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

1. Every river starts high up _______, where rain and melting snow gather into small streams.
2. Dams built across rivers trap water and use its flow to spin turbines that generate _______.
3. When rain falls on the land, it flows downhill, joining streams, which join _______, which eventually reach the sea.
4. It flows from mountains as streams, merging into rivers that carry water, soil, and _______s all the way to the sea.
5. Rain and Rivers is an important topic in _______.

Choose the best option for each question.

1. What percentage of Earth's water is fresh?
   a) 97%b) 50%c) 3%d) 10%
2. Where do rivers begin?
   a) In the seab) In desertsc) In mountains or hillsd) Underground only
3. What do dams on rivers help to produce?
   a) Oxygenb) Electricityc) Soild) Rain

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

1. 3% is one of the key concepts in the lesson on Rain and Rivers.
2. 97% is the main topic of this lesson.
3. Every river starts high up in mountains or hills, where rain and melting snow gather into small streams.
4. Every river starts high up In the sea, where rain and melting snow gather into small streams.

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