May 28, Final Exam Review.notebook

Transcription

1 A man is preparing two solutions of salt dissolved in water. Solution "A" has 15 grams of salt dissolved in 100 ml of water. Solution "B", which also has 100 ml of water, is less concentrated than solution "A". This means that: A) "B" has less than 15 g of salt B) "B" has more than 15 g of salt C) "B" has exactly 15 g of salt D) "B" has a different substance dissolved in it May 26 6:13 PM Which lens is used to correct near sightedness, and how does this lens correct the vision? A) convex lens, which allows the image to fall on the retina B) convex lens, which allows the image to fall behind the retina C) concave lens, which allows the image to fall on the retina D) concave lens, which allows the image to fall behind the retina May 26 6:18 PM 1

2 When calculating pressure, if the force on an object is 25 N and the area that the force is applied to is 2 m2, what would be the resulting pressure? A) 50 N/m 2 B) 10 N/m 2 C) 5 N/m 2 D) 12.5 N/m 2 May 26 6:26 PM When visiting the mountains, you may come across a bowl shaped area eroded away by a valley glacier. This area is known as a/an A) horn B) cirques C) arête D) outwash May 26 6:20 PM 2

3 In the human eye, what is the coloured ring called? A) pupil B) cornea C) blind spot D) iris May 26 6:21 PM The water cycle controls the distribution of water on the Earth by going through which particular sequence? A) evaporates from bodies of water, condenses, precipitates, and returns to those bodies of water B) evaporates from bodies of water, precipitates, condenses, and returns to those bodies of water C) evaporates from bodies of water, condenses, and returns to those bodies of water D) evaporates from bodies of water, precipitates, and returns to those bodies of water May 26 6:23 PM 3

4 Red blood cells are transporters of A) wastes and nutrients B) carbon dioxide and nutrients C) oxygen and wastes D) oxygen and carbon dioxide May 26 6:23 PM What is the difference between a hydraulic system and a pneumatic system? A) Hydraulic systems compress air, whereas pneumatic systems do not. B) Hydraulic systems use air, whereas pneumatic systems use an enclosed liquid. C) Hydraulic systems use an enclosed liquid, whereas pneumatic systems use air. D) There is no real difference between the two systems. May 26 6:44 PM 4

5 As you run off a sandy beach into the ocean, it becomes harder to move as your legs have to tread through deeper and deeper water. Why is it harder to walk in water than in air? A) Water is lighter in mass B) Water is less viscous C) Water is more viscous and denser. D) Water is less dense. May 26 6:24 PM The order, from smallest to largest, of living structures is A) cell, tissue, organ, organ system B) cell, organ, tissue, organ system C) tissue, organ, cell, organ system D) organ system, organ, tissue, cell May 26 6:25 PM 5

6 An egg beater (hand operated) is used to mix liquids at high speeds. To make this possible, the gear train has A) a small driven gear and a large driving gear B) the same size of driven and driving gears C) a small driving gear and a large driven gear D) two large driven gears May 26 6:30 PM Some types of glass, plastics, and paper allow some light to shine through. Materials that allow some, but not all, light to pass through them are said to be: A) translucent B) transparent C) opaque D) clouded May 26 6:56 PM 6

7 Which of the following is a part of cell theory? A) Organelles have a specific function inside the cell. B) Cells function because of organelles. C) The cell is the basic unit of life. D) Not all cells have a nucleus. May 26 6:26 PM A large crack in the ice of a glacier is referred to as a/an A) continental glacier B) crevasse C) moraine D) icefall May 26 7:07 PM 7

8 The cell wall has the function of A) packaging chemicals for export B) controlling what enters the cell C) holding the shape of the cell D) producing the energy of the cell May 26 6:28 PM In purchasing a camera, Tanya notices that the camera operates much like the human eye. In particular, the film in the camera is very similar to the A) cornea of the eye B) lens of the eye C) iris of the eye D) retina of the eye May 26 6:30 PM 8

9 A lot of materials completely block light. These materials are classified as being A) translucent B) transparent C) opaque D) filmy May 26 6:29 PM A double concave lens is A) thicker and flatter in the middle than around the edges B) thicker and larger in the middle than around the edges C) thinner and larger in the middle than around the edges D) thinner and flatter in the middle than around the edges May 26 6:19 PM 9

10 The type of organelle that is responsible for the production of glucose from light energy within the cell is the A) mitochondria B) ribosome C) chloroplast D) Golgi apparatus May 26 6:50 PM Which of the following is an example of a mixture? A) copper metal B) distilled water C) tomato juice D) liquid oxygen May 26 6:33 PM 10

