🌱 Part 1: Understanding Photosynthesis

1. What is photosynthesis? Choose the best definition.

The process where plants breathe oxygen

The process where plants convert light energy into chemical energy

The process where plants absorb water from soil

The process where plants release carbon dioxide

2. Which of these are needed for photosynthesis? (Select all that apply)

Sunlight

Carbon dioxide

Water

Oxygen

3. Where does photosynthesis occur in plant cells?

Nucleus

Chloroplasts

Cell wall

Vacuole

4. Complete the word equation for photosynthesis:

Carbon dioxide + _____________ → _____________ + Oxygen

🔬 Part 2: Chemical Equation and Energy Flow

5. Write the balanced chemical equation for photosynthesis using the symbols provided:

Symbols: CO₂, H₂O, C₆H₁₂O₆, O₂

6. Explain why photosynthesis is important for ecosystems. Give at least two reasons.

7. Trace the energy flow: Starting with sunlight, describe how energy moves through an ecosystem.

Sunlight → _____________ → _____________ → _____________

8. Why is photosynthesis sometimes called the "engine of life"?

9. Draw a simple diagram showing the inputs and outputs of photosynthesis. Label your diagram clearly.

10. What would happen to animals if plants could not carry out photosynthesis?