💧 Exam: Water Management & Harvesting

Week 3 / สัปดาห์ที่ 3 — การจัดการน้ำและการเก็บกักน้ำ

Select Difficulty / เลือกระดับความยาก

Vocabulary

Q1. A 'swale' is ___.

a deep well a shallow trench to catch water a water pump a type of pipe

Q2. 'Conserve' means to ___.

throw away use carefully and not waste sell build

Q3. 'Catchment' means ___.

throwing water away an area that collects rainwater a fishing net a water bottle

Q4. 'Infiltration' means water ___.

evaporating into air soaking into the soil running off the surface being pumped

Grammar: Present Simple

Q5. Water ___ downhill. (flow)

flowing flows flowed flow

Q6. A swale ___ rainwater. (catch)

catching catches caught catch

Q7. Roots ___ water from the soil. (absorb)

absorbs absorbing absorb absorbed

Q8. The pond ___ water for the dry season.

storing stores stored store

Q9. Which sentence is Present Simple?

Water is flowing down. Water flows downhill. Water was flowing. Water will flow.

Water Systems

Q10. A swale is dug along a ___.

straight line contour line road river

Q11. A first-flush diverter removes ___.

fish from the pond the first dirty roof water leaves from the garden weeds from the swale

Q12. How deep should a basic swale be?

1–5 cm 30–50 cm 2–3 meters 10 meters

Q13. How much water can a 100m2 roof in Bangkok collect per year?

1,400 liters 14,000 liters 140,000+ liters 1.4 million liters

Mulch & Moisture

Q14. Mulch is placed on top of ___.

the roof bare soil water animals

Q15. Mulch reduces evaporation by up to ___.

10% 30% 70% 100%

Q16. Good mulch materials include all EXCEPT ___.

dried leaves rice husks plastic bags straw

Q17. Mulch helps soil by ___.

keeping it cool, reducing weeds, and feeding microorganisms making it hotter removing nutrients preventing rain from entering

Thailand Water Challenges

Q18. Thailand's rainy season is ___.

November to February May to October January to April All year

Q19. The biggest water challenge in Thailand is ___.

too much rain all year the dry season with little rain snow melting ocean flooding

Q20. Gravity feed systems use ___ to move water.

pumps electricity slope/gravity wind

Q21. Fish pond water can be used to ___.

wash clothes fertilize plants make drinking water cool buildings

Your Results / ผลสอบของคุณ

Grade: -