Why is the air harder to breathe up in the mountains than down near the beach?
Question 10
10.
OK, if you aren't 8th grade or honors, you are done! you don't have to do any more. if you are 8th grade or honors, watch this
do you have any questions?
Question 11
11.
What was something you understood from that video?
Question 12
12.
What was something specific that you did not understand from the video?
Match the vocab to the definitions
density
how much stuff something is made of
mass
how much space something takes up
volume
how much stuff is stuffed into a specific amount of space
The atmosphere of mercury is 133 pascals. think of the amount of force it would take to push a teacup across a table. now replace the teacup with a sheet of cardboard a meter long and a meter wide, and spread that little push evenly across the whole sheet. that is one pascal. does 133 pascals seem like a lot?
yes
no
Now imagine taking that same sheet of cardboard and holding it over your head. how many pascals do you think you would be holding?
1010
10100
101000
1010000
you are on venus holding up your square meter of cardboard
you are holding up 100 times more force than on earth
you are dead. its 870° F
you are dead. its raining sulfuric acid on you.
you are dead it could be snowing lead sulfites on you.
all of the above
Which weighs more, a pound of brick or a pound of feathers?
pound of bricks
pound of feathers
they weigh the same
What takes up more space?
a pound of brick
a pound of feathers
a pound of brick and a pound of feathers would take up the same amount of space
Which has higher density
a pound of bricks
a pound of feathers
a pound of bricks and a pound of featthrs have the same density