Science

All Science skills

Foundations

• C1.1 · The human body: Body systems work together: the circulatory system carries oxygen, the digestive system extracts nutrients and the urinary system filters the blood.
• C1.2 · Everyday chemistry: Rust, melting ice and the pH of a cleaning product are applied chemistry. A change of state is physical; making a new substance is a chemical reaction.

Intermediate

• C2.1 · Basic physics: Average speed is distance divided by time. Electric energy is power times time, which is why power bills charge in kWh.

Applied

• C3.1 · Ecology and energy: Energy enters ecosystems through photosynthesis and moves up the food chain. Burning fossil fuels releases CO₂, the main gas behind global warming.