🔬 Day 1 Science: Living Things (生物)
Hello, Sisi! Today we will learn about living things 生物. This is a key topic for PSLE Science!
📚 Key Vocabulary (重点词汇)
🔹 Part 1: What are Living Things? (什么是生物？)
Living things 生物 are organisms that have life. They share 7 characteristics:
📌 MRS GREN (记忆口诀)
Movement（移动）- Living things can move
Respiration（呼吸）- Living things breathe
Sensitivity（感应）- Living things respond to stimuli
Growth（生长）- Living things grow
Reproduction（繁殖）- Living things reproduce
Excretion（排泄）- Living things produce waste
Nutrition（营养）- Living things need food
💡 Examples (例题)
- Plants: Trees, flowers, grass – they grow and need sunlight
- Animals: Dogs, cats, birds – they move and breathe
- Humans: We can move, think, and reproduce
🎮 Interactive Demo: Living or Non-Living? (互动演示：生物还是非生物？)
Click on the items to classify（分类）them!
🔹 Part 2: Types of Animals (动物类型)
Animals can be grouped into different categories 类别:
📌 Animal Groups (动物分类)
Mammals（哺乳动物）: Have hair/fur, give birth to babies, produce milk
Birds（鸟类）: Have feathers, lay eggs, have wings
Reptiles（爬行动物）: Have scales, lay eggs, cold-blooded
Amphibians（两栖动物）: Live on land and water, moist skin
Fish（鱼类）: Live in water, have gills and scales
💡 Examples (例题)
- Mammals: Dogs, cats, humans, whales
- Birds: Eagles, penguins, sparrows
- Reptiles: Snakes, lizards, turtles
🔹 Part 3: Practice Questions (练习题)
Q1: Which is NOT a characteristic of living things?
Q2: Which animal group has feathers?
Q3: What does MRS GREN stand for?
📝 Summary (本节总结)
- ✅ Living things have 7 characteristics: MRS GREN
- ✅ Animals are grouped into: Mammals, Birds, Reptiles, etc.
- ✅ Mammals have hair and produce milk
- ✅ Birds have feathers and lay eggs