Final Review 1 Name. 6. The diagram below represents a portion of a 100-milliliter graduated cylinder.

Transcription

1 Final Review 1 Name 1. Which unit is best used to measure the distance between your hand and elbow? A) millimeters B) centimeters C) micrometers D) kilometers 2. Which shows units of volume from smallest to largest in the correct order? A) milliliter, liter, kiloliter B) liter, milliliter, kiloliter C) kiloliter, milliliter, liter D) liter, kiloliter, milliliter 3. Which of the following units could you use to measure the mass of a rock? A) grams B) liters C) meters D) degrees 4. The amount of matter in a substance is known as A) density. B) volume. C) mass. D) weight. 5. A student measured an earthworm using a metric ruler, as shown in the diagram below. 6. The diagram below represents a portion of a 100-milliliter graduated cylinder. What is the volume measurement? A) 35.0 ml B) 36.0 ml C) 44.0 ml D) 45.0 ml 7. The sphere was dropped into water in a graduated cylinder as shown below. What is the length of only section A? (Note: Answers have different units) A) 7.6 cm B) 11.6 cm C) 4.5 cm D) 23 mm What is the volume of the sphere? A) 15 ml B) 25 ml C) 40 ml D) 65 ml

2 8. The diagram below shows 3 graduated cylinders. The contents of cylinders X and Y are poured into cylinder Z. 11. The diagram below represents a portion of a triple-beam balance. Which letter represents the amount of liquid that will be in container Z? A) A B) B C) C D) D 9. The diagram below show an enlarged view of the beams of a triple-beam balance. If the beams are in balance with the riders in the positions shown, what is the total mass of the object? A) g B) g C) g D) g 12. Which line segment has a length of 3.0 centimeters? A) B) C) D) What is the correct reading of the triple-beam balance? A) g B) g C) 5,452 g D) 50,052 g 10. A piece of copper metal is correctly placed on a triple beam balance. The riders are all at the zero mark except for the rider on 0-10 gram beam which is located at the position shown. What is the mass of the copper metal? A) g B) g C) 0.55 g D) 5.50 g

3 13. A sample of water and sediment was taken from the river. The sand and pebbles were allowed to settle in a jar for three hours, as shown below. Which of these best explains why the pebbles are below the sand? A) Pebbles are more dense than sand particles. B) The temperature of the water is high enough to melt some sand. C) Sand particles dissolve more in water than pebbles. D) The sand particles trapped enough air to make them float. Base your answers to questions 14 through 16 on the diagrams below which represent four solid objects made of the same uniform material. The volumes of the sphere and the bar are not given. 14. What will occur when the sphere is heated and expands? A) Its mass will increase and its volume will remain the same. B) Its mass will decrease and its volume will remain the same. C) Its mass will remain the same and its volume will increase. D) Its mass will remain the same and its volume will decrease.

4 15. Which graph best represents the relative densities of the objects? A) B) C) D) 16. What is the density of the bar? A) 9 g/cm 3 B) 30 g/cm 3 C) 3 g/cm 3 D) 90 g/cm What is the volume of a solid having a mass of 12 g and a density of 3 g/cm 3? A) 6 cm 3 B) 36 cm 3 C) 3 cm 3 D) 4 cm Why is it easier for a person to float in a salt water of the ocean than in a fresh water lake? A) Salt water is denser than fresh water B) salt water is less dense than fresh water C) salt water has more bubbles D) salt water is lighter than fresh water

5 Base your answers to questions 19 through 21 on the diagrams below which represent five substances, A through E, at the same temperature. Some mass, volume, and density values are indicated for each substance. Substance C is a liquid in a graduated cylinder. [Note that 1 cubic centimeter = 1 milliliter. Objects are not drawn to scale.] 19. What is the volume of object D? A) 1.0 cm3 B) 2.0 cm3 C) 7.0 cm 3 D) 16.0 cm Which two substances could be made of the same material? A) A and B B) B and E C) C and D D) A and E 21. Water (W) was added to the graduated cylinder containing liquid C. Objects A and D were then dropped into the cylinder. Which diagram most accurately shows the resulting arrangement of these substances? A) B) C) D)

6 22. Use the picture below to answer the following question. 24. The thermometer shows that the temperature outside is 3 C. The wingspan of this butterfly is closest to A) 4.0 cm. B) 4.5 cm. C) 8.0 cm. D) 8.5 cm. 23. What is the length of the garden snail in the diagram below, from the beginning of its foot at pointa to the end of its foot at point B? What would the temperature be if it were 7 degrees warmer? A) 10 C B) 3 C C) 4 C D) 11 C 25. The diagram below represents a Celsius thermometer recording a certain temperature. A) 2.6 mm B) 26 mm C) 26 cm D) 260 cm What is the correct reading of the thermometer? A) 5 C B) 4.3 C C) 0.3 C D) 4 C

7 26. A graduated cylinder containing water is shown in diagram A below. Pea seeds were dropped into the cylinder and the results are shown in diagram B. Base your answers to questions 28 and 29 on on the diagram and description below. An experiment was performed to determine the effect of different salts on plant growth. Forty pots containing genetically idental plants were divided into four equal groups and placed in a well lighted greenhouse. Each pot contained an equal amount of nonmineral potting soil and one plant. Minerals were than added in equal amounts to each experimental group of pots as shown below. What is the volume of water displaced by the seeds? A) 15 ml B) 14 ml C) 5 ml D) 4 ml 27. The diagram below represents a graduated cylinder containing a liquid. 28. Name one variable that should be held constant during the experiment. How many milliliters of fluid should be added to the graduated cylinder to raise the volume to 21 milliliters? A) 10 B) 5 C) 8 D) 4

8 29. For the experiment to be valid, what should be added to the control group of plants? Base your answers to questions 30 through 33 on the data table and information below and on your knowledge of biology. The data table shows water temperatures at various depths in an ocean. 30. What is the independent (manipulated) variable in this experiment? 31. Provide an appropriate title for the graph. 32. The approximate water temperature at a depth of 125 meters would be approximately C 33. State the general relationship between temperature and water depth.

9 Science 7-8 Name Class Date