BIOLOGY
CHEM
PHYS
MATHS
100
What is the function of the stomata?
OPEN AND CLOSE FOR GAS EXCHANGE
100
What does the RELATIVE ATOMIC MASS number of an element represent on the periodic table?
Neutrons + protons
100
3 examples of energy use
I WILL DECIDE
100
What is the quadratic formula?
-b plus minus sqrt b2 - 4ac all duivided by 2a
200
What is the hypothalamus used for?
Produces hormones
200
True or False,
The reactivity gets faster the lower you go down the halogens
FALSE
200
Why are voltmeters placed in parallel?
Measures p.d
200
What is cos rule?
300
What is the definition of osmosis?
diffusion of water through partially permeable memb
300
What ion is formed when GROUP 1 ELEMENTS react with water?
[OH]^-1
300
What is half-life?
the time required for half of something to undergo a process
300
NAME THE CIRCLE THEORUM
I have a shape inside of the circle,
All verticies of this shape touch the circumference.
The total sum of angles in this shape is 360.
What circle theorum can i use in this shape?
OPP ANGLES IN A CYCLIC QUADRILATERAL ADD TO 180
400
What is the BALANCED (MAKE SURE YOU BALANCE IT OR ELSE NO POINTS) BALANCE IT PLEASE, equation for photosynthesis?
6CO2 + 6H20 = C6H12O6 + 6O2
400
NH3 is the chemical made during the haber process, what is this chemical called?
AMMONIA
400
What is the formula for specific heat capacity?
400
Describe a non-monic quadratic.
MUST HAVE
x^2
and cannot be 1x^2
must be other number other than 1 or any negative.
500
Where is transpiration taken place in?
Xylem cell
500
TRUE or FALSE,
Astatine is a noble gas that CANNOT live.
FALSE
Astatine is a halogen, but cannot live.
500
Why does the resistance increase in a wire when the current increases? (x3 possible)
Temp increase (1)
Ionic lattice moves more (1)
Blocks the electron flow (1)
500
What an integral?
The area under a curve