Chương I. Mở đầu về khoa học tự nhiên
Câu 1. Kính lúp đơn giản
A. gồm một tấm kính lồi (dày ở giữa, mỏng ở mép viền).
B. gồm một tấm kính lõm (mỏng ở giữa, dày ở mép viền).
C. gồm một tấm kính một mặt phẳng, một mặt lõm (mỏng ở giữa, dày ở mé
D. gồm một tấm kính hai mặt phẳng đều nhau.
Câu 2. Công việc nào dưới dây không phù hợp với việc sử dụng kính
A. Người già đọc sách.
B. Sửa chữa đồng hồ.
C. Khâu vá.
D. Quan sát một vật ở rất xa.
Câu 3. Hệ thống phóng đại của kính hiển vi quang học bao gồm.
A. thị kính và vật kính.
B. chân kính, thân kính, bàn kính, kẹp giữ mẫu.
C. ốc to (núm chỉnh thô), ốc nhỏ (núm chỉnh tinh).
D. Đèn chiếu, gương sáng, màn chắn sáng.
Câu 4. Quan sát vật nào dưới dây cần phải dùng kính hiển vi?
A. Tế bào biểu bì vảy hành.
B. Con kiến.
C. Con ong.
D. Tép bưởi.
 

Câu 1, Chất có ở đâu ? Mỗi chất có mấy loại tính chất ? Cho biết tính chất của đường
, rượu etylic ( cồn) mà em biết ?
Câu 2, Chất có thể tồn tại ở những thể nào ? kể tên những quá trình chuyển thể xảy ra
ở những nhiệt độ xác định mà em đã học ?
Câu 3 , Oxygen có tính chất vật lí nào ? Cho biết tầm quan trọng của oxygen trong tự
nhiên và đời sống con người ?
Câu 4 , Cho biết thành phần phần trăm thể tích các khí trong không khí ? Nêu vai trò
của không khí đối với sự sống ?
Câu 5 , Nêu các nguyên nhân gây ô nhiễm không khí ? ô nhiễm không khí có tác hại
gì đối với đời sống ? Em có thể làm gì đề góp phần làm giảm ô nhiễm không khí ?
 

Exercise 3. Read the following passage and mark the letter A, B, C or D to indicate the
correct answer to each of the questions.
Hi, I’m Herry. I’m in the sixth grade. Today is my first day at secondary school. In the
morning, I put on my new uniform and get my new bag. My best friend and I walk to school
together. We are both very nervous and excited. When we get school, we are shown into our
classroom with our new teacher. It is quite scary because I don’t know most of the children.
Then we start to study the first lesson. We have lots of different subjects and the lessons are
really fun. My favourite subjects are Art and English. I really like my new school, all my
13
teacher are lovely, the lessons are reallyinteresting and I enjoy my first day. I can’t wait to
go back tomorrow!
1. What grade is Herry in?
A. 6  B. 7  C. 8  D. 9
2. Who does he go to school with?
A. his mother B. his best friend C. his brother D. his father
3. How does they go to school?
A. motobike  B. bike  C. on foot  D. car4. Why does Herry feel scary?
A. Because he doesn’t like studying.
B. Because he is late.
C. Because he doesn’t know most of the children.
D. Because he didn’t do his homework.
5. What are his favourite subjects?
A. Art and History B. Art and English
C. Music and Art D. Art and Maths
 

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to
the underlined word(s) in each of the following question.
1. My friend Roxy is very intelligent. She learns things quickly.
A. friendly B. nice C. shy D. clever
2. The students at my school can study quietly in the library in the afternoon.
A. loudly B. silently C. noisily D. fastly
3. Lan always has a lot of new ideas. She is the best student in my class.
A. kind B. shy C. creative D. clever
4. Trang doesn’t talk much when she meets new friends.
A. lazy B. sociable C. talkative D. shy
Exercise 5: Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning
to the underlined word(s) in each of the following question.
1. I go to the same school as Lan.
A. different B. similar C. second D. first
2. My father is a helpful person. He is always willing to help others.
A. active B. helpless C. kind D. talkative
3. I like living in the countryside. It’s so quiet.
A. peaceful B. busy C. noisy D. crowded
4. Hoi An is a historic city with a lot of old houses, shops, buildings and theatres, etc.
 

