6th Grade – Metric Mass – Mid Term
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What is the basic unit of mass in the metric system?
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Gram
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What apparatus is used to find mass?
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Triple Beam Balance
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What is WEIGHT?
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The gravitational pull on an object.
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What is MASS?
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The amount of matter in an object.
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What happens to your weight and mass if you were on the moon?
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If you were on the moon your WEIGHT would DECREASE because the amount of gravity has decreased. However, your MASS would remain the SAME.
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Write the abbreviated version of the metric chart.
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K H D G D C M Depending on what is being asked the G = Gram could be changed to L = Liters(volume) M = Meters(distance)
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What are the Metric Units of Mass?
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kilogram hectogram dekagram gram decigram centigram milligram
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What are the abbreviations for the metric units of mass?
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kg = kilogram hg = hectogram dkg = dekagram g = gram dg = decigram cg = centigram mg = milligram
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How many grams is 1 kilogram?
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1,000 grams
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How many grams is 1 hectogram?
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100 grams
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How many grams is 1 dekagram?
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10 grams
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How many grams is 1 gram?
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1 gram (BASE UNIT)
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How many grams is 1 decigram?
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0.1 gram OR 1/10 gram
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How many grams is 1 centigram?
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0.01 gram OR 1/100 gram
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How many grams is 1 milligram?
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0.001 gram OR 1/1000 gram
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How many US pounds is equal to 1 kilogram?
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2 US pounds
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What does 1 gram of water equals?
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1 cubic centimeter of water OR 1 millimeter of water
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What unit of mass would you used to measure chemicals or minerals in medication?
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1 milligrams (mg)
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What is the mass of a grain of sand?
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1 milligrams (mg)
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What is the mass of a paper clip?
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1 gram (g)
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What is the mass of a cantaloupe?
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1 kilogram (kg)
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What is the mass of a small car?
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1,000 kilograms (kg)
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How many milligrams would be in one gram?
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0.001 mg OR 1/1000 mg
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How many grams would be in 3 kilograms?
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3,000 g
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TRUE or FALSE The chemicals or minerals in medicine are measured in grams?
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FALSE. The chemicals and minerals in medicine are measured in milligrams.
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TRUE or FALSE The basic unit of mass in the metric system is the gram.
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True.
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TRUE or FALSE A regular sized paper clip weighs about one gram.
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True.
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Convert. 6.5kg = _________ g
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6,500g
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Convert. 0.18g = ________ cg
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18cg
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Convert. 19hg = ________ kg
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1.9kg
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Convert. 783mg = ________ g
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0.783g
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Add the mass of the riders. 500g + 40g + 8.2g = ________
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548.2g
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Add the mass of the riders. 300g + 10g + 0.9g = ________
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310.9g
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Add the mass of the riders. 400g + 80g + 3.1g = ________
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483.1g
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Add the mass of the riders. 0g + 90g + 9.9g = ________
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99.9g
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Add the mass of the riders. 500g + 100g + 6.2g =
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606.2g
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What number is the metric system is based on?
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10
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Which units are smaller than a gram?
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milligram, centigram, decigram
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What units are larger than a gram?
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kilogram, hectogram, dekagram
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What has the abbreviations as follows: mg, cg, dg
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milligram, centigram, decigram
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What has the abbreviations as follows: dkg, hg, kg
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kilogram, hectogram, dekagram
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Which is larger: 1kilogram or 1,500g
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1,500g
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Which is larger: 4 kilograms or 4,500 grams
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4,500 gram
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Which is larger: 15 hectograms or 1.5 dekagrams
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15 hectograms
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Which is larger: 1,200 milligrams or 1 gram
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1,200 milligrams
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Which is larger: 12 milligrams or 12 kilograms
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12 kilograms
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If one paperclip has the mass of 1 gram and 1,000 paperclips have a mass of 1 kilogram, how many kilograms are 8,000 paperclips?
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8 kilograms (you have to convert) 1 paperclip =1 gram 1,000 paperclips = 1 kilogram 8,000 paperclips = 8 kilograms
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What are the 3 Mass Methods?
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1. Measuring Mass Directly 2. Finding Mass by Difference 3. Measuring Out a Substance
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Measuring Mass Directly
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Used to find the mass of an object. Step 1 - Place the object on the pan. Step 2 - Zero out the TBB. Step3 - The mass is determined by the positions of the riders. Record the mass.
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Finding Mass by Difference
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Used to find the mass of a liquid in a container. Step 1 - Measure the mass of the beaker(a). Step 2 - Pour in your liquid. Step 3 - Measure the combined mass(b) of the beaker and the liquid. Step 4 - Subtract the mass of the beaker(a) from the combined mass(b). Therefore, b - a = Mass of Liquid
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Measuring Out a Substance
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Used to obtain a specific amount of a substance. Step 1 - Find the mass of a paper plate. Record mass. Step 2 - Add the mass of the paper plate to the desired mass of the substance. Step 3 - Preset the riders to the amount (the sum) in Step 2. Step 4 - The substance is then placed on the paper plate a little at a time until the zero pointer is balanced with the zero point.
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The mass method used to find the mass of a solid object is...
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Measuring Mass Directly
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The mass method used to obtain an exact amount of a solid substance is...
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Measuring Out a Substance
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The mass method used for finding the mass of a liquid in a container is...
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Finding the Mass by Difference
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Which mass method would be best to use when trying to find the mass of a pencil?
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Measuring Mass Directly
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Which mass method would be best to use when trying to obtain the correct amount of medication for a prescription?
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Measuring Out a Substance
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Suppose I want to find the mass of some water. The beaker alone weighs 95.5g. The beaker with water weighs 130.5g. What is the mass of the water alone?
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Beaker with Water = 130.5g - Beaker Alone = 95.5g Mass of Water = 35.0g
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Suppose I want to obtain 22.5g of sugar. The plate I am using weighs 8.5g. What will I need to preset my riders to?
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Desired Mass = 22.5g + Plate Mass = 8.5g Preset Riders to= 31g
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Which state of matter is Finding Mass by Difference used for? a) a liquid b) a gas c) a solid d) a solid substance
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a) a liquid
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40mL of water should have a mass of... a) 60g b) 30g c) 70g d) 49g
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d) 49g
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Measuring Out a Substance is used to find the mass of... a) a liquid b) a gas c) a solid d) a solid substance
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d) a solid substance
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Identify the mathematical operation used when Measuring Out a Substance. a) multiply b) add c) divide d) subtract
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b) add
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Measuring Mass Directly would be used to find the mass of... a) water b) oxygen c) a pencil d) sugar
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c) a pencil
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Identify the mass method used to find the mass of a certain amount of liquid in a container... a) Measuring Mass Directly b) Measuring Out a Substance c) Finding Mass by Difference d) Water Displacement Method
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c) Finding Mass by Difference
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If a beaker alone has a mass of 90 grams and the beaker with water has a mass of 130 grams, what is the mass of the water alone? q) 220 grams b) 60 grams c) 130 grams d) 40 grams
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d) 40 grams