WebEasy-to-understand homework and revision materials for your GCSE Maths Edexcel ‘9-1’ studies and exams. WebShape. A shape is a two-dimensional area. Shapes have height and width but not depth. A shape might be defined by an outline or through contrast with its surroundings, such as through colour or tone.

Electron microscopes - Cell structure - Edexcel - GCSE Biology …

WebGCSE Edexcel Coordination and control - The nervous system The nervous system enables humans to react to their surroundings and to coordinate their behaviour. It comprises billions of neurones,... WebCreating contrast and focus. By changing tones, artists and designers can create focal points in their work. Our eyes are often drawn to the lightest object, so making a key part of a composition ... circuit court of cook county online portal

Animal cells - Cell structure - Edexcel - GCSE Biology ... - BBC Bitesize

WebEnzymes are folded into complex 3D shapes that allow smaller molecules to fit into them. The place where these molecules fit is called the active site. In the lock and key hypothesis, the shape of ... WebDiffusion is the movement of particles from a high to lower concentration. Osmosis is the diffusion of water across a membrane. Active transport moves particles from low to higher concentration ... circuit court of cook county ill