Sum Of Parts = Whole Question Preview (ID: 61743)
Parts To Whole.
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Mrs. O'Neal built a skeleton using a full set of blocks. How would taking the skeleton apart effect the total mass of the blocks?
a) The total mass of the blocks would double.
b) The total mass of the blocks would be the same apart as together.
c) The total mass of the blocks would decrease because they are together.
d) The total mass of the blocks would increase because the blocks are apart.
A 100 kg rock is broken into five smaller rocks for a garden. What is the total mass of all five smaller rocks?
a) 20 kg
b) 50 kg
c) 100 kg
d) 500 kg
Johnny tore a sheet of paper into pieces. How does the mass of all the pieces compare to the mass of the sheet before it was torn
a) The total mass of the pieces would be greater than the mass of the whole sheet.
b) The total mass of the pieces would be less than the mass of the the whole sheet.
c) The total mass of the pieces would be more than twice the mass of the whole sheet.
d) The total mass of the pieces would be the same as the the mass of the whole sheet
A football with a mass of 35 grams is blown up and popped. If all the pieces are weighed what would be their total mass?
a) 35 grams
b) less than 35 grams
c) more than 35 grams
d) you cannot determine the mass
Francisco adds 6 grams of sugar to a bottle containing 14 grams of warm water and 2 ice cubes 2 grams each. What is the total weight of the sugar, ice and water?
a) 20 grams
b) . 20 grams
c) 22 grams
d) 24 grams
Mateo said that mass does not change after a chemical reaction. Alex said mass does change after a chemical reaction.
a) Mateo is correct because the total mass after a chemical change remains the same.
b) Alex is correct because mass does change after a chemical reaction. Mass becomes greater.
c) Mateo is correct because mass goes up then goes down but then goes back up again.
d) Alex is correct because mass does change after a chemical reaction. Mass becomes less.
. A group of students weighed a sealed jar full of heavy cream. Then they shook the jar until the cream separated, and then they weighed the jar again. Which of the following would BEST describe its mass?
a) The jar will have gained weight because some liquid changed to a solid.
b) The jar will have gained weight because shaking added energy to it.
c) The jar will have lost weight because of friction from shaking the liquid.
d) The jar will have kept the same weight because it did not gain or lose any matter.
A candy maker melts chocolate to form chocolate Easter bunnies. As the chocolate melts the mass will ____.
a) increase
b) decrease
c) remain the same
d) evaporate
A student notices that an inflated balloon gets larger when it is warmed by a lamp. Which best describes the mass of the balloon as a result of this change?
a) The mass of the balloon increases because the size of the balloon has increased.
b) The mass of the balloon increases because the temperature of the balloon has increased.
c) The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.
d) The mass of the balloon stays the same because warming decreases the mass enough to cancel out the effect of increasing size.
A teacher adds 2 g of chalk to 25 g of vinegar in a tightly sealed jar. The chalk and vinegar react, and gas bubbles form. What is the total mass of the jar’s contents after the reaction takes place?
a) 23g
b) 25g
c) 27g
d) 50g
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