P4 Science Singapore – Free Quizzes, Notes & Flashcards

🔬 The small intestine is about 6–7 metres long — uncoiled! 🌿 Leaves contain chlorophyll which absorbs sunlight for photosynthesis! 💧 Water is the only substance that naturally exists as solid, liquid and gas on Earth! 🧲 Cutting a magnet in half gives you TWO complete magnets! ☀️ Light travels at 300,000 km per second — 7.5 times around Earth per second! 🔌 Parallel circuits are used in homes so appliances work independently! 🌸 Insects pollinate flowers attracted by colour, scent and nectar! ⚗️ Salt dissolves in water but does NOT disappear — you can taste it!

📋 Updated for MOE 2026 Syllabus — This page follows the revised MOE Primary Science Syllabus (2023), effective for all students sitting PSLE from 2026 onwards. Topics are now assigned to specific levels. Note: Light, Heat and Magnets are formally P3 topics — the P4 content here builds deeper understanding of these same concepts as part of the spiral curriculum. Plant Reproduction is taught here as an introduction; the full topic belongs to P5 in the 2026 syllabus.

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🧠Quiz Me!MCQ with timer

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📖Study NotesRead & understand

✍️ Exam Practice OEQ + model answers

📚 P4 Science Topics

🔬 Primary 4 Science

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