Vocabulary List

1. insect (n) /ˈɪn.sɛkt/ – a small animal with six legs and usually wings.
   Vietnamese: côn trùng
   Example: Bees and butterflies are types of insects.

2. metamorphosis (n) /ˌmɛtəˈmɔrfəsɪs/ – a process in which an animal changes form completely.
   Vietnamese: sự biến đổi hình dạng
   Example: A butterfly goes through a metamorphosis from a caterpillar to an adult.

3. form (n) /fɔrm/ – the shape or structure of something.
   Vietnamese: hình dạng
   Example: The caterpillar changes its form as it becomes a butterfly.

4. cocoon (n) /kəˈkun/ – a protective covering made by some insects before they become adults.
   Vietnamese: kén
   Example: The silkworm spins a cocoon before turning into a moth.

5. larva (n) /ˈlɑr.və/ – the young form of an insect before it becomes an adult.
   Vietnamese: ấu trùng
   Example: The larva eats a lot before growing into a pupa.

6. wormlike (adj) /ˈwɝːm.laɪk/ – looking like a worm.
   Vietnamese: giống con giun
   Example: The caterpillar has a wormlike body before it grows wings.

7. spin (a cocoon) (v) /spɪn/ – to produce a thread to make a cocoon.
   Vietnamese: nhả tơ làm kén
   Example: The silkworm spins a cocoon before becoming a moth.

8. wing (n) /wɪŋ/ – the part of an insect’s body used for flying.
   Vietnamese: cánh
   Example: A butterfly’s wings are colorful.

9. caterpillar (n) /ˈkæt̬.ɚ.pɪl.ɚ/ – the larva of a butterfly or moth.
   Vietnamese: sâu bướm
   Example: The caterpillar eats leaves before turning into a pupa.

10. shed (skin) (v) /ʃɛd/ – to lose old skin as part of growth.
    Vietnamese: lột xác
    Example: The caterpillar sheds its skin several times before becoming a chrysalis.

11. chrysalis (n) /ˈkrɪs.ə.lɪs/ – the stage when a caterpillar is inside a hard shell before turning into a butterfly.
    Vietnamese: nhộng
    Example: The caterpillar transforms inside the chrysalis.

12. hatch (v) /hætʃ/ – to come out of an egg.
    Vietnamese: nở (trứng)
    Example: A butterfly egg hatches into a tiny caterpillar.

13. pupa (n) /ˈpju.pə/ – the stage of an insect when it is transforming into an adult.
    Vietnamese: giai đoạn nhộng
    Example: The pupa stays still while it changes into a butterfly.

14. antennas (n) /ænˈtɛn.əz/ – thin, feeler-like body parts on an insect’s head.
    Vietnamese: râu (của côn trùng)
    Example: Butterflies use their antennas to sense their surroundings.

Vocabulary Review Tasks

1. Completion Task

Fill in the blanks using the words from the word bank.

Word Bank: insect, metamorphosis, form, cocoon, larva, wormlike, spin, wing, caterpillar, shed, chrysalis, hatch, pupa, antennas

1. A butterfly goes through a process called ________, where it changes completely.
2. The silkworm will ________ a cocoon before turning into a moth.
3. The young stage of a butterfly is called a ________, which looks like a small, ________ creature.
4. The caterpillar will ________ its old skin several times before it transforms.
5. Before becoming a butterfly, it stays inside the ________ stage.
6. The butterfly finally emerges from its ________ and spreads its colorful ________.
7. The baby insect will ________ from its egg when it's ready.
8. An ________ is a small animal with six legs, and most of them have wings.
9. The ________ stage of an insect is where it is enclosed and transforming.
10. Butterflies use their ________ to sense their environment.

2. Word Form Task

Complete the sentences with the correct form of the word in parentheses.

1. The process of ________ is what helps a butterfly change from one stage to another. (metamorph)
2. A butterfly has a beautiful ________ when it reaches adulthood. (formation)
3. The caterpillar will enter its ________ stage before becoming a butterfly. (pupa)
4. The silkworm usually ________ a strong cocoon. (spin)
5. The butterfly's ________ are sensitive and help it detect smells. (antenna)
6. A caterpillar will have been ________ several times before it reaches the pupa stage. (shed)

3. Synonym Matching

Match the words in Column A with their closest meaning in Column B.

4. Gap-Filling 

Fill in the blanks using the words from the word bank. Use each word only once.

Word Bank: metamorphosis, caterpillar, chrysalis, larva, pupa, hatch, shed, spin, cocoon, antennas

Butterflies go through a process called (1) ________, where they completely change their appearance. The first stage begins when butterfly eggs (2) ________ into tiny (3) ________, which are also known as (4) ________. These creatures eat a lot and grow quickly. As they grow, they (5) ________ their skin multiple times.

After a while, the caterpillar starts to (6) ________ a protective (7) ________, or it may form a hard (8) ________. Inside, it enters the (9) ________ stage, where it slowly transforms. Eventually, a fully grown butterfly emerges, using its (10) ________ to sense the world around it.

5. Multiple-Choice Task

Choose the correct answer for each question.

1. What is the process called where a butterfly changes from a caterpillar to an adult?
   a) Hibernation
   b) Respiration
   c) Digestion
   d) Metamorphosis

2. What do we call the stage when a butterfly is wrapped inside a hard shell?
   a) Caterpillar
   b) Pupa
   c) Larva
   d) Insect

3. What does a caterpillar do before entering the pupa stage?
   a) Spins a cocoon
   b) Lays eggs
   c) Flies away
   d) Drinks nectar

4. What are the long, thin body parts on an insect’s head that help it sense things?
   a) Wings
   b) Legs
   c) Antennas
   d) Eyes

5. What happens after an egg hatches into a larva?
   a) It immediately grows wings
   b) It starts the process of metamorphosis
   c) It remains an egg forever
   d) It turns into a rock

Answer Keys

1. Completion Task – Answer Key

1. metamorphosis
2. spin
3. caterpillar, wormlike
4. shed
5. chrysalis
6. cocoon, wing
7. hatch
8. insect
9. pupa
10. antennas

2. Word Form Task – Answer Key

1. metamorphosis
2. form
3. pupa
4. spins
5. antennas
6. shedding

3. Synonym Matching – Answer Key

4. Gap-Filling (Paragraph Format) – Answer Key

1. metamorphosis
2. hatch
3. caterpillar
4. larva
5. shed
6. spin
7. cocoon
8. chrysalis
9. pupa
10. antennas

5. Multiple-Choice Task – Answer Key

1. d) Metamorphosis
2. b) Pupa
3. a) Spins a cocoon
4. c) Antennas
5. b) It starts the process of metamorphosis