1.
to total numbers together
2.
a quantity of something
3.
focusing awareness on a narrow range of events
5.
a sweet, brown food that is made from cocoa
6.
a vertical stack of cells in a table or worksheet
7.
a value that does not change
8.
a solid in which the atoms are arranged in a pattern that repeats again and again
10.
able to be passed easily from one person to another
11.
a certificate that allows a buyer to receive a discount
12.
beliefs, customs, and traditions of a specific group of people
14.
downward measurement from a surface
15.
a conversation or debate about a certain topic
16.
reflection of sound waves
17.
a pure substance made of only one kind of atom
19.
a way to get into something
20.
a breaking of a law or promise
21.
to form a mental picture
22.
a vent or fissure in the Earth's crust through which magma and gases are expelled
23.
a complicated network of winding passages or a maze
