← Grade 7
Sciences · Year 2

Grade 7 Sciences

Ecosystems and classification, atomic structure and the periodic table, and waves and heat transfer. Choose a topic to begin studying.

Criteria A, B, C, D  |  Introductory Band  |  3 Topics

Study Topics

Choose a Topic

Year 2 Sciences Focus

Grade 7 Sciences covers all three science disciplines: biology, chemistry, and physics. For each topic, focus on understanding key vocabulary, being able to explain processes, and applying your knowledge to unfamiliar contexts in exam questions.

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Topic 2.1
Ecosystems & Classification
The five kingdoms, dichotomous keys, ecosystem structure, food webs, photosynthesis, and ecology roles including producers, consumers, and decomposers.
Classification Ecosystems Food Webs Photosynthesis
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Topic 2.2
Atomic Structure & Periodic Table
Protons, neutrons, and electrons; atomic number and mass; the periodic table structure; electron shells; isotopes and ions; and basic chemical bonding.
Atomic Structure Periodic Table Electron Shells Isotopes & Ions
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Topic 2.3
Waves & Heat Transfer
Transverse and longitudinal waves, wave properties (amplitude, frequency, wavelength, speed), conduction, convection, and radiation with real-world applications.
Wave Types Wave Properties Heat Transfer Applications
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