Science charts
The physics a school course asks for is a short list — a page of formulas, most of them one line long. What makes it hard is not the algebra but the bookkeeping: which symbol is which, what unit it carries, and which formula applies to the situation in front of you.
So the sheet is arranged by topic rather than alphabetically, every symbol is named, and every unit is stated. It is a reference for the desk during homework, not a substitute for the textbook.
It belongs above a desk or on a classroom wall — at the height where it gets read while working, rather than admired from the doorway.
THE BEAUFORT SCALE
thirteen forces of wind — from water like a mirror to a wave of fourteen metres
THE EIGHT BLOOD TYPES
three antigens, eight types — and the one rule the whole table of compatibility follows from
RED CABBAGE pH INDICATOR
the purple juice that changes colour: acid or base, without asking a book
THE TEN CLOUD GENERA
three levels of the troposphere to one scale, and the ten genera that live in them
COLOUR GAMUTS
sRGB, Display P3, Rec. 2020 and ProPhoto RGB on the CIE 1931 chromaticity diagram
THE COMPASS ROSE
the sixteen compass points with exact bearings: four cardinal, four intercardinal, eight in between
THE VERTICAL PLANET
from the Challenger Deep to the summit of Everest · one scale, nothing compressed
TN, VA, IPS AND OLED
what differs inside the cell · and a paper describing each mode
MAMMALS IN TIME
from the first synapsid to us · 320 million years on one axis
VERTEBRATES IN TIME
when each group appeared · five hundred million years on one axis
THE FUJITA SCALE
six categories of tornado damage — and the two different winds assigned to them
GREEK LETTERS IN SCIENCE
10 capitals with a shape of their own, 14 twins of Latin letters, and what each one stands for