Physics
Chemistry
Biology
Its a Date
PEMDAS
100
During β⁺ decay, an up quark transforms into this type of quark.
Down Quark
100
When iron(II) sulfate is strongly heated, this sulfur-containing atmospheric pollutant is produced and contributes to acid rain.
Sulfur Dioxide
100
In DNA, this nitrogenous base forms hydrogen bonds with adenine.
Thymine
100
Twin Towers ceased to exist in this year
2001
100
2+2-3xx2+5
3
200
This law states that the sum of all voltages around a closed loop in any circuit must be equal to zero
Kirchoffs Second Law
200
According to Brønsted–Lowry theory, an acid is a substance that does this
Donates a Proton (H⁺)
200
This phase in the menstruation cycle where ovaries prepare eggs for ovulation
Follicular phase
200
Known as Pi Day, this date corresponds to the first three digits of π when written month/day
March 14th
200
5/3 xx 12+8/3 xx9
44
300
In a stationary wave, the distance from one node to the adjacent antinode is L. What is the wavelength?
4L
300
with the three stable isotopes 16O, 17O and 18O, an O₂⁺ mass spectrum can contain this many distinct mass peaks.
5
300
Loading sucrose into a phloem sieve tube makes this property more negative, causing water to enter the sieve tube by osmosis
Water Potential
300
International Workers' Day, or May Day, is observed in many countries on this date.
May 1st
300
3+4(6−2)^2÷8
11
400
Two masses attract with gravitational force F. Tripling the distance between their centres reduces the force to this fraction of F.
F/9
400
BONUS!!!
D
400
The diagram is showing this bond formation
PEPTITE BOND
400
The Berlin Wall fell in this year
1989
400
48÷6×2+4
20
500
An electron with velocity components both parallel and perpendicular to a uniform magnetic field follows a path of this shape.
A helix / helical path
500
This organic product is formed when bromoethane undergoes an elimination reaction.
Ethene
500
BONUS!!!
C
500
The Chernobyl nuclear disaster began in this month in 1986.
(Double Points if you know the date)
April 26
500
6÷2(1+2)
9