PS CH 1 Test ( 15-16)

- 1. representation of an object or an event
A) observation B) model C) sample D) criteria - 2. an experiment in which only one variable, the manipulated variable, is deliberately changed at a time
A) regulated experiment B) perfect experiment C) manipulated experiment D) controlled experiment - 3. proposed answer to a question
A) summation B) hypothesis C) estimation D) theory - 4. an organized plan used for gathering, organizing, and communicating information
A) scientific exploration B) scientific method C) scientific inquiry D) scientific phenomenon - 5. a well-tested explanation for a set of observation or experimental results
A) scientific phenomenon B) scientific results C) scientific theory D) scientific outcome - 6. the amount of matter in an object
A) density B) mass C) length D) volume - 7. information obtained through the senses
A) observations B) calculations C) perturbations D) estimations - 8. variable that changes in response to a change in the manipulated variable
A) responding variable B) manipulated variable C) appropriate variable D) independent variable - 9. variable that causes a change in the other variable
A) controlled variable B) dependent variable C) silent variable D) manipulated variable - 10. An instrument that measures temperature
A) thermometer B) beaker C) balance D) graduated cylinder - 11. The ratio of a material's mass to its volume
A) volume B) mass C) density D) weight - 12. The straight-line distance between two points
A) capacity B) time C) length D) mass - 13. The amount of space taken up by an object
A) mass B) density C) length D) volume - 14. what instrument is used to determine the length of an object?
A) thermometer B) balance C) meter stick D) graduated cylinder - 15. What instrument is used to determine the mass of an object?
A) forceps B) balance C) ruler D) graduated cylinder - 16. What insturment is used to determine the volume of a large rectangular object such as a refrigerator?
A) meter stick B) very large beaker C) graduated cylinder D) volumetric flask - 17. What instrument is used to determine the volume of liquids?
A) graduated cylinder B) thermometer C) balance D) florence flask - 18. What instrument would be good for measuring time?
A) stop watch B) mass gauge C) barometer D) calculator - 19. This is a unit for mass.
A) grams ( g ) B) degrees Celsius C) seconds ( s ) D) milliliters ( ml ) - 20. This is a unit for temperature.
A) kilopascals B) Joules C) degrees Celsius D) Newtons - 21. This is a unit for volume.
A) degrees ( C ) B) grams ( g ) C) amperes ( A ) D) millilter ( ml) - 22. This is a unit for density.
A) Joules / second B) kilograms C) grams / milliliter D) cubic meters - 23. What is the best instrument for determining the volume of an irregularly shaped object such as a marble?
A) graduated cylinder B) crucible C) pipet D) balance - 24. What is the name of the method for determining the volume of irregularly shaped objects?
A) specific gravity process B) water displacement C) volumetric disposal D) mass perturbation - 25. What is the name of the bottom of the curved surface of a liquid in a graduated cylinder?
A) tripod B) meniscus C) heliocentric D) center of gravity - 26. Calculate the volume of a wooden block that is 36 cm long, 12 cm wide and 8 cm high. ( V = LxWxH)
A) 9152 cm cubed B) 3456 cm cubed C) 4821 cm cubed D) 7094 cm cubed - 27. Calculate the volume of a box that is 18 cm tall, 25 cm wide and 6 cm deep. ( V = LxWxH)
A) 1640 cm cubed B) 3200 cm cubed C) 2700 cm cubed D) 1080 cm cubed - 28. Calculate the density of a sample of metal that has a mass of 12.0 g and a volume of 2.0 ml. ( density is mass divided by volume)
A) 4 g / ml B) 3 g / ml C) 6 g / ml D) 2 g / ml - 29. Calculate the density of a sample of liquid that has a mass of 250 g and a volume of 280 ml.(density is mass divided by volume)
A) 0.89 g / ml B) 1.8 g / ml C) 1.2 g / ml D) 0.64 g / ml - 30. Calculate the volume of a sample of lead. The density of lead is 11.3 g/ml and the mass is 360 g.(volume is mass divided by density)
A) 31.86 ml B) 4 ml C) 371.3 ml D) 61.94 ml - 31. Cacluate the mass of a sample of mercury. The density of mercury is 13.5 m/gl and the volume is 48 ml. (mass is density times volume)
A) 512 g B) 61.5 g C) 648 g D) 3.6 g - 32. Suppose you use a balance to measure the mass of a rock. The large rider is on 50 and the small rider is on 3.8. What is the mass of the rock?
A) 46.2 g B) 53.8 g C) 3.8 g D) 50 g - 33. Suppose you use a ruler to measure the length of a card. The end of the card is exactly 4 lines past the 6 cm mark. What is the length?
A) 4 cm B) 6.4 cm C) 64 cm D) 6 cm - 34. Suppose you use a graduated cylinder to measure the volume of water. The water goes up to the 6th line between the 70 ml and the 80 ml mark. What is the volume?
A) 80.6 ml B) 76 ml C) 70.6 ml D) 86 ml - 35. What is the correct volume measured by this graduated cylinder?
A) 6.1 ml B) 6.4 ml C) 6.7 ml D) 6.6 ml - 36. What is the correct length measured by this meter stick?
A) 26.00 cm B) 25.45 cm C) 29.5 cm D) 25.00 cm - 37. What is the correct volume measured by this graduated cylinder?
A) 15 ml B) 12.5 ml C) 16 ml D) 10.5 ml |

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