Week 1

1
Week 1 Day 2
2
OBJ 1

• Pain medications can be made as powders or
• tablets. The powders tend to work faster than
• tablets with the same ingredients because
• powder
• F) dissolves faster in solution than a single
  tablet
• G) has more total mass than a single tablet
• H) travels through the bloodstream more
• easily than a tablet
• J) is easier to swallow than tablets

3
OBJ 1

• Pain medications can be made as powders or
• tablets. The powders tend to work faster than
• tablets with the same ingredients because
• powder
• dissolves faster in solution than a single tablet

4
HOW TO GET THINGS TO DISSOLVE FASTER

• --CRUSH IT
• --HEAT IT
• --STIR IT
• CRUSHING IT INCREASES SURFACE AREAso IT HELPS IT
  DISSOLVE FASTER........

5
OBJ 1

• Which of the following will allow measurement of
  a liquids volume with the greatest precision?
• 50 mL cylinder graduated in 1 mL increments
• 100 mL cylinder graduated in 0.5 mL increments
• 100 mL cylinder graduated in 1 mL increments
• D) 200 mL cylinder graduated in 5 mL increments

6
OBJ 1

• THE MORE LINES (INCREMENTS).the more
  precision..
• 100 ml graduated cylinder graduated 0.5
  increments
• 100/0.5 200 lines

7
OBJ 1

• Ten different types of culture media were
  inoculated with the same strain of bacteria and
  incubated at the same temperature. Nine of the
  cultures grew. Which of these conclusions can be
  drawn from this information?
• F) The media used in the experiment are all
  capable of sustaining bacterial growth.
• G) The temperature varied greatly during the
  experiment.
• H) Only the culture that failed to grow bacteria
  was inoculated properly.
• J) One of the media lacked the nutrients needed
  for the bacteria to grow.

8
OBJ 1

• The owner of a pet store assures a customer that
  if she buys only one female hamster, she will not
  need to worry about the hamster having offspring,
  because there will be no male with which the
  female can breed. What possibility is the
  pet-store owner overlooking?
• F ) The hamster could be infertile.
• G) The sex of the hamster could change.
• H) The hamster could be pregnant.
• J) The hamster could be a twin.

9
OBJ 1

• The owner of a pet store assures a customer that
  if she buys only one female hamster, she will not
  need to worry about the hamster having offspring,
  because there will be no male with which the
  female can breed. What possibility is the
  pet-store owner overlooking?
• The hamster could be pregnant.

10
OBJ 1

• Which of the following pieces of equipment
• would be most appropriate for measuring the
• volume of a marble?

11
OBJ 1

• Which of the following pieces of equipment
• would be most appropriate for measuring the
• volume of a marble?

12
OBJ 1

• In an investigation 10,000 dung beetles were
  examined for the presence of parasites. The data
  showed that about 5 of the beetles had
  parasites. The results are
• F) invalid because only dung beetles were
  examined
• G) unsupported because the parasite population
  was small
• H) erroneous because more beetles should have
  had parasites
• J) valid because the sample size was sufficient
  for accuracy

13
OBJ 1

• In an investigation 10,000 dung beetles were
  examined for the presence of parasites. The data
  showed that about 5 of the beetles had
  parasites. The results are
• valid because the sample size was sufficient for
  accuracy (ALWAYS NEED A BIG SAMPLE SIZE)

14
OBJ 2

• The medulla, part of the brain stem, reacts
• quickly to increased levels of CO2 in the blood
• and stimulates a response from the
• A excretory system
• B immune system
• C respiratory system
• D integumentary system

15
OBJ 2

• The medulla, part of the brain stem, reacts
• quickly to increased levels of CO2 in the blood
• and stimulates a response from the
• respiratory system

16
OBJ 2

• Energy conversion within an animal cell
• would be severely limited by removal of the
• cells
• A) mitochondria
• B) chloroplasts
• C) plastids
• D) lysosomes

17
OBJ 2

• Energy conversion within an animal cell
• would be severely limited by removal of the
• cells
• A) mitochondria

