![Answers to ILS Part two given out on Friday
46 Acceptable responses include, but are not limited to:
— sexual reproduction
— fertilization
— reproduction
— laying eggs
— mating
47 Acceptable responses include, but are not limited to:
— competition
— disease
— extreme change in temperature
— They could not get enough food.
— They have reached their life span.
— ran out of food or water
Unacceptable responses include:
There was not enough air/oxygen for the flies. (This is addressed in the description of the
experiment.)
48 fertilization.
49 Acceptable responses include, but are not limited to:
— cell division
— mitosis
— growth
— cleavage
Unacceptable responses include:
asexual reproduction (Asexual reproduction results in the production of a new organism.
The diagram shows only new cells being reproduced.)
50 Example of a 1-credit response:
Group A 50%
Group AB 25%
Group B 25%
Group O 0%
51 [1] Allow 1 credit for correctly completing the Punnett square as shown below. All
four boxes must
be correct to receive this credit.
Example of a 1-credit response:
A B
A AA AB
B AB BB
Note: The order of the letters in each box does not matter, for example, AB is the same as
BA.](https://image.slidesharecdn.com/answerstoilsparttwogivenoutonfriday-100604145109-phpapp02/85/Answers-to-ILS-part-two-given-out-on-friday-1-320.jpg)
![60 Acceptable responses include, but are not limited to:
— any value from 27 to 31 days
— 1 month
61 gravity or centripetal force.
Unacceptable responses include:
centrifugal force
inertia
62 Acceptable responses include, but are not limited to:
— tides
— eclipse
— same side of the Moon always faces Earth
Unacceptable responses include, but are not limited to:
gives light at night
lights up sky at night
63 [1] Allow 1 credit for drawing and labeling the positions of the North and South Poles
somewhere within the bracketed area
64 [1] Allow 1 credit for shading in the half of Earth away from the Sun.
EquatorEquator
Sun’s rays
June 21
Equator
Note: Do not allow credit for shading based on the position of the poles.
65 Acceptable responses include, but are not limited to:
— igneous rock
— volcanic rock
— granite
66 Acceptable responses include, but are not limited to:
— deposition
— deposition of sediments
— burial
— compaction
— cementation
— weathering
— erosion
---uplift](https://image.slidesharecdn.com/answerstoilsparttwogivenoutonfriday-100604145109-phpapp02/85/Answers-to-ILS-part-two-given-out-on-friday-3-320.jpg)
![67 Acceptable responses include, but are not limited to:
— theory of plate tectonics
— tectonic plates
— convection cells
— seafloor spreading
Unacceptable responses include:
crustal plate movement (This information is given in the introduction to the question.)
68 [1] Allow 1 credit. Acceptable responses include, but are not limited to:
— volcanic activity/eruption
— volcano formation
— earthquake
— tsunami
— faulting/folding
— mountain building
— subduction
— trench formation
— landslide
Note: Allow credit for an event, such as a volcanic eruption, not for a feature, such as a
volcano.
69 Acceptable responses include, but are not limited to:
— The circuit is open.
— Circuit is not closed.
— The path is not complete.
— The switch is open.
70 Acceptable responsesinclude, but are not limited to:
— temperature/temperature of the water
— amount of heat
— solid sugar cube vs. grains
— form of sugar
— shape of sugar
— type of sugar
— surface area
— amount of stirring
71
Example of a 2-credit response:
Note: Allow credit if the student lists the densities in correct order instead of listing the
names of
the solid materials.
72 Acceptable responses include, but are not limited to:](https://image.slidesharecdn.com/answerstoilsparttwogivenoutonfriday-100604145109-phpapp02/85/Answers-to-ILS-part-two-given-out-on-friday-4-320.jpg)
![— Let the water evaporate.
— Heat the water to make it evaporate.
— Boil the water.
73 Acceptable responses include, but are not limited to:
— The metal clip would move toward the magnet.
— The metal clip would attach to the magnet.
— The metal clip would move upward.
74. Acceptable responses include, but are not limited to:
— The plastic clip would not be attracted to the magnet.
— The plastic clip would be lying on the ring stand base.
— The plastic clip would fall.
