Unit 2 Review

If a piece of matter changes shape, what happens to its mass?

• It increases
• It decreases
• it changes randomly
• it stays the same

One piece of matter is cut into two pieces.  What would be the mass of the two new pieces if we combined them?

• the two pieces would have the same mass as the original piece
• the two pieces would have more mass than the original piece
• the two pieces would have less mass than the original piece
• there is no way to tell which would have more mass

The mass of an object WILL change if ____________.

• it changes shape
• it loses a piece
• it gets hotter
• it gets cooler

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?

• The mass of the balloon increases because the size of the balloon has increased.
• The mass of the balloon increases because the temperature of the balloon has increased.
• The mass of the balloon stays the same because the gas inside the balloon still has the same mass after it warms up.

Tags

NGSS.MS-PS3-4

A 500-gram block of solid cheese is melted in a pot. Which is most likely the mass of the cheese after it is melted?

• 500 grams, because the cheese does not gain or lose mass just because it was melted
• 499 grams, because some of the cheese evaporates as it melts
• 502 grams, because the cheese absorbs heat as it melts

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

A 55-gram egg is placed in a pot. After the egg is boiled, which is most likely the mass of the egg?

• 50 
• 55 

Tags

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?

• 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?
  
• 3 ounces
• 6 ounces
• 4 

Jason poured 500 grams of water into a container and tightly sealed it. The water was allowed to freeze. Which is most likely true about the ice that formed?

• The mass of the ice is the same as the mass of the water.
• The mass of the ice is greater than the mass of the water.
• The ice formed is a different substance than the water.
• The ice formed is the same temperature as the water.
  

Tags

NGSS.MS-PS1-5

What is volume?

• how heavy it is

• how much space it takes up

• how much matter is in the object

• the shape of the object

Tags

CCSS.5.MD.C.3A

CCSS.5.MD.C.3B

CCSS.5.MD.C.4

Which equation would help you find the volume?

• 5-4=1 mL

• 5.6-4.8=0.8 mL

• 4-5=1 mL

• 5+4=9 mL

Tags

CCSS.3.MD.A.2