18
OBJ 2

• Multicellular eukaryotes that are usually
• mobile and obtain food from other organisms
• probably belong to the kingdom
• A) Plantae
• B) Fungi
• C) Animalia
• D) Protista

19
OBJ 2

• Multicellular eukaryotes that are usually
• mobile and obtain food from other organisms
• probably belong to the kingdom
• Animalia

20
OBJ 2

• Which system is responsible for producing
• enzymes that aid in breaking down substances
• to be absorbed for the bodys growth and
• repair?
• F) Digestive system
• G) Reproductive system
• H) Respiratory system
• J) Skeletal system

21
OBJ 2

• Which system is responsible for producing
• enzymes that aid in breaking down substances
• to be absorbed for the bodys growth and
• repair?
• Digestive system

22
OBJ 2

• What trait will most likely be observed in all
  offspring of the above set of parents?
• A) Green feathers
• B) Yellow feathers
• C) Long beak
• D) Short beak

23
OBJ 2

• What trait will most likely
• be observed in all offspring
• of the above set of parents?
• TRAITS YOU SEE DOMINANT
• Capital Letters Dominant
• GO WITH THE ONE WITH THE MOST CAPITAL LETTERS

24
OBJ 3

• Which organisms in this food web can be described
  as both primary and secondary
• consumers?
• F) Hawks
• G) Weasels
• H) Raccoons
• J) Mice

25
OBJ 3

• This relationship is an example of
• A) predation
• B) parasitism
• C) mutualism
• D) commensalism

26
OBJ 3

• Wolves and hawks are at the same trophic level
  because they
• A) both live on land
• B) are both large mammals
• C) both eat primary consumers
• D) have similar hunting patterns

27
OBJ 3

• Which characteristics might help a
• plant species survive in an area with limited
• sunlight?
• F) Bright flowers
• G) Large leaves
• H) Short stems
• J) Thick cuticles

28
OBJ 3

• In this food chain, the spiders are
• A) producers
• B) primary consumers
• C) competitors
• D) secondary consumers

29
OBJ 3

• A person living near this pond wants to reduce
  the mosquito population. The mosquito population
  included in this food web could be reduced by

30
OBJ 3

• A person living near this pond wants to reduce
  the mosquito population. The mosquito population
  included in this food web could be reduced by
• ADDING MORE SHELTER FOR FROGS

31
OBJ 4

• What is the volume of a 500.00 mass sample of
• seawater with a density of 1.025 g/mL?
• F) 487.8 g
• G) 500.0 g
• H) 512.5 g
• J) 625.0 g

32
OBJ 4

• As a scuba diver goes deeper underwater, the
• diver must be aware that the increased
• pressure affects the human body by increasing
• the
• A) bodys temperature
• B) amount of dissolved gases in the body
• C) amount of suspended solids in the body
• D) concentration of minerals in the body

33
OBJ 4

• What are the coefficients that will balance
• this chemical equation?
• A 2, 1, 1
• B 3, 4, 2
• C 2, 2, 1
• D 4, 3, 2

34
OBJ 4

• What are the coefficients that will balance this
  chemical equation?
• A 2, 1, 1
• B 3, 4, 2
• C 2, 2, 1
• D 4, 3, 2

35
OBJ 4

• What are the coefficients that will balance this
  chemical equation?
• A 2, 1, 1
• B 3, 4, 2
• C 2, 2, 1
• D 4, 3, 2

36
OBJ 4

• What are the coefficients that will balance this
  chemical equation?
• A 2, 1, 1
• B 3, 4, 2
• C 2, 2, 1
• D 4, 3, 2

37
OBJ 4

• What are the coefficients that will balance this
  chemical equation?
• A 2, 1, 1
• B 3, 4, 2
• C 2, 2, 1
• D 4, 3, 2

38
OBJ 4

• Which of the following salts has the greatest
  solubility in water at 25C?
• F CaCO3
• G FeS
• H HgCl2
• J KClO4

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44
OBJ 4

• What is an example of a
• chemical change?
• F Ice cracking
• G Sugar dissolving
• H Milk souring
• J Lead melting

