Week 5-Day 1

1
Week 5-Day 1
2
OBJ 1

• What is the most useful tool in
• identifying the wavelengths of visible light?

3
OBJ 1

• What is the most useful tool in
• identifying the wavelengths of visible light?
• Spectroscope

4
Obj 1

• What is the most appropriate unit of measure for
  reporting the density of a solid?
• F) g/cm 3
• G) g/cm
• H) g/L 2
• J) g/mm 2

5
Obj 1

• Which of these is the most appropriate unit of
  measure for reporting the density of a solid?
• g/cm 3

6
OBJ 1

• Which of the following is most useful in
• determining the kinetic energy of a 50 g
• battery-powered car traveling a distance of
• 10 m?
• A Beaker
• B Voltmeter
• C Thermometer
• D Stopwatch

7
OBJ 1

• Which of the following is most useful in
• determining the kinetic energy of a 50 g
• battery-powered car traveling a distance of
• 10 m?
• Stopwatch

8
OBJ 1

• Which variable do you change in the experiment?

9
OBJ 1

• Which variable do you change in the experiment?
• THINK ..I CHANGE

10
OBJ 1

• The independent variables can be found on which
  axis?

11
OBJ 1

• The independent variables can be found on which
  axis?

12
OBJ 1

• These data show how the mass of an undisturbed
  beaker of alcohol varied during a class period.
  What happened?

13
OBJ 2

• A deletion of a DNA base from a gene affects
• an organism by
• F) causing future gametes to have additional
• chromosomes
• G) changing the sequence of amino acids in a
• protein
• H) causing chromosome fragments to form
• long chains
• J) changing the structure of ribose sugar in
• nucleic acids

14
OBJ 2

• A deletion of a DNA base from a gene affects
• an organism by
• F) causing future gametes to have additional
• chromosomes
• G) changing the sequence of amino acids in a
• protein
• H) causing chromosome fragments to form
• long chains
• J) changing the structure of ribose sugar in
• nucleic acids

15
Obj 2

• Because chewing begins the breakdown of food
• before it is swallowed, digestion starts in the
• mouth and throat. Which of the following
• systems aids most in this early stage of
• digestion?
• A Immune system
• B Excretory system
• C Muscular system
• D Respiratory system

16
Obj 2

• Because chewing begins the breakdown of food
• before it is swallowed, digestion starts in the
• mouth and throat. Which of the following
• systems aids most in this early stage of
• digestion?
• A Immune system
• B Excretory system
• C Muscular system
• D Respiratory system

17
Obj 2

• Which of the following must occur before DNA
• replication can take place?
• A Translation of DNA into amino acids
• B Separation of the DNA molecule into codons
• C Transformation of DNA into RNA
• D Separation of the DNA double helix

18
Obj 2

• Which of the following must occur before DNA
• replication can take place?
• Separation of the DNA double helix

19
Obj 2

• Saltwater fish remove extra salt from their
• body by active transport through the gills.
• What is the result of this activity?
• A The salt becomes more chemically active.
• B Water balance is maintained in the blood.
• C The rate of energy production is decreased.
• D The cell membrane becomes less permeable to
  water.

20
Obj 2

• Saltwater fish remove extra salt from their
• body by active transport through the gills.
• What is the result of this activity?
• A The salt becomes more chemically active.
• B Water balance is maintained in the blood.
• C The rate of energy production is decreased.
• D The cell membrane becomes less permeable to
  water.

21
OBJ 3

• Some mesquite trees have deeper roots than
• any other plant in the desert. How are deep
• roots an adaptation for survival in the desert?

22
OBJ 3

• Some mesquite trees have deeper roots than
• any other plant in the desert. How are deep
• roots an adaptation for survival in the desert?
• Roots can extend great distances to reach
• water.

23
OBJ 3

• Some species of kelp anchor themselves to the
• seafloor. These species have small air sacs,
• called air bladders, at the base of each leaf.
• The air bladders raise the top of the kelp to
• the waters surface. What advantage do air
• bladders give the kelp?

24
OBJ 3

• Some species of kelp anchor themselves to the
• seafloor. These species have small air sacs,
• called air bladders, at the base of each leaf.
• The air bladders raise the top of the kelp to
• the waters surface. What advantage do air
• bladders give the kelp?
• They allow kelp leaves to receive greater amounts
  of sunlight.

