Guided practicals mapped to grade and topic. Open one to read the theory, then start the lab.
5 experiments
Soak potato cylinders in sucrose solutions, measure the change in mass and find the concentration of the cell sap.
Use an eyepiece graticule at different magnifications to measure the real length of plant and animal cells.
Move a lamp towards a water plant and count the oxygen bubbles to see how light limits photosynthesis.
Learn the four standard food tests on known samples, then work out which nutrients an unknown food contains.
Time how fast amylase digests starch at different temperatures and pH values, and find its optimum.