75
Allow 2 credits if all six Xs are correctly plotted within the circles shown and correctly
connected with a line that passes through the circles.
Allow 1 credit if only four or five Xs are correctly plotted within the circles shown and
correctly
connected with a line that passes through the circles.
or
Allow 1 credit if all six Xs are correctly plotted but not connected with a line that passes
through
the circles.
Example of a 2-credit response:
Note: Allow credit if a symbol other than an X is used to plot the points.
Raters might find it helpful to create a transparent overlay to use when rating this graph.
Int.-Lev. Sci.—Spring ’08 Rating Guide [16]
76 60 grams ± 2 grams or an acceptable response based on the student’s graph
for question 75.
77 Acceptable responses include, but are not limited to:
— The higher the temperature, the more grams of ammonium chloride dissolve.
— As the temperature increases, the solubility increases.
— There is a direct relationship between temperature and the amount of ammonium
chloridethat will dissolve.
— a direct relationship
Note: Do not allow credit for the answer “temperature affects solubility.”
78 Acceptable responses include, but are not limited to:](https://image.slidesharecdn.com/answerstoilsparttwogivenoutonfriday-100604145109-phpapp02/85/Answers-to-ILS-part-two-given-out-on-friday-5-320.jpg)
![— using the same ball
— the ball being thrown by the same person
— the ball being thrown from the same distance
— the ball being thrown underhand or overhand
— use same hand first for all students
— the force used to throw the ball
— number of tries (20)
— all students should be the same sex
— all five students were right-handed
79
Wavelength Form of Electromagnetic Energy
microwaves
visible light
ultraviolet light
Longest
Wavelength
Shortest
Wavelength x rays
80 Facts About Forms of
Electromagnetic Energy Form of Electromagnetic Energy
may cause sunburn ultraviolet light
used to detect broken bones x rays
made up of various colors visible light
used for cooking food microwaves
81 [1] Allow 1 credit for placing an X at 20° S 60° W.
Example of a 1-credit response:
40°N
20°N
0°
20°S
40°S
120°W 100°W 80°W 60°W 40°W 20°W 0°](https://image.slidesharecdn.com/answerstoilsparttwogivenoutonfriday-100604145109-phpapp02/85/Answers-to-ILS-part-two-given-out-on-friday-6-320.jpg)
Answers to ILS part two given out on friday
- 1. Answers to ILS Part two given out on Friday 46 Acceptable responses include, but are not limited to: — sexual reproduction — fertilization — reproduction — laying eggs — mating 47 Acceptable responses include, but are not limited to: — competition — disease — extreme change in temperature — They could not get enough food. — They have reached their life span. — ran out of food or water Unacceptable responses include: There was not enough air/oxygen for the flies. (This is addressed in the description of the experiment.) 48 fertilization. 49 Acceptable responses include, but are not limited to: — cell division — mitosis — growth — cleavage Unacceptable responses include: asexual reproduction (Asexual reproduction results in the production of a new organism. The diagram shows only new cells being reproduced.) 50 Example of a 1-credit response: Group A 50% Group AB 25% Group B 25% Group O 0% 51 [1] Allow 1 credit for correctly completing the Punnett square as shown below. All four boxes must be correct to receive this credit. Example of a 1-credit response: A B A AA AB B AB BB Note: The order of the letters in each box does not matter, for example, AB is the same as BA.
