Ability groups of 4-5, each has different task. Put their names on the sheets. Get them to work out the scenario's result, producing a poster with limited number of pictures, figures etc, so they then have to explain what they've found out.

Group task designed around cost of electricity equations. See ppt then customised group sheets for your students.

Very animation heavy so much sure you play it in slide-show mode when evaluating if it will work for you. A powerpoint and student sheet on these organic compounds and their reactions.

Outlines the thermal decomposition of calcium carbonate practical/demonstration.

Students to draw what solid/liquid/gas states of water look like in the beaker. Then they are to 'zoom in&' to the particles and draw what they would look like for each state. Students to then complete a short extended writing activity using as many keywords as they can to describe the process of ice melting and water boiling. Higher ability students should be able to refer to the movement and arrangement of particles in this piece.

Low ability: Note: print on A5, be specific about classification question 2 i.e. referring to the table on the sheet, not the periodic table as a whole.

With a focus on the Iron sulfide practical, targeted at lower ability year 7.