What is the smallest unit of matter that can still be called that element?
atom
This phase change is the name for a solid changing to a liquid. ____________ point
melting point
This is a measurement of how much matter is in something.
mass
solute
The number of waves that pass a given point per second.
frequency
These properties are the ones that can be either observed or measured
physical properties
What occurs at the same temperature as the melting point?
freezing point
This measurement is how much space a substance takes up.
volume
The liquid part of a mixture that does the dissolving.
solvent
highest point on a transverse wave
crest
Which of the following measurements is not dependent on the amount of the substance present?:
mass, volume, density
density
What is another word for vaporization point?
boiling point
How do I calculate density?
D=m/v
What is the best way to get something to dissolve more or dissolve faster?
Increase the temperature
Name both:
when a longitudinal wave is bunched together, this is called a _________________.
when a longitudinal wave is spread apart, this is called a __________________.
compression
rarefaction
Name the three phases of matter.
solid, liquid, gas
What phase occurs at the same temperature as the vaporization point?
condensation point
If George Clooney asks Ms. Robertson to marry him and gives her a ring that has a mass of 56g and a volume of 8g, what is the density of Ms. Robertson's new ring?
7 g
Name the two ways to dissolve more solute into a solution.
Increase temperature
Stir the solution
This tiny part of the EMS is the only part we can see without special equipment.
Visible Light Spectrum
These properties of matter are those we only see when there is a chemical reaction.
chemical properties
If I heat some ice cubes in a pan and monitor the temperature the whole time, why does the temperature stay the same for a while and then begin to rise? When will the temperature rise again?
The energy is used to break up the ice lattice. The temp will rise again once all the ice cubes are melted.
Jahiem has four objects that have the same mass and same volume. One of the objects floats and the other three sink. Why?
The objects that sink have a density greater than water (1gm/ml) and the other object has a density less than water.
Which of the following will dissolve salt into water faster?
70 degrees Celsius water
30 degrees Celsius water
70 degrees Celsius
cells that line the back of the eye and contain rods and cones
retina