Revision Topic: form Combined Science revision
O Level Revision : Combined Science - Plant Nutrition
The sun is the ultimate source of energy for all living things. Green plants can...
O Level Revision : Combined Science - Science in Industry...
Industrial processes involve production on a large scale. Large sites and machinery...
O Level Revision : Combined Science - Science in Industry...
Iron and copper are widely used metals. Iron and copper exist in the environment...
O Level Revision : Combined Science - Science in Industry...
Materials in all forms, i.e. solids, liquids and gases are all made up of matter....
O Level Revision : Combined Science - Ecosystems
An ecosystem is a self-contained system of interdependent organisms and their physical...
O Level Revision : Combined Science - Inheritance
Plants of the same species are different. The difference between organisms of the...
O Level Revision : Combined Science - Reproduction in Plants
Reproduction is the production of young ones/offpring. Reproduction using sex cells...
O Level Revision : Combined Science - Transport in Animals
Many substances need to be transported around the body. Nutrients are transported...
O Level Revision : Combined Science - Transport in Plants
Plants are either dicotyledonous or monocotyledonous. Seeds of dicotyledons have...
O Level Revision : Combined Science - Gaseous Exchange...
Processes that take place in the body require energy. The energy needed by the body...
O Level Revision : Combined Science - Animal Nutrition
Animal nutrition focuses on the dietary nutrients needs of animals, especially those...