Science

Standard 5 · 10 topics available

Making a hypothesis, controlling variables and drawing conclusions from results — with an interactive exercise.

How we breathe — the respiratory system, oxygen and carbon dioxide — with an interactive exercise.

How animals survive and protect their young, and how they adapt to their habitats — with an interactive exercise.

How plants protect themselves and how their seeds are dispersed — with an interactive exercise.

Complete circuits, the parts of a circuit, and conductors versus insulators — with an interactive exercise.

Heat as energy — how it flows, makes things expand, and travels through conductors — with an interactive exercise.

What causes iron to rust and how rusting can be prevented — with an interactive exercise.

What matter is, its three states, and how it changes state — with an interactive exercise.

Why the Moon appears to change shape over a month, and what a constellation is — with an interactive exercise.

How machines let us use less force, using levers, pulleys and gears — with an interactive exercise.

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