25
Obj 3

• A study shows that 40 to 100 of raw
• poultry is contaminated by disease-causing
• bacteria. What is an activity that provides
  people the best protection from these bacteria?
• F Rinsing dishes thoroughly
• G Eating a balanced diet daily
• H Visiting a doctor regularly
• J Cooking foods properly

26
Obj 3

• A study shows that 40 to 100 of raw
• poultry is contaminated by disease-causing
• bacteria. Which of the following activities
• provides people the best protection from these
• bacteria?
• F Rinsing dishes thoroughly
• G Eating a balanced diet daily
• H Visiting a doctor regularly
• J Cooking foods properly

27
OBJ 3

• Which conclusion is best supported by the
• information in the diagram?
• F Volcanic eruptions were common in the area.
• G The area was once a marine environment.
• H Organisms in the area reproduced frequently.
• J Consumers once outnumbered producers
• in the area

28
Obj 3

• Insecticides help humans compete with
• insects for a resource. Which resource is most
• likely to be preserved for humans through the
• use of insecticides?
• F Sunlight
• G Water
• H Food
• J Air

29
Obj 3

• Insecticides help humans compete with
• insects for a resource. Which resource is most
• likely to be preserved for humans through the
• use of insecticides?
• Food

30
OBJ 3

• A man treated his home with a pesticide that
• kills roaches. The first application of the
• pesticide killed 92 of the roaches. Two
• months later he applied the pesticide to his
• home again, but the second application killed
• only 65 of the roaches. What would best
• explain the decrease in the effectiveness of the
• pesticide?

31
OBJ 3

• A man treated his home with a pesticide that
• kills roaches. The first application of the
• pesticide killed 92 of the roaches. Two
• months later he applied the pesticide to his
• home again, but the second application killed
• only 65 of the roaches. What would best
• explain the decrease in the effectiveness of the
• pesticide? The surviving roaches were naturally
• resistant to the pesticide, and that resistance
  was inherited by their offspring.

32
Obj 4

• The buoyant force that a fluid exerts on
• objects is increased when there is an increase
• in the fluids
• F acidity
• G clarity
• H solubility
• J density

33
Obj 4

• The buoyant force that a fluid exerts on
• objects is increased when there is an increase
• in the fluids
• F acidity
• G clarity
• H solubility
• J density

34
OBJ 4

• What would support the idea that
• mass is conserved in a reaction that produces
• a gas as a product?

35
OBJ 4

• What would support the idea that
• mass is conserved in a reaction that produces
• a gas as a product?
• Trapping the gas and measuring its mass

36
OBJ 4

• Elements found in which shaded area of this
  periodic table undergo the fewest chemical
  reactions?

37
OBJ 4

• Elements found in which shaded area of this
  periodic table undergo the fewest chemical
  reactions? T (NOBLE GASES DONT REACT)

38
OBJ 4

• As the viscosity of a liquid increases, the
• liquid
• F conducts electricity
• G pour more slowly
• H evaporates more quickly
• J forms a precipitate

39
OBJ 4

• As the viscosity of a liquid increases, the
• liquid
• F conducts electricity
• G pours more slowly
• H evaporates more quickly
• J forms a precipitate

40
OBJ 4

• Silver bromide is a type of halide. Elements
• from which group in the periodic table are
• necessary to form halide compounds?
• A Group 4
• B Group 5
• C Group 10
• D Group 17

41
OBJ 4

• Silver bromide is a type of halide. Elements
• from which group in the periodic table are
• necessary to form halide compounds?
• Group 17

42
OBJ 4

• In photography, which of these is an example
• of a chemical change?
• F) Light being refracted by a camera lens
• G) Adjusting a lens to focus light
• H) Halide granules being activated by light
• J) Allowing a certain wavelength of light
• into the camera

43
OBJ 4

• In photography, which of these is an example
• of a chemical change?
• F) Light being refracted by a camera lens
• G) Adjusting a lens to focus light
• H) Halide granules being activated by light
• J) Allowing a certain wavelength of light
• into the camera

44
OBJ 4

• Water normally boils at 100C at sea level and
• at 97C on a North American mountaintop.
• This difference in boiling points can be
• explained by the difference between the
• locations
• air pressure

45
OBJ 5

• A hockey player pushed a puck toward the
• opposite side of a level ice rink. The player
• expected the puck to continue all the way
• across the ice, but the puck slowed and
• stopped before reaching the other side.
• Why does the puck fail to slide all the way to
  the opposite side?