Wickedly Wonderful is a small summer (1) ______ in the UK for children aged 6 to 13
years old. The children (2) ______ a week outdoors at the camp, making new friends and
joining in new (3)______ which have a lot of fun. (4) ______ the summer camp, they take
part in many beach (5)______. For example, they ride their bikes, ride horses and go
surfing. Children will enjoy holidays with Wickedly Wonderful, and these are holidays that
they will remember forever!
1. A. term  B.course  C.camp  D. holiday
2. A. take  B.spend  C.use  D. pass
3. A. action  B. active  C. actions  D. activities
4. A. At  B. In  C.On  D. During
5. A. action B. act C.activities D.active
 

Exercise 1. Read the following passage and mark the letter A, B, C or D to indicate the

correct word or phrase that best fits each numbered blank.

My school is in Ha Noi City. I don’t live far from the school, so I usually ride my (1)

_______ or sometimes (2)_______ to school. It is a big school with more than 2,000

students. There is a (3) _______ for all of students to enjoy outdoor activities. My friends

and I usually play soccer, basketball, or badminton there . We like going to school and

enjoy learning with our great (4) _______ They really love us and (5) _______ us good

things every day. I really love my school and teachers!

1. A. car B. motorbike C. bus D. bike

2. A. go B. come C. get D. walk

3. A. yard B. garden C. playground D. library

4. A. headmaster B. teachers C. teacher D. doctor

5. A. give B. get C. show D. teach

Exercise 1. Read the following passage and mark the letter A, B, C or D to indicate the

correct word or phrase that best fits each numbered blank.

My school is in Ha Noi City. I don’t live far from the school, so I usually ride my (1)

_______ or sometimes (2)_______ to school. It is a big school with more than 2,000

students. There is a (3) _______ for all of students to enjoy outdoor activities. My friends

and I usually play soccer, basketball, or badminton there . We like going to school and

enjoy learning with our great (4) _______ They really love us and (5) _______ us good

things every day. I really love my school and teachers!

1. A. car B. motorbike C. bus D. bike

2. A. go B. come C. get D. walk

3. A. yard B. garden C. playground D. library

4. A. headmaster B. teachers C. teacher D. doctor

5. A. give B. get C. show D. teach

Exercise 2: Mark the letter A, B, C or D to indicate the underlined part that needs
correction in each of the following questions.
1. Nam and Ba are play football at the moment.
A. and B. are C. play D. moment
2. Lan is takeing photos now.
A. is B. takeing C. photos D. now
11
3. I remember always to do my homework every day.
A. remember always B. do
C. homework D. every day
4. Does he sometimes sings in the shower?
A. Does B. sometimes C. sings D. shower
5. Ba usually get good marks in exams.
A. usually B. get C. marks D. exams
6. My school have a large playground.
A. school B. have C. a D. large
Exercise 3: Mark the letter A, B, C or D to indicate the most suitable response to complete
each of the following exchanges.
1. - Duy is wearing the new uniform.
Phong: “You’re wearing the new uniform Duy. You look smart!”
Duy: “_____________________”
A. Of course. B. Thanks, Phong.
C. Yes, I am. D. You look smart, too.
2.- Vy goes to Phong’s house early. Phong is having breakfast.
Vy: “Hi, Mrs Nguyen. Oh dear, I’m sorry. I’m excited about our first day at school.”
Mrs Nguyen (Phong’s Mum): “_____________________”
A. Nice to meet you. B. You should come later.
C. Please come in. D. You look smart.
3. Peter: Would you like to come for dinner tonight? - Nick: ______
A. Alright. B. I’d love to. Thanks.
C. Not at all. D. Are you sure?
4. Mi: What are you going to do this weekend? - Phong: ______
A. I don't like going out. B. We plan to visit my grandparents.
C. I'm very tired. D. It's a good idea