Unit 4 Exploring planets Using LanguageⅡ 课件（24张PPT）
文档属性
| 名称 | Unit 4 Exploring planets Using LanguageⅡ 课件（24张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 4.2MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-12-24 10:45:56 | ||
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文档简介
(共24张PPT)
what are these bees and butterflies donig?
Question:
moth
fly
humming-bird
unit4 Exploring plants
using language
Flowers and Their Animal Pollinators
辉县市第二高级中学
杨路晓
Skim the passage quickly and answer the questions below.
1.What is the text about?
The text is about flowers and their animal pollinators.
2.What is the chart about?
The chart lists animal pollinators and the characteristics of the flowers they pollinate.
Fast reading
main idea:
The text is about _______ and their animal ___________. The chart lists _________________ and the ______________ of the flowers they pollinate.
flowers
pollinators
animal pollinators
characteristics
Read the text and answer the questions.
Careful reading
1. What is the advantage for animals of visiting flowers?
2. Why do some plants need animals?
3. How does an animal pollinate a flower?
4. What kinds of animals are most flowers pollinated by?
1. What is the advantage for animals of visiting flowers?
A. Animals get food called nectar from the flowers.
B.Animals like the colour of the flowers.
C.Animals can have a rest in the flowers.
Animals can provide food to plants
2. Why do some plants need animals?
A.Some plants need animals to pollinate them.
B.Some plants need animals to survive.
C.Some plants need animals to carry their seeds.
D.Some plants need animals to fertilize them.
3. How does an animal pollinate a flower?
A.An animal pollinates a flower by eating the flowers’ pollen.
B.An animal pollinates a flower by flying around them.
C.An animal pollinates a flower by smelling the fragrance.
D.An animal pollinates a flower by collecting pollen from a flower and passing it onto another flower.
4. What kinds of animals are most flowers pollinated by?
A.Most flowers are pollinated by themselves.
B.Most flowers are pollinated by people.
C. Most flowers are pollinated by bees, moths and butterflies.
D.Most flowers are pollinated by wind.
Read the chart again , draw a mind map by yourself and then introduce it.
summary
________ time, many flowering plants and their animal pollinators _____________ (evolve)together. Pollen becomes attached _____ the animal during its visit to a flower and is then passed on to another plant's blossom on its next visit. So pollination takes place, ________ increasing the chances of the survival of the plant species.
Over
have evolved
to
therefore
Through evolution, _______(many) flowers have adapted to attract__________ (specify) types of pollinators.The type of pollinator depends on the______________
(character) of the flower such as its colour, shape, size and smell. For example, yellow flowers attract bees, _______red flowers attract butterflies.
most
specific
characteristics
while
The nectar in some flowers can only be reached by a bird _______ a long bill or a long-tongued moth or butterfly. The chart describes some features of flowers ______ attract certain kinds of pollinators.?
with
that
consolidation
Enjoy a piece of video.
flowers & pollinators.mp4
share some sentenes .
It's everyone's duty to love and protect the environment.
If everyone could make a big contribution to environmental protection, our home will become much more beautiful.
Homework
Look at the pictures on your learning paper and decide what kinds of pollinators these plants might have. Give reasons for your answers.
what are these bees and butterflies donig?
Question:
moth
fly
humming-bird
unit4 Exploring plants
using language
Flowers and Their Animal Pollinators
辉县市第二高级中学
杨路晓
Skim the passage quickly and answer the questions below.
1.What is the text about?
The text is about flowers and their animal pollinators.
2.What is the chart about?
The chart lists animal pollinators and the characteristics of the flowers they pollinate.
Fast reading
main idea:
The text is about _______ and their animal ___________. The chart lists _________________ and the ______________ of the flowers they pollinate.
flowers
pollinators
animal pollinators
characteristics
Read the text and answer the questions.
Careful reading
1. What is the advantage for animals of visiting flowers?
2. Why do some plants need animals?
3. How does an animal pollinate a flower?
4. What kinds of animals are most flowers pollinated by?
1. What is the advantage for animals of visiting flowers?
A. Animals get food called nectar from the flowers.
B.Animals like the colour of the flowers.
C.Animals can have a rest in the flowers.
Animals can provide food to plants
2. Why do some plants need animals?
A.Some plants need animals to pollinate them.
B.Some plants need animals to survive.
C.Some plants need animals to carry their seeds.
D.Some plants need animals to fertilize them.
3. How does an animal pollinate a flower?
A.An animal pollinates a flower by eating the flowers’ pollen.
B.An animal pollinates a flower by flying around them.
C.An animal pollinates a flower by smelling the fragrance.
D.An animal pollinates a flower by collecting pollen from a flower and passing it onto another flower.
4. What kinds of animals are most flowers pollinated by?
A.Most flowers are pollinated by themselves.
B.Most flowers are pollinated by people.
C. Most flowers are pollinated by bees, moths and butterflies.
D.Most flowers are pollinated by wind.
Read the chart again , draw a mind map by yourself and then introduce it.
summary
________ time, many flowering plants and their animal pollinators _____________ (evolve)together. Pollen becomes attached _____ the animal during its visit to a flower and is then passed on to another plant's blossom on its next visit. So pollination takes place, ________ increasing the chances of the survival of the plant species.
Over
have evolved
to
therefore
Through evolution, _______(many) flowers have adapted to attract__________ (specify) types of pollinators.The type of pollinator depends on the______________
(character) of the flower such as its colour, shape, size and smell. For example, yellow flowers attract bees, _______red flowers attract butterflies.
most
specific
characteristics
while
The nectar in some flowers can only be reached by a bird _______ a long bill or a long-tongued moth or butterfly. The chart describes some features of flowers ______ attract certain kinds of pollinators.?
with
that
consolidation
Enjoy a piece of video.
flowers & pollinators.mp4
share some sentenes .
It's everyone's duty to love and protect the environment.
If everyone could make a big contribution to environmental protection, our home will become much more beautiful.
Homework
Look at the pictures on your learning paper and decide what kinds of pollinators these plants might have. Give reasons for your answers.