solid
solids have a _________ volume and _________shape
fixed and fixed
liquid has ______ volume and __________ shape?
fixed and changes
A gas has a ______ volume, and a ________ shape.
What is the compound for rock salt?
NaCl
How would you describe a solid's atoms?
very close together
How would you describe liquid atoms?
How would you describe the atoms of a gas?
spread out everywhere
Why did your ice cream bag fog up?
This word means the amount of space an object takes up?
volume
When a solid changes to a gas?
sublimation
liquids ______ ______ ____________ they are contained in.
take the shape
What gas do you breathe in and what gas do you breathe out?
Oxygen and CO2
Your ice cream mix had to ____________ before eating and then it ____________ due to heat.
freezing and melting
When matter changes from state to the next, we call it a ___________ change?
Phase
What changes a solid to a liquid?
melting
what has to happen to a liquid for it to change into a gas?
heat
Why are many gasses so dangerous to us?
you can not see or smell the gas
Why is NaCl used to cover roads during an ice storm?
it melts the ice
Describe the atoms of a solid, liquid and gas?
solid - fixed volume and fixed shape
liquid - fixed volume and changing shape
gas - changing volume and changing shape
when a gas changes to a solid?
deposition
What changes a liquid to a gas?
What changes a gas directly to a solid
deposition
What did the rock salt get out of your ice cream mix to make it freeze?
heat
If it is 10 degrees outside you can witness a solid changing to a gas? what is that called?
sublimation