Тест на тему Равнодействующая сила. Сложение сил

Ниже тест по физике на тему капиллярности для 8 класса. В каждом вопросе один правильный ответ. В конце — ключ с правильными вариантами.

1. Что такое капиллярность?

• A) Способность жидкости поднимать тяжелые предметы
• B) Способность жидкости подниматься или опускаться по узким трубкам за счёт поверхностного натяжения
• C) Способность жидкости менять цвет под давлением
• D) Способность жидкости растворять воздух

2. В формуле капиллярного подъема h = 2 γ cos θ / (ρ g r) какие параметры прямо влияют на величину h?

• A) Только γ
• B) γ, θ и r
• C) Только ρ и g
• D) Только r

3. Что произойдет с высотой подъема, если угол смачивания θ больше 90° (не смачивает стенку трубки)?

• A) Высота подъема увеличится
• B) Высота будет отрицательной, то есть жидкость будет опускаться ниже уровня внешней жидкости
• C) Высота подъема не изменится
• D) Жидкость мгновенно испарится

4. Где капиллярность особенно заметна?

• A) Только в узких лабораторных трубках
• B) В узких трубках, бумаге, ткани и пористых средах
• C) Только в воде
• D) Только в вакууме

5. Какие параметры определяют способность жидкости смачивать стенку трубки (угол θ)?

• A) Только радиус r
• B) Свойства жидкости и материала стенки, поверхностное натяжение γ и химия поверхностей
• C) Только давление
• D) Цвет жидкости

Ответы:

1. B
2. B
3. B
4. B
5. B

Ниже тест по английскому языку на тему: Пассивный залог

• Класс: 9
• Тип вопросов: Единственный выбор
• Количество вопросов: 10
• Ответы приводятся после вопросов

1. Активное предложение: The chef prepares the meals. Выберите правильную форму пассива (Present Simple): A) The meals is prepared by the chef. B) The meals are prepared by the chef. C) The meals were prepared by the chef. D) The meals is being prepared by the chef.

2. Активное предложение: They built a new bridge last year. Выберите правильную форму пассива (Past Simple): A) A new bridge was built last year. B) A new bridge is built last year. C) A new bridge has been built last year. D) A new bridge had been built last year.

3. Активное предложение: They are cleaning the streets now. Выберите правильную форму пассива (Present Continuous): A) The streets are being cleaned now. B) The streets are cleaned now. C) The streets have been cleaned now. D) The streets are cleaning now.

4. Активное предложение: They have finished the project. Выберите правильную форму пассива (Present Perfect): A) The project has finished. B) The project has been finished. C) The project has been finishing. D) The project have been finished.

5. Активное предложение: They must complete the report. Выберите правильную форму пассива (Modal): A) The report must complete. B) The report must be completed. C) The report must be being completed. D) The report have to be completed.

6. Активное предложение: Someone stole my bag. Выберите правильную форму пассива (Past Simple): A) My bag was stolen. B) My bag is stolen. C) My bag has been stolen. D) My bag was being stolen.

7. Активное предложение: Who wrote this letter? Выберите правильную формулировку пассивного вопроса (Formal): A) Who were the tests graded by yesterday? (пример) B) By whom were the tests graded yesterday? C) By whom were this letter written yesterday? D) This letter was written by whom yesterday?

8. Активное предложение: They are going to repaint the house. Выберите правильную форма пассива (Future with going to): A) The house is going to be repainted. B) The house going to be repainted. C) The house will be repainting. D) The house was going to repaint.

9. Активное предложение: The students read many books every year. Выберите правильную форма пассива (Present Simple): A) Many books are read by the students every year. B) Many books read by the students every year. C) Many books have been read by the students every year. D) Many books were read by the students every year.

10. Активное предложение: The CEO announced the new policy. Выберите правильную форма пассива (Past Simple): A) The new policy was announced by the CEO. B) The new policy announced by the CEO. C) The new policy is announced by the CEO. D) The new policy has been announced by the CEO.

Ответы:

1. B
2. A
3. A
4. B
5. B
6. A
7. B
8. A
9. A
10. A

Вот тест по теме "Притяжательные местоимения" для 4-го класса:

Тест по английскому языку: Притяжательные местоимения

Вопрос 1:

Which word is a possessive pronoun?
a) he
b) his
c) him
Ответ: b) his

Вопрос 2:

Choose the correct possessive pronoun: This book is __.
a) mine
b) my
c) I
Ответ: a) mine

Вопрос 3:

Select the right option: That is __ car over there.
a) she
b) her
c) hers
Ответ: c) hers

Вопрос 4:

Fill in the blank with the correct possessive pronoun: Is this pencil __?
a) your
b) yours
c) you
Ответ: b) yours

Вопрос 5:

Which of the following is NOT a possessive pronoun?
a) theirs
b) our
c) us
Ответ: c) us

Вопрос 6:

Choose the correct answer: The cat is __.
a) its
b) it’s
c) it
Ответ: a) its

Вопрос 7:

Select the right possessive pronoun: This is __ house.
a) their
b) they
c) theirs
Ответ: c) theirs

Тест содержит 7 вопросов на тему притяжательных местоимений в английском языке, каждый из которых имеет 3 варианта ответа и правильный ответ. Успехов вашим ученикам на экзамене!

Тест по английскому языку для 8 класса
Тема: Scrambled Sentences - Present Perfect
Количество вопросов: 50

1. _______ (you, see) that new movie yet?
2. They _______ (never, visit) Paris before.
3. I _______ (just, finish) my homework.
4. She _______ (already, read) that book.
5. _______ (he, ever, try) sushi?
6. We _______ (be) to London three times.
7. My brother _______ (not, eat) lunch today.
8. They _______ (not, hear) the news yet.
9. I _______ (take) my dog for a walk.
10. _______ (she, talk) to the teacher?
11. Tom _______ (finish) his project already.
12. We _______ (not, meet) before.
13. _______ (you, buy) a new phone recently?
14. She _______ (learn) to play piano since she was five.
15. They _______ (just, move) to a new house.
16. I _______ (not, see) you for ages.
17. _______ (he, call) you back yet?
18. We _______ (go) to that restaurant many times.
19. She _______ (experience) a lot this year.
20. They _______ (not, visit) their grandparents lately.
21. I _______ (already, clean) my room.
22. _______ (they, play) in the championship before?
23. She _______ (not, finish) her assignment yet.
24. I _______ (read) three books this month.
25. _______ (you, try) that new café?
26. He _______ (meet) her parents already.
27. We _______ (not, see) such a beautiful view before.
28. I _______ (just, hear) the good news.
29. _______ (she, dance) since she was a child?
30. They _______ (go) to the beach every summer.
31. I _______ (not, buy) any new clothes lately.
32. _______ (you, ever, be) to Italy?
33. He _______ (study) English for three years.
34. We _______ (not, swim) in that lake before.
35. I _______ (already, visit) that museum.
36. _______ (they, take) part in the competition last year?
37. She _______ (just, start) her new job.
38. They _______ (never, see) snow before.
39. I _______ (make) my bed this morning.
40. _______ (you, finish) your project yet?
41. We _______ (explore) many cities.
42. He _______ (not, write) a letter in years.
43. _______ (she, join) any clubs this year?
44. I _______ (already, check) the results.
45. They _______ (not, go) to that concert last week.
46. We _______ (be) friends since childhood.
47. _______ (you, learn) anything new today?
48. She _______ (not, believe) in ghosts.
49. I _______ (just, see) a shooting star.
50. Have they _______ (ever, ride) a horse?

Удачи на тестировании!