Mass,Class 6

🌈 Mass (Class 8)

🎯 Learning Objectives

• Understand the concept of mass.
• Learn units of mass in different systems.
• Identify measuring instruments.
• Understand conversions between units.

🧩 Competencies

• Conceptual Understanding
• Measurement Skills
• Analytical Thinking
• Application Skills

📊 Learning Outcomes

• Defines mass correctly.
• Identifies SI and other units.
• Performs unit conversions.
• Recognizes measuring devices.

📌 Evidence

• Student explains unit conversion
• Correct MCQ responses
• Identification of instruments

---

🌈 5W–1H + 1U

🔴 What: Mass is the amount of matter in a body.

🟠 Why: To measure quantity of matter.

🟡 When: Used in daily measurements.

🟢 Where: Shops, labs, industries.

🔵 Who: Everyone uses mass.

🟣 How: Using balances and standard units.

⚫ 1U: Mass does not change with location.

---

📝 Who Am I (MCQ)

1. I measure amount of matter.

Weight Mass Force Energy

2. SI unit of mass is:

Gram Kilogram Pound Tonne

3. 1 kg =

100 g 1000 g 10 g 500 g

4. Smaller unit is:

Tonne Kilogram Milligram Quintal

5. Larger unit is:

Gram Milligram Tonne mg

6. Used in shops:

Beam balance Thermometer Barometer Clock

7. Electronic device is:

Beam balance Electronic balance Spring Lever

8. 1 tonne =

100 kg 1000 kg 10 kg 500 kg

9. Mass is:

Variable Constant Zero Changing

10. CGS unit is:

Kilogram Gram Pound Tonne

---

🧠 HOTS

1. Why mass does not change with location?

Because it depends on matter, not gravity.

2. Why SI unit is kilogram?

Standard unit for global measurement.

3. Why electronic balance is preferred?

Gives more accurate reading.

4. Difference between mass and weight?

Mass is constant, weight depends on gravity.

5. Why large units needed?

To measure heavy objects easily.