8. Sınıf İngilizce Ders Kitabı 9. Ünite Cevapları

Bu bölümde öğrenciler anlayamadıkları bölümleri daha iyi kavrayabilmek için kılavuz niteliğinde hazırlanmıştır. Konuyu daha iyi kavrayabilmek için buradan öğrendiklerinizle kendinizde çözmeye farklı örnekler yapmaya çalışınız. Öğrenci cevaplarını birebir kopyalamayınız. Buradaki 8. sınıf ingilizce science ders kitabı cevapları ve çözümleri sizin için derslerinize büyük katkı sağlayacak eksiklerinizi giderebileceksiniz.


Words Related to Science

# 1. Write the words under the correct photos: scientist, lab, test tubes, vaccination.


# 2. Complete the facts with the correct form of these words. Which fact is the most surprising?

1) The Chinese invented the first toothbrush in 1498
2) An American discovered the planet Pluto in 1930.
3) The Russians tested the first satellite in 1957
4) A man from Norway designed a special tool to slice cheese in 1925
5) A company in the USA researched how fast ketchup comes out of a bottle.

# 3. Complete the sentences with these words:

1) Mr Milligan is an engineer. He builds buildings and bridges.
2) We’re doing an experiment in science to see why ice floats.
3) Students studied windmills. Then they decided to make a model of one.
4) There was an explosion when the car hit the tree.
5) The scientist was working in the laboratory when he made the discovery.

# 4. Read the article and complete it with the necessary words from Activity 1, 2 and 3.

Jamie and Adam are engineers and they test popular science myths. They spend their time doing experiments and building models . They wanted to test James Bond’s exploding pen. Could a pen really make a big explosion like in the film? They filled a pen with a small amount of explosive and threw it into the air. Guess what? When it hit the ground, it made a big explosion. They also tried another experiment in the film Pirates of the Caribbean. If you cover one eye before you go into a dark place, can you see better? Jamie covered his eye, then tried to walk around the objects in a dark room. He discovered that this really worked well. They love their work and have a lot of fun. They are serious scientists, and they want to research robots next.

# 5. Complete the sentences with these words:

1) d
2) b
3) g
4) a
5) e
6) h



# 1. Look at the people in the photos. What do they have in common? Talk about your ideas.

Önerilen cevap, They all have health/physical problems.

# 2. Listen and read the text. Then tick (✓) the information the text mentions.


# 3. How are bionic scientists helping people who have physical problems? Read the text again and tick (✓) the correct column.


# 4. Match the words that go together.

1) c
2) d
3) a
4) e
5) b


# 5. Fill in the blanks according to the text.

1) Bionics studies living systems in order to solve engineering problems
2) Clumsy prosthetic limbs are replaced with electronically controlled ones
3) An amazing development is an artificial eye that helps blind people see
4) eScientists can replace the body parts by artificial ones including limbs and skin.

# 6. Read the new text. What is it? Tick (✓) the correct box.




# 1. What do you know about photosynthesis? Discuss with your friends in class..

Öğrencinin kendi cevabı.

# 2. Listen and complete the blanks.

The word “photo” means light
he word “synthesis” means putting together

# 3. Complete the blanks and the formula with the given words .

Photosynthesis is the way plants use sunlight to turn carbon dioxide and water into sugar and oxygen

Sunlight + carbon dioxide + water = sugar and oxygen

# 4. Listen again and mark the statements T (true) or F (false).

1) There are ten cells in a leaf.  – F
2) Chloroplasts make the plants green. – T
3) Plants die without water.  – T
4) Light is not necessary for photosynthesis.  – F
5) Sugar, a result of photosynthesis, is the food for plants.  – T

# 5. Now work in pairs and talk about photosynthesis in turns. When you don’t understand a word or a sentence, ask your friend to repeat. Use the sentences in the box to help you.

Öğrencinin kendi cevabı.


# 1. Match the sentences with the photos.

1) Researchers found some new fossils, and now they are working on them in the lab.  – E
2) He is operating a robot machine.  – D
3) They are exploring the space.   – C
4) They are implanting a bionic eye in a person born blind.  – F
5) She is vaccinating the baby to protect him from dangerous illnesses.  – A
6) They are doing an experiment in the chemistry class.  – B

# 2. Talk about the photos in pairs. Ask and answer questions in turn. If you can’t remember a word, try to use another word to make yourself clear.

Öğrencinin kendi cevabı.

# 3. Scan some of the life-changing scientific developments. Tick (✓) the most important and/or interesting one(s) according to you.

Öğrencinin kendi cevabı.

# 4. Work in pairs. What’s the most important scientific development in your opinion? Why? Discuss with your partner.

Öğrencinin kendi cevabı.

# 5. What are scientists working on these days? Search three of the interesting ones on the Net and present these scientific developments in class. Find some photos about them if you can.

Öğrencinin kendi cevabı.


# 1. Look at the photos and write simple sentences about what people are doing. Use the phrases in the box to help you.

1) Robots are playing football on the pitch.
2) The chemist is conducting experiments in the lab.
3) The doctor is examining the patient by using the computed tomograph
4) The scientist is doing research by using a microscope in the lab

# 2. Imagine you’re in a science class now. What are you doing? Write three more sentences.

We are doing experiments with test tubes in our chemistry class
We are testing photosynthesis in our science classes
We are modelling cell division in our science classes
We are studying elements in our science classes.

# 3. Read the text and correct the sentences.

1) Felix Hoffman invented aspirin
2) He gave the first aspirin to his father
3) A Spanish philosopher called the 20th century “The Age of Aspirin”
4) Astronauts took aspirin to the moon in 1969.

# 4. Dave wrote the description of a scientific development for homework. He chose washing machines. Read his description and complete the missing sentences. Choose from the options. Then listen and check.

1) c
2) b
3) a

# 5. Search the Net and write a short description of a scientific development. Use Dave’s description to help you.

Öğrencinin kendi cevabı.


# 1. Read the lyrics of the song and complete the blanks with the suitable words below. Then listen to the song and check your answers.

If you want to know,
How a plant grows,
It takes water, air and sunlight
And makes cellulose.
Every plant can do this.
Fundamental process ,
And we can call this photosynthesis.
Unlike me and you,
Plants need CO Two,
And they make oxygen .
That stops us turning blue.
Every plant can do this,
Fundamental process,
And we can call this photosynthesis.
It’s a miracle.
How all the chlorophyll 
Captures sunlight in the leaves
Of the plants and the trees .
A plant of any size,
Can do it if it tries.
But we’re not green ,
So, we cannot photosynthesize.


# 1. Match the sentences with the photos.

1) science
2) replacing
3) bionics
4) information
5) artificial
6) developments
7) impaired
8) body

# 2. Read the sentences about a scientist and choose the best answers.

1) The scientist was working in his laboratory 
2) He was designing a robot that could walk and talk
3) We thought his idea was very clever.
4) First, he made a model from cardboard.
5) Then he built a bigger one with metal and plastic.

# 3. Match the words with the meanings.

1) design – d
2) discover – b
3) test – a
4) invent – e
5) research – c