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Measurement By Mrs. S. Deringer

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Measurement began from.....

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Why Metric????

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Volume is... a measure of the amount of space an object takes up.

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How do you measure Volume?

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You must look at the meniscus The curve of the liquid. 50

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How do you measure Volume of a solid ? To measure the volume of a solid. Multiply : Length X Width X Height length HEIGHTHEIGHT width

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Volume of an irregular shaped solid Water level 51.0 mL 50.0 mL 1.0 cm 3 1.0 mL = 1.0 cm 3

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To Find The Mass

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What’s the difference between mass and weight?

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ANSWERS TO PAGE 32 Mass Lab OBJECTMASS IN GRAMS (g) 1. graduated cylinder 2. ruler 3. cap 4. calculator 5. vial with cap 6. hardcover book 7. beaker 8. staple gun 9. goggles 10. feather 11. hole puncher 12. pipette 13. bottle of glue 25.2g 63.3g 3.4g 30.4 g 181.2g 0.7 g 58.8 g 394.8 g 1.2 g 73.3 g 3.5 g 27.5 g 273.3g

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Answers to Volume of a solid. 1#Type of BoxL 1Foil box 3Alka-seltzer box Toothpick box Wood craft box Sugar box White box Red box Tape box spoon Paper clip box Box of chalk Copy paper box 1. 2. 3. 5. 4. 6. 7. 8. 10. 9. 12. 11. #. Length 1,904.0 cm 3 WidthHeight 16.5 cm 28.0 cm 6.5 cm ? 5.5cm 8.5 cm 7.0 cm 15.5 cm 10.0 cm 31.0 cm 17.5 cm 6.5 cm ? 8.5 cm 6.0 cm 23.5 cm 17.0 cm 20.0 cm 8.5 cm 4.0 cm 5.5 cm 8.0 cm 5.5 cm 4.0 cm 16.0 cm 4.0 cm 2.5 cm ? 2.0 cm 45.5 cm 5.0 cm 2.5 cm 6.0 cm 5.0 cm ? cm 3 116.9 cm 3 31,0008.3.0 cm 3 102.0 cm 3 527.0 cm 3 5,512.0 cm 3 84.5 cm 3 96.3 cm 3 420.0 cm 3 Volume cm 3 400.0 cm 3 866.3 cm 3 29 cm

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Answers to page 29 irregular shaped solid lab ObjectVolume in cm3 1. Silver cube1.0 cm3 2. stone 2.0cm3 3. Silver cylinder10.0 cm3 4. Gold cylinder6.0 cm3 5. Copper cylinder 3.0 cm3 6. Black cylinder3.0 cm3 7. marble2.0 cm3 8. penny.5 cm3 9. dime.5 cm3 10.nickel3.0 cm3 11. key2.0 cm3 12. candle10.5 cm3 13. shell2.0 cm3

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1.On the lines below explain what the science student did incorrectly. What should she have done? 2. Now compute the right answer. Remember to use the correct unit of measure. The mass of 150.0 mL is. 3. The mass of an empty beaker is 100.0 g. The mass of this same beaker filled with water is 120.0 g. Therefore, the mass of the water must be 4. The mass of an empty beaker is 200.0 g. The mass of this same beaker filled with water is 340.0 g. Therefore, the mass of the water must be 5. The volume of of block whose sides measure; height 6.7 cm, length 3.0 cm and width 5.2 cm is She added. She should have subtracted. 20.0g 149.0g 140.0 g 104.5 cm3 Page 1 Measurement Review Sheet Answers

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6. What the science student did incorrectly was 7. The science student should have He didn’t set the riders to the sum of the masses Set the riders to 13.0g (10.0g = 3.0g) 1.Set riders to 37.0 g (27.0g + 10.0 g) 2.Pour the salt into the container until the pointer returns to 0. 9. A scientist needs 50.0 grams of sand. The container she is using has a mass of 3.0 grams. What should the scientist set the riders to on the triple beam balance? 10. A scientist needs 40.0 grams of sand. The container he is using has a mass of 27.0 grams. What should the scientist set the riders to on the triple beam balance? 11. A scientist needs 0.5 grams of salt. The container she is using has a mass of 7.0 grams. What should the scientist set the riders to on the triple beam balance? 53.0g because, 50.0g + 3.0g 7.5g because, 0.5g + 7.0g 67.0g because, 40.0g + 27.0g Page 2

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12. 325.0g13. 65.2g14. 142.3g ruler graduated cylinder. triple beam balance. ruler Directions: Write the tool you would use to find the: 18. volume of a solid 19. volume of a liquid 20. volume of an irregular shaped solid 21. mass of a solid 22. mass of a liquid 23. length of a 24. height of a chair

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cm 3 cm mL. cm 3 gram cm Directions: Write the unit of measure you would use to find the: 25. volume of a solid ________________ 26. volume of a liquid _______________ 27. volume of an irregular shaped solid 28. mass of a solid _____________ 29. mass of a liquid _____________ 30. length of a desk _____________ 31. height of a chair ________________

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Directions: Complete the following statements. 32. The basic unit of length used in the metric system is the _______________. Most often in our lab though, we use ___________. 33. The basic unit of mass used in the metric system is the _______________. Most often in our lab though, we use ___________. 34. The basic unit of volume used in the metric system is the _____________. Most often in our lab though we use ___________. 35. 1.0 mL = ___ g. 36. 1.0 mL = ___cm3 37. There are ________ grams in a kilogram. 38. There are ________ milliliters in a liter. 39. There are ________ centimeters in a meter. meter centimeter kilogram gram liter 1.0 1,000 100 milliliter

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40. The difference between mass and weight is? 41. The procedure for finding the volume of an irregular shaped solid is; Mass is the amount of matter in an object and weight is a measure of the force of gravity between to objects. 1.Fill the graduated cylinder to 50.0 mL. 2.Slowly drop the object into the water, on a angle. 3.Figure out how much the water rose by subtracting. 4.The difference is the answer in cm 3

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