Lesson 13 Why are plants important?
Learning aims:
1. Remember the new words: air, energy, die, heat, nothing, bamboo, kilogram, shade, carry away, make…into.
2. The important sentences:
① Trees help clean the air.
② Donuts don’t grow>③ All plants take energy from the sun and make it into food.
④ Without food, they would have nothing to eat and they would die.
Learning important and difficult points:
1. 区分短语in trees 与on trees。
2. Master “Why are plants important?”
Learning method:
Listen, say, read and write.
Learning steps:
Step 1. Talking
Talk about: Why do we need trees? What kind of things can plants do?
Step 2. Learning
Learn new words.
Step 3. Reading
Read the dialogue first. Then find out the useful expressions.
1. talk about
2. clean the air
3.>4. carry…away
Step 4. Practice
Practice the dialogue in pairs.
Step 5. Do exercises
Step 6. Homework
Why do we need plants? Find three answers to these questions.
