Measuring Up
The base unit of length in the metric system
What is meter?
The subatomic particle with a neutral charge
What is a neutron?
Metal salts are burned during this to identify the color they emit.
What is a flame test?
Represented by the Greek letter lambda, this is the distance between two crests of a wave of light.
What is a wavelength?
The metric prefix that means one-hundredth
What is centi?
A mixture whose composition is the same throughout
What is homogeneous?
This liquid from the density lab comprised the top layer in your beaker.
What is oil?
Of the visible colors we see, this one has the longest wavelength.
What is red?
A measure of how much matter exist in an object
What is mass?
A pure substance that is composed of two or more elements
What is a compound?
What is three?
The number of waves that pass a given point every second
What is frequency?
This is equal to one cubic centimeter
What is one milliliter (mL)?
Samples of this type of mixture include Italian salad dressing and a bowl of cereal and milk
What is heterogeneous?
This was added to milk during the lab to cause curdling, but it didn't change the total mass.
What is vinegar?
Tiny packets of light waves
What are photons?
A measure of how tightly packed the matter in a substance is
What is density?
Two or more atoms with the same number of protons but different numbers of neutrons
What are isotopes?
The porcelain dish with a lid that can withstand high heat and must be moved only with tongs during a lab.
What is a crucible?
Identifying chemicals by studying the light they emit or absorb
What is spectroscopy?