WHAT'S THE "MATTER"?
DENSITY, MASS, VOLUME
GOING THROUGH A PHASE
WHAT'S MY LAW?
VOCABULARY CONCEPTS
100
rarely occurs naturally on Earth, found in stars
What is plasma?
100
the amount of matter in a given space
What is density?
100
reverse of melting and the reverse of condensation in that order
What is freezing and vaporization
100
the graph of the temperature and pressue are a straight line which means the variables are ____________ proportional
What is directly
100
a "film" that occurs on a water droplet preventing it from spreading
What is surface tension
200
not a definiate shape or volume, particles all over
What is a gas?
200
D = M / V object has mass of 5 grams and volume of 18 ml
density is 0.28 g/ml
200
you place water in a pot on the stove and bring it to a boil. when you take the lid off, the lid is wet. name the sequence of events
What is boiling....vaporiazion....condensation
200
the reason Sue's bike tire blew out when she took a long bike ride on a very hot summer day..explain
air particles heated up and began to move faster and exert a higher pressure on the tire walls....Lussac Law
200
when matter changes state, there is either a loss or a gain in this
What is thermal energy
300
a type of solid with regular pattern
What is a crystalline solid?
300
M = DV object has density of 42 g / cubic cm and volume of 56 cubic cm
mass is 2352 grams
300
at the North Pole the amount of snow decreases even when the temperature remains below the melting point
What is sublimation
300
never place an aerosol can near an open flame because....
as air inside can heats up, particles increase movement, there is increase in pressure....Lussac Law
300
the average amount of kinetic energy in a substance
What is temperature
400
the resistance to flow
What is viscosity?
400
V = M / D object has mass of 72.5 grams and density of 4.6 g / ml
volume is 15.76 ml
400
you climb Mount Everest and want to back brownies. What do you need to know about the melting point of the chocolate? Explain
melting point is lower due to less air pressure
400
an astronaut tosses an apple outside the space capsule without being contained in a pressurized container...what happens and why
explodes outwardly due to Boyle's law which states if pressure decreases, volume increases
400
vaporization at and just below the surface
What is boiling
500
a type of solid with no definate melting point
What is an amorphous solid?
500
you fill a graduated cylindar with 50 ml water and drop a rock in. The level now reads 66 ml. you calculate the volume of the rock
the rock's volume is 16 cubic cm
500
particle movement declines during ______________ and ________________
What is freezing and condensation
500
you take a ride in a hot air balloon. to come down to Earth again, the flame inflating the balloon is turned down
due to Charles law....when temperature decreases, volume decreases
500
the inward force holding molecules together is called ___________ and can be broken by a _____________, such as soap
What is cohesion and surfactant
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