Matter P.2.2

A 100 kg rock is broken into five smaller rocks for a garden. What is the total mass of all five smaller rocks?

• 20 grams

• 50 grams

• 100 grams

• 500 grams

Tags

NGSS.MS-PS1-5

Barb has a bucket of snow with a mass of 20 kg. After the snow melts, what will most likely be the mass of the bucket of water?

• 15 kg

• 20 kg

• 35 kg

• 40 kg

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Sam built a rocket using a full set of blocks. How would taking the rocket apart effect the total mass of the blocks?

• The total mass of the blocks would double.

• The total mass of the blocks would be the same apart as together.

• The total mass of the blocks would increase because the blocks are apart.

• The total mass of the blocks would be the same apart as together.

Tags

NGSS.MS-PS1-5

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?

• The total mass of the pieces would be greater than the mass of the whole sheet.

• The total mass of the pieces would be less than the mass of the the whole sheet.

• The total mass of the pieces would be more than twice the mass of the whole sheet.

• The total mass of the pieces would be the same as the the mass of the whole sheet.

Tags

NGSS.MS-PS1-5

Jack can split logs without any chips falling from them. He cuts a tree stump into four logs. He then splits each log into two smaller pieces, making a total of eight pieces of wood. Which best explains the mass of the eight pieces of split wood?

• The split wood’s mass is less than the mass of the original stump.

• The split wood’s mass is the same as the mass of the original stump.

• The split wood’s mass is more than the mass of the stump because there are more pieces.

• The mass of the four logs is the same as the original tree stump, but the final mass of the eight pieces is less than the original tree stump.

Tags

NGSS.MS-PS1-5

9. Chris has a space shuttle model. Which statement BEST describes how the space shuttle in pieces compared to the completed model?

• Each piece is stronger than the completed model.

• The mass of the completed model equals the mass of all the pieces.

• Each piece is made from a different material than the completed model.

• The mass of the completed model is more than the mass of the all the pieces.

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 weight?

• The jar will have gained weight because some liquid changed to a solid.

• The jar will have gained weight because shaking added energy to it.

• The jar will have lost weight because of friction from shaking the liquid.

• The jar will have kept the same weight because it did not gain or lose any matter.

Tags

NGSS.MS-PS1-5

An ice cube melts and then evaporates. The ice cube and the water vapor have the same

• mass

• density

• volume

• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Mrs. Jones wants to prove to her students that when an object is burned, its total mass is the same before and after the reaction. What should Mrs. Jones do to make sure this is shown by the experiment?

• burn the object in a closed container

• burn the object outside on a nice day

• add water to the object after it is burned

• split the object into two equal pieces before burning

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Jane took a 1 ounce slice of bread and cut it into 2 pieces. On one side, she put 2 ounces of peanut butter. On the other side she put 1 ounce of jelly. Which will most likely be the weight of the finished sandwich?

• 7 oz

• 4 oz

• 3 oz

• 6 oz