Science

Standard 4 · 10 topics available

Planning experiments with variables — what to change, keep the same and measure — and making inferences, with an interactive exercise.

How the body gets energy from food through digestion, and why a balanced diet matters — with an interactive exercise.

Grouping animals by what they eat — herbivores, carnivores and omnivores — with an interactive exercise.

How green plants make their own food using sunlight — with an interactive exercise.

How light travels in straight lines, passes through or is blocked by materials, and reflects — with an interactive exercise.

How sound is made by vibrations and travels to our ears — with an interactive exercise.

What energy is, its sources, and which sources can be renewed — with an interactive exercise.

The properties of materials and how we choose the right material for a job — with an interactive exercise.

The Earth's natural resources and why we must use them wisely — with an interactive exercise.

How machines make work easier, and how simple machines combine into bigger ones — with an interactive exercise.

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