45
OBJ 4

• What is an example of a
• chemical change?
• Milk souring (CANt GET SOUR MILK BACK)

46
OBJ 4

• Which factor makes water an effective
• solvent?
• F The presence of molecular oxygen
• G Its lack of covalent bonds
• H The polar nature of its molecules
• J Its abundance on Earths surface

47
OBJ 4

• Which factor makes water an effective
• solvent?
• WHEN THEY ASK ABOUT WATER THINK polar

48
OBJ 5

• The diagram represents the total travel of a
  teacher on a Saturday. Which part of the trip is
  made at the greatest average speed?
• F) Q
• G) R
• H) S
• J) T

49
OBJ 5

• The diagram represents the total travel of a
  teacher on a Saturday. Which part of the trip is
  made at the greatest average speed?

50
OBJ 5

• The diagram represents the total travel of a
  teacher on a Saturday. Which part of the trip is
  made at the greatest average speed?

51
OBJ 5

• What is the current in a copper wire that
• has a resistance of 2 ohms and is connected
• to a 9-volt electrical source?
• F) 0.22 amp
• G) 4.5 amps
• H) 11.0 amps
• J) 18.0 amps

52
OBJ 5

• What is the current in a copper wire that
• has a resistance of 2 ohms and is connected
• to a 9-volt electrical source?
• F) 0.22 amp
• G) 4.5 amps
• H) 11.0 amps
• J) 18.0 amps

53
OBJ 5

• The illustration shows a student about to throw a
  ball while standing on a skateboard. Which
  illustration below correctly shows the
  skateboards direction of motion after the
  student releases the ball?

54
OBJ 5

• The illustration shows a student about to throw a
  ball while standing on a skateboard. Which
  illustration below correctly shows the
  skateboards direction of motion after the
  student releases the ball?

55
OBJ 5

• Which bike rider has the greatest momentum?
• A) A 40 kg person riding at 45 km/h
• B) A 50 kg person riding at 35 km/h
• C) A 60 kg person riding at 25 km/h
• D) A 70 kg person riding at 15 km/h

56
OBJ 5

• Which bike rider has the greatest momentum?
• A) A 40 kg person riding at 45 km/h
• B) A 50 kg person riding at 35 km/h
• C) A 60 kg person riding at 25 km/h
• D) A 70 kg person riding at 15 km/h

57
OBJ 5

• Which bike rider has the greatest momentum?
• A) A 40 kg person riding at 45 km/h
• B) A 50 kg person riding at 35 km/h
• C) A 60 kg person riding at 25 km/h
• D) A 70 kg person riding at 15 km/h

58
OBJ 5

• Which bike rider has the greatest momentum?
• A) A 40 kg person riding at 45 km/h
• B) A 50 kg person riding at 35 km/h
• C) A 60 kg person riding at 25 km/h
• D) A 70 kg person riding at 15 km/h

59
OBJ 5

• Which bike rider has the greatest momentum?
• A) A 40 kg person riding at 45 km/h
• B) A 50 kg person riding at 35 km/h
• C) A 60 kg person riding at 25 km/h
• D) A 70 kg person riding at 15 km/h

60
OBJ 5

• Fuel cells powered by plankton from the
• seabed can be used to operate instruments
• that monitor ocean currents and water
• temperature. These fuel cells get their energy
• by converting
• F chemical energy to electrical energy
• G electrical energy to mechanical energy
• H hydroelectric energy to geothermal energy
• J mechanical energy to chemical energy

61
OBJ 5

• Fuel cells powered by plankton from the
• seabed can be used to operate instruments
• that monitor ocean currents and water
• temperature. These fuel cells get their energy
• by converting
• chemical energy to electrical energy

62
OBJ 5

• What is a characteristics that could help short
  plants survive in areas with limited sunlight?
• F Broad leaf surfaces
• G Brightly colored flowers
• H Thick stems
• J Shallow roots

63
OBJ 5

• What is a characteristics that could help short
  plants survive in areas with limited sunlight?
• Broad leaf surfaces