Fractional Distillation
Crude oil is a mixture — the column sorts it by chain length
Accessibility — Adapt
Theme
Dark navy theme
Colour overlay (Irlen)
Off
Display
Reading ruler
Wider spacing (dyslexia)
Text size
100%
High contrast
Classroom / projector mode
Method checklistLists the four steps along the bottom and ticks them off as you go.
Show the workingAdds the formula and the boiling range of the fraction you are on, under the instruction line.
Outline the partsDraws a dark edge round every tank, pipe and vehicle so it stands out from the ground.
Coloured ground zonesBlue ground where the oil is heated, amber where it is separated, green where the fractions are used.
Label detailHow much writing floats in the scene. Key words names only the part you are being asked to use. The six names on the tower always stay.
Key words
Procedure
Buttons onlyAdds a named button for every part, so nothing has to be tapped in the 3D scene.
Moving the view
How to move the plantDrag to turn it round. Two fingers, or right-click, or Shift and drag, to slide it across. Arrow keys turn it, Shift and the arrow keys slide it, plus and minus zoom in and out. Recentre view puts everything back.
Motion & colour vision
Show the molecules movingThe chains of atoms rising up the column, the smoke and the flames. Turn off for a still picture.
Reduce motion
Slow animation
Auto-rotate camera
Protanopia
Deuteranopia