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Secondary 2 Science

The secondary 2 Science syllabus is organised into five major themes and focuses on building a strong foundation in the concepts required for the disciplinary Sciences (Biology, Chemistry, and Physics) when students progress through the upper secondary levels. Students will take a closer look at familiar topics such as the transport systems in plants and human beings and how energy is gained or lost through various means. Meanwhile, new topics such as atoms & molecules, as well as force & pressure, will also be introduced.

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List of Topics
Acids And Alkalis
Interactions Through The Application Of Forces
Chemical Changes
Energy And Work Done
Transfer Of Heat Energy And Its Effects
What Is Work? Explaining the Concept, Formula, and Measurement
Can you really watch the Earth spin? Exploring the fascinating science of our planet's rotation
Human Sexual Reproductive System
Electrical Systems
Transport System In Living Things
Interactions Within Ecosystems

Strategies For Teaching Secondary 2 Science

Conceptual Mind Maps

Mind maps are visual tools that help students organise and connect information more easily. First, take a piece of paper and jot down a specific topic/concept (eg. human digestive system) at the centre of the page. From there, branch out to different subtopics, such as the organs involved, their functions, and the processes that occur. Encourage your child to add relevant information, labels, and illustrations to each branch. If they’re feeling a little creative, they can use coloured pens or highlighters to make their mind map pop!

Engage in lively scientific discussions

One of the best ways to spark a love for science in students is by engaging in exciting science-related discussions. PIck a topic that interests the family, and let it spark a lively conversation around the dinner table. For instance, you could discuss the environmental impact of plastic pollution, or the incredible transport systems of animals and plants. Encourage your child to express their opinions, ask questions, and provide evidence to support their views. This will develop their critical thinking skills and enhance their ability to communicate scientific ideas effectively. You can also involve the whole family in these discussions to make it a fun and interactive learning experience.

How to make learning Secondary 2 Science fun?

When it comes to the world of science, getting to learn with your hands is part of the fun! While exam practice papers and assessment books have their rightful place in your study routine, you can add some colours to your child’s learning journey with experiments you can do at home. For example, you may observe the effects of density in action simply by creating a density tower at home using water, oil, dish soap, and maple syrup. Carefully pour each liquid, one at a time, into a clear container, making sure to layer them based on their densities. Observe the layers and discuss why some liquids float while others sink.

Common challenges when teaching Secondary 2 Science

Parents hoping to teach secondary 2 science may face a few common challenges. Firstly, understanding complex concepts can be a struggle. Science subjects involve intricate theories and ideas that may be difficult to simplify for a child's comprehension. Parents may find it challenging to explain these concepts in a way that is both accurate and understandable. Secondly, keeping up with the curriculum can be overwhelming. Schools follow a rigorous curriculum that covers a wide range of topics. Parents may find it hard to keep pace with the curriculum and ensure that they are adequately supporting their child's learning. It requires staying updated with the content and requirements of the syllabus. To overcome these challenges, parents can seek out helpful advice from sites such as Kiasu Parents or Sassy Mama. Alternatively, parents can check out Geniebook’s powerful suite of AI learning tools designed to accelerate students’ improvement through personalised learning.

Frequently Asked Questions (FAQs)

How does Secondary 2 Science differ from Secondary 3 Science?

Secondary 2 science and secondary 3 science in Singapore differ in terms of curriculum coverage and depth of study. Secondary 2 Science focuses on providing a broad overview of scientific concepts across different branches of science, aiming to establish a foundational understanding. In contrast, Secondary 3 Science delves deeper into specific scientific disciplines, with more comprehensive coverage and increased complexity. Students explore topics in greater detail and engage in more advanced laboratory work. On top of that, the examination format in Secondary 2 Science assesses fundamental concepts, while Secondary 3 Science examinations involve more challenging questions that require higher-order thinking skills. Secondary 3 Science plays a crucial role in preparing students for the O-Level examinations, providing the necessary depth of study and knowledge required for these examinations.

What topics are covered in the Lower Secondary Science syllabus?

The Lower Secondary Science syllabus covers various topics grouped under five themes: The Scientific Endeavour, Diversity, Models, Interactions, and Systems.


  • Exploring Diversity of Matter by its Physical Properties
  • Exploring Diversity of Matter by its Chemical Composition
  • Exploring Diversity of Matter using Separation Techniques


  • Ray Model of Light
  • Model of Cells the Basic Unit of Life
  • Model of Matter - The Particulate Nature of Matter
  • Model of Matter - Atoms and Molecules


  • Application of Forces and Transfer of Energy
  • Transfer of Heat Energy and its Effects
  • Chemical Changes
  • Interactions within Ecosystems


  • Electrical Systems
  • Human Digestive System
  • Transport Systems in Living Things
  • Human Sexual Reproductive System

What are the benefits of learning Secondary 2 Science?

For students passionate about the sciences, the secondary 2 science syllabus provides a strong foundation that’ll prepare them for the more rigorous demands of upper secondary and tertiary education. More importantly, it helps students to better understand where their strengths and interests lie, which is crucial as they progress to secondary 3. Last but not least, by getting introduced to a wide array of topics, secondary 2 science can often be the catalyst that sets students on the path of pursuing a bright career in STEM.

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