Vocab 1
What does microscopic mean?
An item to small to be seen with the naked eye, requiring a microscope to see it.
What is melting point?
the temperature at which a substance changes phase from a solid to a liquid.
What are the three main phases of matter?
Solid, Liquid, and Gas
What does Macroscopic mean?
An substance you are able to see with the naked eye
What is boiling point?
The temperature at which a liquid turns into a gas.
When water freezes and becomes ice, it is changing phases from _____ to ______.
Liquid to Solid.
What is a property of a substance?
A characteristic of a substance that can be used to define it.
What is freezing point
the temperature at which a substance changes from liquid to solid.
True or False; you can use the properties of a substance to identify the substance.
True
What is the mass of a substance?
The amount of matter in an substance.
What is the density of a substance.
the compactness of a substance
True or False; Mass is the same thing as weight.
False, Mass refers to how much there is in a substance, while weight refers to how heavy it is.
What is the volume of a substance?
The total amount of space a substance occupies
How can you calculate density?
Divide the mass of an item by its volume.
Mass/Volume
You stumble across an unknown clear liquid. How could you figure out what the liquid is?
Have each student answer independetly.