Тест на тему Натуральные числа

Вот тест по теме "Тепловое расширение и сжатие" для 8 класса. Тип вопросов — единственный правильный ответ. В конце — ключи ответов.

1. Что называется тепловым расширением тела? A) Увеличение длины или объема тела при нагревании B) Уменьшение массы тела при нагревании C) Изменение цвета поверхности при нагревании D) Разрушение структуры тела при нагревании Ответ: A

2. Как записывают закон линейного расширения для твёрдых тел? A) ΔL = α L0 ΔT B) ΔV = γ V0 ΔT C) ΔT = α ΔL / L0 D) L = L0 + ΔL0 T Ответ: A

3. Если L0 = 1.0 м, α = 1.2×10^-5 1/°C, ΔT = 40°C, на сколько увеличится длина стержня? A) 0.48 мм B) 4.8 мм C) 0.04 мм D) 4.8 cm Ответ: A

4. Какой показатель характеризует объемное расширение жидкости? A) линейный коэффициент α B) объемный коэффициент γ C) коэффициент теплоемкости D) плотность Ответ: B

5. Почему на железнодорожных путях оставляют зазоры между рельсом и шпалой? A) чтобы регуляторы могли наблюдать за состоянием путей B) чтобы рельсы могли свободно расширяться при нагреве и не деформировались C) чтобы увеличить вентиляцию D) чтобы уменьшить вес рельсов Ответ: B

6. Стальной стержень длиной 1.5 м, α = 1.2×10^-5 1/°C. На сколько вырастет его длина при нагревании на ΔT = 60°C? A) 1.08 мм B) 0.108 мм C) 10.8 мм D) 108 мм Ответ: A

7. Как зависит коэффициент линейного расширения α? A) от цвета материала B) от влажности воздуха C) от типа материала D) от наличия зазоров Ответ: C

Тест по английскому языку для 6 класса: Контрольная работа третья четверть

Часть 1: Лексика и грамматика

1. What's the opposite of "happy"? a) Sad
   b) Angry
   c) Excited
   d) Bored

2. Which word is a synonym for "small"? a) Tiny
   b) Huge
   c) Bright
   d) Fast

3. Choose the correct form of the verb: She _____ to school every day. a) Go
   b) Goes
   c) Going
   d) Gone

4. What is the plural of "child"? a) Childs
   b) Children
   c) Childes
   d) Childeren

5. Which sentence is correct? a) He don't like pizza.
   b) He doesn't likes pizza.
   c) He doesn't like pizza.
   d) He not like pizza.

6. What is the past tense of "run"? a) Runned
   b) Ran
   c) Runed
   d) Running

7. Choose the correct pronoun: _____ are going to the park. a) They
   b) Them
   c) Their
   d) Those

8. Which of the following is a conjunction? a) Quickly
   b) Because
   c) Beautiful
   d) Elephant

9. Select the correct article: I bought _____ apple. a) A
   b) An
   c) The
   d) None

10. What's the correct form for asking about someone's age? a) How many years are you?
    b) How old are you?
    c) How much years you have?
    d) What is your age?

Часть 2: Чтение и понимание

11. What does "library" mean? a) Place to play
    b) Place to read books
    c) Place to eat
    d) Place to watch movies

12. If it is raining, what should you take? a) An umbrella
    b) A swimsuit
    c) Sunglasses
    d) Sandals

13. In the sentence "The cat is on the roof", where is the cat? a) In the house
    b) On the roof
    c) Under the bed
    d) In the garden

14. Which word fits best: "She is the _____ student in the class." a) Smarter
    b) Smartest
    c) More smart
    d) Most smart

15. What does the word "journey" mean? a) A marriage
    b) A trip
    c) A meal
    d) A book

16. If someone says "I’m hungry", what might they want? a) To sleep
    b) To eat
    c) To run
    d) To study

17. What does "international" mean? a) Local
    b) National
    c) Between countries
    d) Specific to one country

18. What should you do if your friend is sad? a) Ignore them
    b) Laugh
    c) Talk to them
    d) Leave them alone

19. Which of these is a season? a) Monday
    b) Winter
    c) Morning
    d) Breakfast

20. What do you call the time when you relax from school? a) Homework
    b) Weekend
    c) Study time
    d) Morning

Часть 3: Культура и общение

21. In England, what is a traditional meal? a) Sushi
    b) Fish and chips
    c) Tacos
    d) Pizza

22. If someone greets you with "How are you?", what should you reply? a) I don’t know.
    b) I’m fine, thanks!
    c) I’m hungry.
    d) I like pizza.

23. Which holiday is celebrated on December 25th? a) New Year
    b) Halloween
    c) Christmas
    d) Thanksgiving

24. What is the capital of the United Kingdom? a) Paris
    b) London
    c) Berlin
    d) Rome

25. Which language is spoken in Spain? a) Italian
    b) French
    c) Spanish
    d) Portuguese

26. In a restaurant, what do you call the list of food and drinks? a) Menu
    b) Recipe
    c) Bill
    d) Order

27. How do you say "thank you" in French? a) Gracias
    b) Danke
    c) Merci
    d) Arigato

28. What do people commonly do on New Year’s Eve? a) Go to school
    b) Celebrate with fireworks
    c) Study
    d) Work

29. What is a common sport played with a round ball? a) Tennis
    b) Basketball
    c) Soccer
    d) Golf

30. If it’s your birthday, what might you receive? a) A book
    b) A present
    c) A letter
    d) A shoe

Часть 4: Письмо и техника

31. When writing a letter, how do you start? a) Dear...
    b) To whom it may concern
    c) Hi!
    d) Hello there

32. What is the correct way to end a letter? a) Yours truly,
    b) See you later,
    c) Hey,
    d) Best wishes,

33. If you want to send someone a message quickly, you might use: a) Snail mail
    b) Email
    c) Newspaper
    d) Book

34. What do you need to make a phone call? a) A pen
    b) A computer
    c) A phone
    d) A book

35. What do you call the device used to connect to the internet? a) Router
    b) Printer
    c) Camera
    d) Clock

36. How often should you check your work for mistakes? a) Sometimes
    b) Never
    c) Always
    d) Only at the end

37. What is the purpose of a password? a) To open a door
    b) To protect information
    c) To make a phone call
    d) To send a message

38. Which device is used to print documents? a) Monitor
    b) Keyboard
    c) Printer
    d) Mouse

39. If someone says they are "wasting time," what do they mean? a) They are being productive.
    b) They are doing something unimportant.
    c) They are sleeping.
    d) They are working hard.

40. What should you do if your computer is slow? a) Close some programs
    b) Turn it off
    c) Both a and b
    d) Ignore it

Задачи теста охватывают важные аспекты английского языка, включая лексику, грамматику, чтение, культуру и основы письма. Успехов в подготовке!