1
Conductors & insulators
Conductors carry electricity (metals). Insulators don't (plastic, wood, rubber).
🔧 conductor · 🪵 insulator
Materials
📖 Study · Materials (Grade 4)
Materials (Grade 4)
Materials have properties — and we choose materials based on those properties.
🎯 What you'll learn
- ✓Conductor vs insulator
- ✓Natural vs man-made
- ✓Recycling and reusing
2
Transparent / translucent / opaque
Transparent = clear. Translucent = lets some light through. Opaque = blocks all light.
🪟 clear · 🧊 fuzzy · 📕 opaque
3
Natural vs man-made
Natural: cotton, wool, wood. Man-made: plastic, nylon, glass.
🧶 vs 🥤
4
Reduce, reuse, recycle
We protect the Earth by using less, reusing things, and recycling materials into new products.
♻️ Reduce → Reuse → Recycle