science brain pop questions for quiz- state of matter
what is matter
anything that takes up space
how do we know the air we breathe is matter
because it fills up our lungs
what do lightning and stars have in common
both contain plasma
how can you remove energy from matter
by lowering its temperature
dry ice has the same properties as what gas?
carbon dioxide
waters chemical formula is "H20." what does this mean?
each water contains 20 hydrogen atoms and one oxygen atom
whats the easiest way to add energy to matter
heating it
where would you find a Bose-einstien condensate?
in a science lab
what will happen if you keep increasing both pressure and temperature of a liquid
it will boil
in what way are liquids different from solids
liquids don't have a fixed shape, solids do
what happens to the chemical structure of water when it changes
nothing happens to the chemical structure
suns, stars, and neon signs are examples of...
plasma
what are the three main states of matter
solid, liquid, gas
gases have a tendency to expand. Whats the best synonym for "expand"
spread out
the melting point of H2O is 0 degrees celsius. This is the same as its...
sublimation
what do water vapor, liquid, water, and ice have in common.
the same chemical properties
how do the molecules of a gas behave?
they bounce around randomly
compared to ice, how do molecules of water behave?
they move more freely
what is the basic shape of a liquid
whatever the shape of its container is
if you put a thermometer into a pot of melting ice, when will the temperature rise past zero?
when all the ice has melted