- 2. 52 nucleus. 53 two acceptable responses. Acceptable responses include, but are not limited to: — cell wall — chloroplast — large vacuole 54 photosynthesis. 55 Acceptable responses include, but are not limited to: — sunlight — light — light energy — radiant energy — solar energy 56 Acceptable responses include, but are not limited to: — food — Animals eat plants. — shelter 57 Acceptable responses include, but are not limited to: — clean — renewable — does not contribute to air pollution — does not produce greenhouse gases/CO2 — does not cause global warming — helps save fossil fuels — helps conserve fossil fuels 58 Acceptable responses include, but are not limited to: — not always reliable — depends on the weather — wind not constant — not possible in all locations — noise pollution/noisy — visual impact — requires extensive land use — animals can get caught in them — need a lot of them to get power 59 Acceptable responses include, but are not limited to: — rotation — spinning on its axis — spinning
- 3. 60 Acceptable responses include, but are not limited to: — any value from 27 to 31 days — 1 month 61 gravity or centripetal force. Unacceptable responses include: centrifugal force inertia 62 Acceptable responses include, but are not limited to: — tides — eclipse — same side of the Moon always faces Earth Unacceptable responses include, but are not limited to: gives light at night lights up sky at night 63 [1] Allow 1 credit for drawing and labeling the positions of the North and South Poles somewhere within the bracketed area 64 [1] Allow 1 credit for shading in the half of Earth away from the Sun. EquatorEquator Sun’s rays June 21 Equator Note: Do not allow credit for shading based on the position of the poles. 65 Acceptable responses include, but are not limited to: — igneous rock — volcanic rock — granite 66 Acceptable responses include, but are not limited to: — deposition — deposition of sediments — burial — compaction — cementation — weathering — erosion ---uplift
- 4. 67 Acceptable responses include, but are not limited to: — theory of plate tectonics — tectonic plates — convection cells — seafloor spreading Unacceptable responses include: crustal plate movement (This information is given in the introduction to the question.) 68 [1] Allow 1 credit. Acceptable responses include, but are not limited to: — volcanic activity/eruption — volcano formation — earthquake — tsunami — faulting/folding — mountain building — subduction — trench formation — landslide Note: Allow credit for an event, such as a volcanic eruption, not for a feature, such as a volcano. 69 Acceptable responses include, but are not limited to: — The circuit is open. — Circuit is not closed. — The path is not complete. — The switch is open. 70 Acceptable responsesinclude, but are not limited to: — temperature/temperature of the water — amount of heat — solid sugar cube vs. grains — form of sugar — shape of sugar — type of sugar — surface area — amount of stirring 71 Example of a 2-credit response: Note: Allow credit if the student lists the densities in correct order instead of listing the names of the solid materials. 72 Acceptable responses include, but are not limited to:
- 5. — Let the water evaporate. — Heat the water to make it evaporate. — Boil the water. 73 Acceptable responses include, but are not limited to: — The metal clip would move toward the magnet. — The metal clip would attach to the magnet. — The metal clip would move upward. 74. Acceptable responses include, but are not limited to: — The plastic clip would not be attracted to the magnet. — The plastic clip would be lying on the ring stand base. — The plastic clip would fall. 75 Allow 2 credits if all six Xs are correctly plotted within the circles shown and correctly connected with a line that passes through the circles. Allow 1 credit if only four or five Xs are correctly plotted within the circles shown and correctly connected with a line that passes through the circles. or Allow 1 credit if all six Xs are correctly plotted but not connected with a line that passes through the circles. Example of a 2-credit response: Note: Allow credit if a symbol other than an X is used to plot the points. Raters might find it helpful to create a transparent overlay to use when rating this graph. Int.-Lev. Sci.—Spring ’08 Rating Guide [16] 76 60 grams ± 2 grams or an acceptable response based on the student’s graph for question 75. 77 Acceptable responses include, but are not limited to: — The higher the temperature, the more grams of ammonium chloride dissolve. — As the temperature increases, the solubility increases. — There is a direct relationship between temperature and the amount of ammonium chloridethat will dissolve. — a direct relationship Note: Do not allow credit for the answer “temperature affects solubility.” 78 Acceptable responses include, but are not limited to:
- 6. — using the same ball — the ball being thrown by the same person — the ball being thrown from the same distance — the ball being thrown underhand or overhand — use same hand first for all students — the force used to throw the ball — number of tries (20) — all students should be the same sex — all five students were right-handed 79 Wavelength Form of Electromagnetic Energy microwaves visible light ultraviolet light Longest Wavelength Shortest Wavelength x rays 80 Facts About Forms of Electromagnetic Energy Form of Electromagnetic Energy may cause sunburn ultraviolet light used to detect broken bones x rays made up of various colors visible light used for cooking food microwaves 81 [1] Allow 1 credit for placing an X at 20° S 60° W. Example of a 1-credit response: 40°N 20°N 0° 20°S 40°S 120°W 100°W 80°W 60°W 40°W 20°W 0°