Bài 77: The World of Fossils

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Bài trướcBài 77 / 103Bài tiếp theo

Luyện đọc từng câu (79 câu)Bấm số để phát câu đó

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Luyện đọc từng câu (79 câu)Bấm số để phát câu đó

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Danh sách câu trong bài (79 câu):

#1Look how big its feet are!

#2Eric pointed.

#3How did they find all the bones?

#4Dana raised her hand.

#5All the kids in the class were looking at a dinosaur exhibit.

#6Do you want to know a secret?

#7Miss Bennett, the museum guide, said in a low voice.

#8Those are not real dinosaur bones!

#9But .

#10but .

#11but, Eric stuttered.

#12So dinosaurs never existed?

#13Carol asked timidly.

#14Of course they existed!

#15Miss Bennett laughed.

#16But those bones are not the original bones.

#17Follow me and I will explain.

#18The class followed her into another room.

#19First, who knows where those bones came from?

#20Miss Bennett asked.

#21From dead dinosaurs?

#22Eric answered.

#23They come from fossils!

#24Carol said.

#25You are both right.

#26The dinosaur's dead bones turned into fossils.

#27Miss Bennett switched on a projector.

#28She pointed at the dinosaur on the screen.

#29Look at this dinosaur.

#30Usually, when a dinosaur dies, it decays or another animal eats it.

#31But sometimes the dinosaur is buried before it gets destroyed.

#32Slowly the flesh and skin of the dinosaur rot away.

#33Only the bones are left.

#34Then more and more mud and sand cover the bones.

#35The mud and sand, which are called sediment, press down on the bones.

#36The sediment has water in it.

#37The water has minerals.

#38The minerals soak into the dinosaur bones.

#39Slowly the bone material is replaced by the minerals.

#40The bones become hard rock.

#41Now they are fossils.

#42This process takes a very long time.

#43It takes thousands and thousands of years for the sediment to form heavy layers.

#44These heavy layers turn into sedimentary rock around the fossils.

#45So most fossils are found in this rock.

#46When the slide show was over, Miss Bennett gave everyone a slab of clay.

#47Let's try a simple experiment, she said as she held up her hand.

#48Place your hand on the clay.

#49Pretend that your hand is a dead dinosaur covered with sand and mud.

#50Press down on your hand and imagine it is being covered by more layers of sand and mud.

#51Imagine the sediment keeps pressing for thousands, even millions of years!

#52Ouch!

#53My hand hurts, Miss Bennett!

#54Eric said.

#55Everyone laughed, and Miss Bennett continued her explanation.

#56It took many years for the dinosaur bones to become fossils.

#57Finally scientists dug the fossils out of the sedimentary rock.

#58They had to be very careful not to break the rock.

#59After they cleaned the rock, what did they find?

#60asked Miss Bennett.

#61A fossil!

#62everybody answered.

#63They all held up their slabs of clay.

#64On each one was a handprint.

#65Your handprint is not your actual hand, said Miss Bennett.

#66But we can still see that it was a hand.

#67In the same way, fossils are not the actual bones of a dinosaur.

#68Is that why you said that the dinosaur bones we saw are not real?

#69called out Eric.

#70Yes, you are right.

#71Miss Bennett nodded.

#72Remember, the original bones are replaced by rocklike minerals, Miss Bennett explained.

#73So a fossil is just a model of the original bone, like your handprint.

#74And the dinosaur bones in the exhibit are models of the fossils.

#75Thank you, Miss Bennett, the children said together.

#76We learned a lot today.

#77Come back anytime!

#78Miss Bennett waved.

#79There is still more to learn about the world of fossils.

Thông tin bài họcMục tiêu, kỹ năng và phụ đề mẫu

Thử thách tiếng Anh · 7–8 tuổi

Bài 77 “The World of Fossils” thuộc series Single Stories. Nội dung phụ đề cho thấy: Look how big its feet are! Eric pointed. How did they find all the bones? Dana raised her hand. All the kids in the class were looking at a dinosaur exhibit. Do you want to know a secret? Miss Bennett, the museum guide, said in a low voice. Those are not real dinosaur bones! But . but, Eric stuttered. So dinosaurs never existed? Carol asked timidly.. Bé có thể quan sát ngữ cảnh, nghe cách nhân vật nói và đọc lại những câu xuất hiện trong video. Đây là hoạt động phù hợp để luyện nghe hiểu, nhận diện từ vựng và bắt chước phát âm theo tốc độ của bài. Phụ huynh nên cho bé xem một lượt, sau đó bật phụ đề để dừng ở các câu quan trọng và luyện nói

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Từ vựng xuất hiện trong video

bones · bennett · dinosaur · miss · fossils · hand · said · not · rock · eric

Câu phụ đề mẫu

Look how big its feet are!
Eric pointed.
How did they find all the bones?
Dana raised her hand.
All the kids in the class were looking at a dinosaur exhibit.
Do you want to know a secret?
Miss Bennett, the museum guide, said in a low voice.
Those are not real dinosaur bones!

Câu hỏi hiểu nội dung

Bé hãy tự lặp lại 2 câu tiếng Anh mà mình yêu thích nhất trong bài “The World of Fossils”.

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Bài 77: The World of Fossils – Single Stories | HaoAI E-Learning