJ 1• When can gas

bubbles be made? (PHOTOSYNTHESIS – when plant has a light)

• The gas bubbles are what?

4

OBJ 1• When can gas

bubbles be made? (PHOTOSYNTHESIS – when plant has a light)

• The gas bubbles are what? (OXYGEN)

5

OBJ 1• What part of the

microscope should be used to adjust the amount of light illuminating a prepared slide?

A) EyepieceB) Rotating nosepieceC) DiaphragmD) Coarse-focus knob

6

OBJ 1• What part of the

microscope should be used to adjust the amount of light illuminating a prepared slide?

A) EyepieceB) Rotating nosepieceC) DiaphragmD) Coarse-focus knob

7

OBJ 1

• WHAT IS AN INFERENCE?

8

OBJ 1

• WHAT IS AN INFERENCE?

IT ISN’T A FACT

IT IS AN ASSUMPTION (a guess)

BUZZ WORDS

LOOKS LIKE IT IS AFFECTED BY

SEEMS TO BE ASSOCIATED WITH

SEEMS TO BE LINKED

9

OBJ 1

10

OBJ 1

11

OBJ 1

12

OBJ 2Part of a DNA strand is

represented in the diagram above. In order for DNA to replicate, the strand must separate at which of the

following locations?F) Between every phosphate-

sugar pairG) Between the eight sugar-

base pairsH) Between the four

nitrogenous base pairsJ) Between any two chemical

bonds 13



following locations? Between the four

nitrogenous base pairs

14





15





16

OBJ 2

17

OBJ 2Which of the following is best

supported by the information above?

A) Mutations located on chromosome 17 will result in cancer.

B) Cancerous growth will cause a mutation in some BRCA1 alleles.

C) Mutated BRCA1 alleles are only one factor involved in cancer.

D) Women with a mutant allele of BRCA1 will develop cancer.

18

ABSOLUTES

• ALBSOLUTES like WILL and ALWAYS…….usually are the __________ ANSWER

19

ABSOLUTES

• ALBSOLUTES like WILL and ALWAYS…….usually are the WRONG ANSWER

20

OBJ 2The swordfish has a heat-generating organ that

warms its brain and eyes up to 14°C above the surrounding water temperature. What structures are likely to be found in relatively high concentrations in the cells of this organ?

A) ChromosomesB) MitochondriaC) NucleiD) Ribosomes

21

OBJ 2The swordfish has a heat-generating organ that

warms its brain and eyes up to 14°C above the surrounding water temperature. What structures are likely to be found in relatively high concentrations in the cells of this organ?

A) ChromosomesB) MitochondriaC) NucleiD) Ribosomes

22

OBJ 2

23

OBJ 2 The diagram shows cell division

in which an error has occurred. Which of these statements

is most accurate? A) Cell A lacks the cytoplasm B) Cell B contains enough genetic material for the cell to reproduce itself. C) Cell A is free of any mutation D) Cell B lacks instructions for making the proteins

24




25




26

OBJ 2A change within a single base pair in DNA isLEAST LIKELY to be observable if the changeaffects —A) the production of a stop codonB) an unexpressed recessive traitC) actions of a codominant alleleD) the expression of a sex-linked trait

27

OBJ 2A change within a single base pair in DNA is LEAST LIKELY to be observable if the change

affects —A) the production of a

stop codonB) an unexpressed

recessive traitC) actions of a

codominant alleleD) the expression of a

sex-linked trait

28

OBJ 2A change within a single base pair in DNA isMOST LIKELY to be observable if the changeaffects —

29

OBJ 2A change within a single base pair in DNA isMOST LIKELY to be observable if the changeaffects —

DOMINANT TRAIT ……..(the big letters)

30

OBJ 3

31

OBJ 3 After the bird

eats it a few times and it tastes YUCKY since it ate the YUCKY plant…….what will the bird think every time it sees it?

32

OBJ 3 Birds

associate the bug’s color with the bad taste.

33

OBJ 3

According to the information in the box, whichof these best describes the relationshipbetween rhizobia and bean plants?

34

OBJ 3

According to the information in the box, whichof these best describes the relationshipbetween rhizobia and bean plants?

BOTH BENEFIT = MUTUALISM

35

OBJ 3• The diagram represents

different levels of a• marine food pyramid.

Between which two• levels is the greatest

amount of energy• transferred? WHY?• A) R and Q• B) S and R• C) T and S• D) U and T

36

OBJ 3The diagram represents

different levels of a marine food pyramid. Between which two levels is the greatest amount of energy

transferred? WHY?• D) U and T

• BOTTOM HAS THE MOST ENERGY SINCE PRODUCERS GIVE USE ALL THE ENERGY IN THE SYSTEM

37

OBJ 3The diagram above represents a

pyramid of biomass. Which of the following best explains why a pyramid shape is useful in this representation?

A) Most of the food consumed is recycled at every trophic level.

B) Energy from the producers is equally distributed in all trophic levels.

C) Decomposers receive a small amount of energy from the biomass.

D) Each trophic level supports a lesser amount of biomass.

38

OBJ 3The diagram above represents a

pyramid of biomass. Which of the following best explains why a pyramid shape is useful in this representation?

A) Most of the food consumed is recycled at every trophic level.

B) Energy from the producers is equally distributed in all trophic levels.

C) Decomposers receive a small amount of energy from the biomass.

D) Each trophic level supports a lesser amount of biomass.

39

OBJ 4Limestone is a sedimentary rock consisting

mostly of calcium carbonate (CaCO3). Which process is most likely to cause a chemical change to limestone?

