Biology
The name of the pores (holes) in leaves that allow gas exchange
Stomata
The element with the symbol Na
Sodium
The sixth & seventh planets from the sun
Saturn & Uranus
The number of faces are there in a pentagonal prism
7
Who derived relativistic equations such as E = mc2?
Albert Einstein
The enzyme in saliva that breaks starch down
Amylase
Avogrados number (1 mole)
6.02x1023 (accept factor of 100 i.e. 1021 to 1025)
Absolute 0 (0 Kelvin) in degrees celcius
-273oC (± 10oC range allowed)
The gradient in a velocity-time graph represents..
The age of the universe
13.8 billion years
The name of the vein that brings deoxygenated blood to the heart
Vena Cava
The general products for a Metal Carbonate + Acid
Helium nucleus or 2 protons & 2 neutrons
Which triginometric graph is this
Cosine
What is the SI system?
The system that standardises the use of units in scientific measurements (e.g. length is meters, mass is kilograms etc)
What is vitamin A needed for and what is the effect of its deficency?
(Night) vision, (night) blindness
The color of the precipitate in the cation test for Iron(II)
Green
The two conditions for total internal reflection?
Angle of incidence has to be greater than the critical angle. The ray must be in the more optically dense material.
The quadratic formula
x = (-b±√(b2 - 4ac))/2a
The scientist that theorised the theory of evolution by Natural Selection
Charles Darwin
What does the Phloem vessel in plants transport?
Sucrose
chese
After the red giant phase, what will our sun likely turn into?
White dwarf
What are mutually exclusive events in probability?
Events that cannot occur at the same time
What is the chemical formula of baking soda
NaHCO3