46
OBJ 5

• A hockey player pushed a puck toward the
• opposite side of a level ice rink. The player
• expected the puck to continue all the way
• across the ice, but the puck slowed and
• stopped before reaching the other side.
• Why does the puck fail to slide all the way to
  the opposite side? An opposing force acted on the
  puck.gravityfriction

47
OBJ 5

• Which of these devices uses the suns energy
  directly?
• A Windmill
• B Hydroelectric dam
• C Nuclear power plant
• D Photovoltaic cell

48
OBJ 5

• Which of these devices uses the suns energy
  directly?
• A Windmill
• B Hydroelectric dam
• C Nuclear power plant
• D Photovoltaic cell

49
Obj 5

• A 1-kilogram ball has a kinetic energy of
• 50 joules. The velocity of the ball is
• F) 5 m/s
• G) 10 m/s
• H) 25 m/s
• J) 50 m/s

50
Obj 5

• A 1-kilogram ball has a kinetic energy of
• 50 joules. The velocity of the ball is
• F) 5 m/s
• G) 10 m/s
• H) 25 m/s
• J) 50 m/s

51
Obj 5

• A 1-kilogram ball has a kinetic energy of
• 50 joules. The velocity of the ball is
• F) 5 m/s
• G) 10 m/s
• H) 25 m/s
• J) 50 m/s

52
Obj 5

• A 1-kilogram ball has a kinetic energy of
• 50 joules. The velocity of the ball is
• F) 5 m/s
• G) 10 m/s
• H) 25 m/s
• J) 50 m/s

53
Obj 5

• A 1-kilogram ball has a kinetic energy of
• 50 joules. The velocity of the ball is
• F) 5 m/s
• G) 10 m/s
• H) 25 m/s
• J) 50 m/s

54
OBJ 5

• A company has decided to market itself as
• environmentally friendly. If the company is
• going to sell calculators, the use of which
• energy source would produce the fewest
• by-products and the least waste?
• F Rechargeable batteries
• G Solar cells
• H Dry-cell batteries
• J Tesla coils

55
OBJ 5

• A company has decided to market itself as
• environmentally friendly. If the company is
• going to sell calculators, the use of which
• energy source would produce the fewest
• by-products and the least waste?
• F Rechargeable batteries
• G Solar cells
• H Dry-cell batteries
• J Tesla coils

56
Obj 5

• A guitar player is seated next to a piano. The
• piano player strikes an E key on the piano.
• The guitarist reports that this causes the E
• string on his guitar to vibrate. What is the
• name of this phenomenon?
• A Polarization
• B Resonance
• C Reflection
• D Diffraction

57
Obj 5

• A guitar player is seated next to a piano. The
• piano player strikes an E key on the piano.
• The guitarist reports that this causes the E
• string on his guitar to vibrate. What is the
• name of this phenomenon?
• Resonance

58
Obj 5

• A person pushes a large box across a level
• floor by applying a horizontal force of 200 N.
• If the person pushes the box a distance of
• 5 meters in 10 seconds, how much work does
• the person do on the box?
• A 2000 joules
• B 1000 joules
• C 400 joules
• D 100 joules

59
Obj 5

• A person pushes a large box across a level
• floor by applying a horizontal force of 200 N.
• If the person pushes the box a distance of
• 5 meters in 10 seconds, how much work does
• the person do on the box?
• A 2000 joules
• B 1000 joules
• C 400 joules
• D 100 joules

60
Obj 5

• A person pushes a large box across a level
• floor by applying a horizontal force of 200 N.
• If the person pushes the box a distance of
• 5 meters in 10 seconds, how much work does
• the person do on the box?
• A 2000 joules
• B 1000 joules
• C 400 joules
• D 100 joules

61
Obj 5

• A person pushes a large box across a level
• floor by applying a horizontal force of 200 N.
• If the person pushes the box a distance of
• 5 meters in 10 seconds, how much work does
• the person do on the box?
• A 2000 joules
• B 1000 joules
• C 400 joules
• D 100 joules