🎧 Listen to today’s story
📚 Key Words
| Word | Meaning | 中文 |
|---|---|---|
| sweat | To lose liquid through the skin or surface. | 出汗/流汗 |
| release | To let something come out or go free. | 释放 |
| ground | The surface of the earth that we walk on. | 地面 |
| gas | A substance like air that is not solid or liquid. | 气体 |
| liter | A unit used to measure how much liquid there is. | 升 |
| humidity | The amount of water that is in the air. | 湿度 |
| sticky | Feeling like glue; making you feel uncomfortable in the heat. | 黏糊糊的 |
| famous | Known by many people. | 著名的 |
📖 Read the story
Did you know that corn can sweat? On hot summer days, corn plants release water into the air. This is called ‘corn sweat.’ When it is sunny, water moves from the ground and the plants up into the sky. This happens when water turns into a gas. One big field of corn releases thousands of liters of water every day. That is a lot of water! This makes the air feel very wet. We call this ‘humidity.’ This is why summer days often feel sticky. Other plants like soybeans do this too. However, corn is the most famous for it. Next time you see a cornfield, remember that it is breathing out water! Some people like hot and wet weather, but others do not. What about you? Do you like the summer?
✏️ Answer the questions
1. What is ‘corn sweat’?
- A.Rain falling on corn
- B.Water moving from plants into the air
- C.Farmers watering the corn
- D.Corn growing very fast
2. When does corn sweat usually happen?
- A.On cold winter nights
- B.When it is raining
- C.On hot summer days
- D.Only in the morning
3. How much water can one big field release each day?
- A.Only one liter
- B.One hundred liters
- C.No water at all
- D.Thousands of liters
4. How does the air feel because of the water from plants?
- A.Very dry
- B.Cold and snowy
- C.Wet and sticky
- D.Fresh and clean
5. Which other plant also releases water like corn?
- A.Soybeans
- B.Apple trees
- C.Roses
- D.Carrots