Science · Key Stage 4 (GCSE)
Topic guide
Cell biology · Bioenergetics · Atomic structure & the periodic table · Chemical bonding · Rates of reaction · Energy & electricity · Forces & motion · Inheritance & genetics
Try at home
- Write the word equation for photosynthesis
- State two factors that increase the rate of a reaction
- Calculate the resistance if V = 12 V and I = 3 A
Written activities are unscored. Discuss them with a parent or teacher.
Sample practice only. Results are not saved to an account.