Density Facts - Penguin

Describe the densities of the air inside the balloon to the air outside the balloon.

• The air INSIDE is MORE Dense than the air outside

• The air INSIDE is LESS dense than the air outside 

• The air INSIDE is the SAME density as the air outise.

When the balloon has landed and no longer floating, describe the density of the air inside to the density of the air outside the balloon.

• The air INSIDE the balloon is MORE dense than the air outside

• The air INSIDE the balloon is LESS dense than the air outside

• The air INSIDE the balloon is the SAME density as the air outside.

This is a gold coin.  If I cut the coin in half, what happens to the atoms inside?

• The atoms will spread apart and not be so crowded.

   

• The atoms will get closer together and be more crowded.

• Nothing, the atoms will not spread apart or get closer.  They will stay the same "crowdedness".  

Tags

NGSS.MS-PS1-5

FACT: The density of the gold coin is 10 grams per cm3.

QUESTION:  If the coin is cut in half, what will be the density of the half-piece of gold coin? 

• The density of the half-piece of gold coin will be HALF THE DENSITY as the whole coin.  The density will be 5 grams per cm3. 

• The density of the half-piece of gold coin will be DOUBLE the DENSITY of the whole coin.  The density will be 20 grams per cm3.

• The density of the half-piece of gold coin will be the SAME DENSITY as the whole coin.  The density will be 10 grams per cm3.

If you have a full glass of milk, and the density of the milk is 12 grams per ml, what will be the density of HALF a glass of milk?

• HALF of what a full cup's density is.

  6 grams per ml. 

   

• The  SAME as a full cup of milk.

  12 grams per ml. 

• TWICE as much as a full cup of milk.

  24 grams per ml.

What is the density of water?

• 0 g/ml

• 1 g/ml

• 2 g/ml

• 10 g/ml

Oil can float on water.  What do you think the density of oil could be?

• Less than water so less than 1 g/ml

• The same as water so 1 g/ml

• More than water so more than 1 g/ml

If an object is placed in water and it has a density GREATER than 1, then the object will

• FLOAT

• SINK

• FLY AWAY

If 23 % of a the block were to be under the water while floating, what would you predict to be the density of the block?

• 0.23 g/cm3

• 0.77 g/cm3

• 23 g/cm3

• 77 g/cm3

Which has the atoms closer together, liquid water or solid water?

• Solid water (Ice)  Solids are always heavy because they always have more atoms packed closer together than liquids

  (ice is more dense than water so the atoms in ice are closer together than the atoms in water)

• Liquid water.  In ice the atoms spread further apart instead of getting closer together.

  (water is more dense than ice so the atoms in water are closer together than the atoms in ice)

• Neither.  They are BOTH made of the SAME water molecules so they are packed together the same way. 

  Their densities are the SAME