F) Freezing water cracking limestoneG) Flowing water eroding a limestone riverbedH) Acid rain forming puddles on limestoneJ) Coastal waves dissolving limestone

sediments40

OBJ 4

Limestone is a sedimentary rock consisting mostly of calcium carbonate (CaCO3). Which process is most likely to cause a chemical change to limestone?

F) Freezing water cracking limestoneG) Flowing water eroding a limestone riverbedH) Acid rain forming puddles on limestoneJ) Coastal waves dissolving limestone

sediments41

OBJ 4

A 500 mL quantity of vanilla ice cream has amass of 400 grams. The manufacturer thenbubbles air into the ice cream so that itsvolume increases by 300 mL. What is the icecream’s approximate final density?

42

OBJ 4


43

OBJ 4


44

OBJ 4


45

OBJ 4Calcium ions play an important role in the

function of neurons in the brain. Elements that are chemically similar to calcium can interfere with the function of neurons. Which of the following is most likely to imitate calcium’s role in the function of neurons?

F) SodiumG) PotassiumH) StrontiumJ) Rubidium

46

OBJ 4 Calcium ions play an important role in the


F) Sodium G) Potassium H) Strontium J) Rubidium

47




48




49




50

OBJ 4

• What is the most likely reason that each water molecule is arranged so that the oxygen part of the molecule faces a sodium ion?

51

OBJ 4

• Why does the oxygen part of the molecule faces a sodium ion?

• Oxygen = Slightly NEGATIVE CHARGE so it is attracted to (+ ) charge of Sodium.

52

OBJ 4

53

OBJ 4

54

OBJ 4• Based on the data, a solution that is both an

acid and a strong electrolyte is —

55

OBJ 4• Based on the data, a solution that is both an

acid and a strong electrolyte is — SOLUTION 4

56

OBJ 4The mass of a rusty bicycle is found to be slightly

greater than the mass of the same bicycle before it rusted. The change in mass indicates that the rusting process —

A) is a physical changeB) involves an energy-to-matter conversionC) decreases the density of the metalD) involves metal bonding with other atoms

57

OBJ 4The mass of a rusty bicycle is found to be slightly

greater than the mass of the same bicycle before it rusted. The change in mass indicates that the rusting process —

A) is a physical changeB) involves an energy-to-matter conversionC) decreases the density of the metalD) involves metal bonding with other atoms

58

DISTANCE

• DISTANCE = ___________ = ______________

59

DISTANCE

• DISTANCE = WIDTH= THICKNESS

60

OBJ 5

The speed of sound in human tissue is about1600 m/s. If an ultrasound pulse takes1.5 × 10 – 5 s to travel through a tissue, what isthe thickness of the tissue?F) 2.4 kmG) 2.4 mH) 24 cmJ) 24 mm

61

OBJ 5


62

OBJ 5


63

OBJ 5


64

OBJ 5


65

OBJ 5


66

OBJ 5


67

OBJ 5


68

OBJ 5The speed of sound in human tissue is about1600 m/s. If an ultrasound pulse takes1.5 × 10 – 5 s to travel through a tissue, what isthe thickness of the tissue?F) 2.4 kmG) 2.4 mH) 24 cmJ) 24 mm

69


70


71

OBJ 5A tuning fork with a frequency of 256 Hz

vibrates when struck. Because of these vibrations, a nearby tuning fork begins to vibrate without being struck. Which of the following best accounts for the vibration of the second tuning fork?

F) ResonanceG) PolarizationH) DiffractionJ) Refraction

72

OBJ 5A tuning fork with a frequency of 256 Hz

vibrates when struck. Because of these vibrations, a nearby tuning fork begins to vibrate without being struck. Which of the following best accounts for the vibration of the second tuning fork?

F) ResonanceG) PolarizationH) DiffractionJ) Refraction

73

OBJ 5Which of these produces most of thecompounds responsible for causing acid rain?F) Nuclear fissionG) Fossil fuelsH) Solar cellsJ) Windmills

74

OBJ 5• Which of the following best explains how mercury

from batteries before 1992 got into the environment?

A) Newly batteries were transported long distances.B) Operating batteries increased the temperature of

conductors.C) Used batteries discarded in landfills decomposed.D) Voltage loss occurred between battery terminals.

75

OBJ 5• Explain how mercury from batteries before 1992

might have got into the environment?

A) Newly batteries were transported long distances.B) Operating batteries increased the temperature of

conductors.C) Used batteries discarded in landfills decomposed.D) Voltage loss occurred between battery terminals.

76

OBJ 5

A wet bar of soap slides 1 meter across a wettile floor without appearing to slow down.why does the bar of soap fails to slow down?

77

OBJ 5A wet bar of soap slides 1 meter across a wettile floor without appearing to slow down.why does the bar of soap fails to slow down?

An object in motion tends to remain in motion in the absence of an external force.

78

OBJ 5The table contains data for two wrecking ballsbeing used to demolish a building. What is thedifference in momentum between the twowrecking balls?

79

OBJ 5The table contains data for two wrecking ballsbeing used to demolish a building. What is thedifference in momentum between the twowrecking balls?

80

OBJ 5The table contains data for two wrecking ballsbeing used to demolish a building. What is thedifference in momentum between the twowrecking balls? ZERO DIFFERENCE

81

Documents

Week 3 – Day 1 1. OBJ 1 2 When can gas bubbles be made? The gas bubbles are what? 3