Study guides
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Showing 6091–6120 of 12584 guides
Biology
The effects of carbon dioxide concentration on the dissociation of…
AQAA-Level
7402
Biology
The general pattern of blood circulation in a mammal.
AQAA-Level
7402
Biology
Mass transport in animals: The gross structure of the human heart.
AQAA-Level
7402
Biology
The haemoglobins are a group of chemically similar molecules found in many…
AQAA-Level
7402
Biology
The loading, transport and unloading of oxygen in relation to the…
AQAA-Level
7402
Biology
The role of haemoglobin and red blood cells in the transport of oxygen.
AQAA-Level
7402
Biology
The structure of arteries, arterioles and veins in relation to their…
AQAA-Level
7402
Biology
The structure of capillaries and the importance of capillary beds as…
AQAA-Level
7402
Biology
Phloem as the tissue that transports organic substances in plants.
AQAA-Level
7402
Biology
Students should be able to: recognise correlations and causal…
AQAA-Level
7402
Biology
The mass flow hypothesis for the mechanism of translocation in plants. The…
AQAA-Level
7402
Biology
Xylem as the tissue that transports water in the stem and leaves of…
AQAA-Level
7402
Physics
Materials
Pearson EdexcelA-Level
Pearson-A-Level-Physics
Master the fundamentals of electric circuits, from current and resistance to complex potential dividers. This topic is heavily tested in calculation and graph interpretation questions, making it essential for securing top grades.
Physics
Use of appropriate apparatus to make and record a range of measurements…
OCRGCSE
J249
Physics
Use of such measurements to determine densities of solid and liquid objects.
OCRGCSE
J249
Chemistry
Maxwell–Boltzmann distribution of molecular energies in gases.
AQAA-Level
7405
Chemistry
Students should be able to: draw and interpret distribution curves for…
AQAA-Level
7405
Physics
Mean drift velocity: (a) mean drift velocity of charge carriers
OCRA-Level
H556
Physics
(b) I = Anev , where n is the number density of charge carriers
OCRA-Level
H556
Physics
(c) distinction between conductors, semiconductors and insulators in terms…
OCRA-Level
H556
Geography
How both past and present processes of development can be seen to…
AQAA-Level
7037
Geography
How places may be represented in a variety of different forms such as…
AQAA-Level
7037
Physics
(a) systematic errors (including zero errors) and random errors in…
OCRA-Level
H556
Physics
Measurements and uncertainties: (b) precision and accuracy
OCRA-Level
H556
Physics
(c) absolute and percentage uncertainties when data are combined by…
OCRA-Level
H556
Physics
(d) graphical treatment of errors and uncertainties; line of best fit;…
OCRA-Level
H556
Mathematics
Measures and accuracy: apply and interpret limits of accuracy
AQAGCSE
8300
Mathematics
Estimate answers check calculations using approximation and estimation,…
AQAGCSE
8300
Mathematics
Measures and accuracy: including upper and lower bounds (Higher tier only)
AQAGCSE
8300
Mathematics
Round numbers and measures to an appropriate degree of accuracy (eg to a…
AQAGCSE
8300
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