11 Convex mirrors are mirrors that A) curve inward B) curve outward C) are flat D) none of the above May 26 6:28 PM Potential energy can best be defined as the energy A) of momentum B) that is stored C) both A and B D) None of the above May 26 6:58 PM 11

12 A pair of organelles that would not be found in an animal cell are the A) cell wall and mitochondrion B) chloroplast and cell wall C) choroplast and vacuoles D) cell wall and nucleus May 26 6:48 PM When using a wheelbarrow, the load seems lightest if it is A) as close as possible to the handles B) located equally between the handles and the wheel C) evenly spread out throughout the wheelbarrow D) as close as possible to the wheel May 26 6:35 PM 12

13 What happens when a glacier builds up more quickly then it melts? A) it appears as if the glacier is lengthening and advancing B) it appears to be going back uphill C) it appears not to be moving at all D) none of the above May 26 7:04 PM A refracting telescope uses what optical devices? A) mirrors B) lenses C) both mirrors and lenses D) none of the above May 26 6:36 PM 13

14 Mechanical advantage can best be defined as the A) ratio of the force produced by a machine to the force applied to it. B) total amount of energy a simple machine can conserve its user. C) reason why complex systems are better than simple machines. D) term for how all machines allow us to use less force. May 26 7:00 PM Convex mirrors are often used for security mirrors in stores because they can A) reflect light from a small area B) refract light from a small area C) refract light from a large area D) reflect light from a large area May 26 6:55 PM 14

15 When a forest is clear cut or "slashed and burned", what would likely happen to a nearby stream? A) increased turbidity B) increased bacteria C) increased stream health D) increased industrial pollutants May 26 7:01 PM The law of reflection states: A) "The angle of reflection equals the angle of incidence." B) "The angle of reflection is greater then the angle of incidence." C) "The angle of reflection is smaller then the angle of incidence." D) "The angle of reflection is twice as large as the angle of incidence." May 26 6:36 PM 15

16 Which of the following must be true for a rock to be called permeable? A) water must not be able to pass through the rock B) water must be able to pass through the rock C) water gets soaked up by the rock D) none of the above May 26 6:37 PM Biomagnifications can be explained best through which response below? A) pollutants or toxins are distributed within the atmosphere B) pollutants or toxins are distinct to different biospheres C) pollutants or toxins are concentrated as they move up through the food chain D) pollutants or toxins are less concentrated as they move up through the food chain May 26 7:06 PM 16

17 Tissues are groups of similar cells. The epithelial tissue performs what function for the human body? A) connects and supports different parts of the body B) moves the different parts of the body C) carries signals throughout the body D) protects the outside of the body May 26 6:43 PM May 26 6:38 PM 17

18 Hydraulic systems typically use the force of in a confined space. A) solids B) gases C) any fluid D) liquids May 26 6:39 PM May 26 6:40 PM 18

19 When you increase the amount of solvent in a solution: A) the solution becomes colourless B) the solution gets more concentrated C) a new solution is formed D) the solution becomes less concentrated May 26 6:41 PM Which of the following is not true about the particle model of matter? A) All substances are made of tiny particles. B) All particles in a pure substance are the same. C) The particles have spaces between them D) The particles are not in movement. May 26 6:25 PM 19

20 The type of organelle that is responsible for production of proteins within the cell is A) endoplasmic reticulum B) ribosome C) nucleolus D) lysosome May 26 6:50 PM The point at which the optic nerve enters the retina does not have any light sensitive cells. This is what causes the A) pupil B) iris C) lens D) blind spot May 26 6:54 PM 20

21 Several rivers run through the oil sands patches of northern Alberta. Why should this be an environmental consideration? A) river water temperature will change significantly B) sediment will be released into the water C) the water will become very alkaline D) tourists will not want to visit polluted rivers May 26 7:02 PM May 26 6:47 PM 21

22 The smell of baking bread is brought to your nose by A) osmosis B) exocytosis C) diffusion D) dispersion May 26 6:51 PM An area of land where water is collected is called a drainage basin. A drainage basin is also known as a A) run off B) continental divide C) headwaters D) watershed May 26 7:01 PM 22

23 A rough reflecting surface has a high tendency to A) reflect light very uniformly B) reflect light in many different directions C) bend light very uniformly D) bend light in many different directions May 26 6:32 PM The following energy transformation describes the creation of light from which type of source? Electrical Energy Thermal Energy Visible Light Energy A) incandescent B) fluorescent C) chemiluminescent D) bioluminescent May 26 6:57 PM 23