Fill in each blank with the correct word from the lesson.

1. The trick is winnowing — using the _______.
2. The _______ is carried sideways by the wind and lands further away.
3. Farmers across India have used _______ for thousands of years.
4. The farmer drops the _______ from a height on a windy day.
5. Winnowing is an important topic in _______.

Choose the best option for each question.

1. What does winnowing use to separate things?
   a) Waterb) Windc) Heatd) A magnet
2. Which lands further away when winnowed?
   a) Heavy grainb) Light chaffc) Both equallyd) Neither — it all stays put
3. Winnowing works because grain and chaff have different…
   a) Sizesb) Coloursc) Weightsd) Smells

Write T for True or F for False in the brackets.

1. The trick is winnowing — using the wind.
2. The trick is winnowing — using the Water.
3. The light chaff is carried sideways by the wind and lands further away.
4. The Heavy grain is carried sideways by the wind and lands further away.

1. In your own words, explain what Winnowing means.
2. List two things you learned from this lesson on Winnowing.