September 2018 1 64 Report

Doświadczenie

Cel: Ukazanie skutków wzajemnych oddziaływań caił.

Konieczne przedmioty: dwa baloniki, dwie gumki recepturki.

Kolejne czynności:


1. Nadmuchaj oba baloniki do podobnych rozmiarów i zawiąż gumką recepturką ich wyloty.

2. Trzymając oba baloniki w dłoniach, dociśnij jeden do drugiego tak, aby powierzchnie, którymi się stykają, uległy odkształceniu. Porównaj odkształcenia baloników.

3. Weź teraz jeden z baloników i lekko dociśnij go do ściany. Obserwuj skutek wzajemnego oddziaływania balonika i ściany.

Wynik obserwacji:

Odpowiedz na pytanie: Czy wynik obserwacji w obu przypadkach jest zgodny z III zasadą dynamiki? Uzasadnij swą wypowiedź.

More Questions From This User See All
Zad.1Wstawczasownikiw nawiasach w czasie Past SimplelubPast Continuous + do każdego podpunkty prosze podac powód dla jakiego wstawiony jest tam dany czas(uzasadnienie).FLYING OBJECT CHASES MANSteve Burns 1) ........................ (ride) his bike in the park last Saturday afternoon when he 2) ............... (see) a shiny round object above the trees. At first, he 3) ................... (think) it was a balloon, but as he got closer, he 4) ..................... (see) it 5) .................. (move) up and down, then sideways. "As I 6) .................... (try) to get away, it 7) ................. (follow) me," he later told reporters. Another man also 8) ...................... (see) the object while he 9) ................ (walk) his dog.Zad.2Połącz zdania za pomocą when or while.1. He was studying. The phone rang.2. I was reading the newspaper. John was washing the car.3. We were jogging in the park. I lost my wallet.4. My brother was surfing the Net. I was talking on the phone.
Answer
Zad.1Wstawczasownikiw nawiasachwczasie Past SimplelubPast Continuous.Podaj uzasadnienia.1. His car ..................... (catch) fire while he ................... (drive) home.2. The bus they ................ (travel on left the road and .................... (fall)into the sea.3. She ................... (talk) on her mobile phone when the accident .................... (happen) .4. At 6 o'clock yesterday evening a Boeing 737 ..................... (fly) to Madrit when it ...................(start) to lose altitude.5. Some people ....................... (watch) while others ................(help) the injured.Zad.2Zapytajiodpowiedzi na pytania oto, co robiszw sobotęw godzinachponiższych:- 7:00 am- 12:30 pm- 2:30 pm- 5:00 pm- 9:00 pmA: What were you doing at 7 am on Saturday?B: I was ... . What were you doing at ... ?
Answer
Present perfect continuous and simpleZad.1For each situation, ask a question using the words in brackets.Przykład: You have a friend who is learning Arbic. You ask:(how long/learn/Arabic?) How long have you been learning Arabic?1. You have just arrived to meet friend. She is waiting for you. You ask:(how long/wait?) ................................................................ ?2. You see somebody fishing by the river. You ask:(how many fish/catch?) ........................................................ ?3. Some friends of yours are having a party next week. You ask:(how many people/invite?) .................................................... ?4. A friend of yours is a teacher. You ask:(how long/teach?) ............................................................... ?5. You meet somebody who is a writer. You ask:(how many books/write?) ...................................................... ?(how long/write/books?) ....................................................... ?6. A friend of yours is saving money to go on holiday. You ask:(how long/save?) ................................................................. ?(how much money/save?) ....................................................... ?Zad.2Put the verb into the more suitable form, present perfect simple(I have done etc.) or continuous (I have been doing etc.).Przykład: Where have you been? Have you been playing (you/play) tennis?1. Look! Somebody ..................... (break) that window.2. You look tired. ........................... (you/work) hard?3. '........................(you/ever/work) in a factory?' 'No, never.' 4. 'Jane is away on holiday.' 'Oh, is she? Where ................... (she/go)?5. My brother is an actor. He ......................... (appear) in serval films.6. 'Sorry I'm late.' 'That's all right. I ..................(not/wain long.'7. "Is it still raining?' 'No, it ...................(stop).'8. I .................. (lose) my address book. .................... (you/see) it anywhere?9. I ...................... (read) the book you lent me but I ................... (not/finish) it yet.10. I .............. (read) the book you lent me, so you can have it back now.
Answer
Wykonaj mnożenie i zredkuj wyrazy podobne.a) (x+1)(x²-x+1)b) (s-2)(s³-s²+s-1)c) (ab+1)(a+b+ab+1)*d) (m+nm+n²)(m²+nm+n)e) (3x-1)[(2x+2)-(x+3)]f) (x+3)(x-1)
Answer
Present Perfect and Past SimpleZad.1Are the underlined parts of these sentences right or wrong? Correct the ones that are wrong.1. I've lost my key. I can't find it anywhere. RIGHT2. Have you seen the news on television last night? WRONG: Did you see3. I've bought a new car. Do you want see it? .............................4. I've bought a new car last week. ............................5. Where have you been yesterday evening? ................................6. Jenny has left school in 1991. ..................................7. I'm looking for Mike. Have you seen him? ................................8. I'm very hungry. I haven't eaten anything today. ...............................9. Diane hasn't been published? .................................10. When has this book been published? ................................Zad.2Make sentences from the words in brackets. Use the present or past simple.1. (it/not/rain/this week) It hasn't rained this week.2. (the weather/be/cold/recently) The weather .................................. .3. (it/cold/last week) It .......................................................... .4. (I/not/read/a newspaper yesterday) I ......................................... .5. (I/not/read/a newspaper today) .............................................. .6. (Ann/earn/ a lot of money/this year) .......................................... .7. (she/not/earn/so much/last year) .............................................. .8.(you/have/a holiday recently?) .................................................. .Zad.3Put the verb into the correct form, present perfect or past simple.1. I don't know where Amy is. Have you seen (you/see) her?2. When I .................. (get) home last night, I ................... (be) very tired and I .......................(go) straight to bed.3. Your car looks very clean. ............................. (you/wash) it?4. George ....................... (not/be) very well last week.5. Mr Clark .................. (work) in a bank for 15 years. Then be gave it up.6. Molly lives in Dublin. She ................. (live) there all her life.7. '.....................(you/go) to the cinema last night?' 'Yes, but it ......................... (be) a mistake. The film .................... (be) awful.8. My grandfather ...................... (die) 30 years ago. I ...................... (never/meet) him.9. I don't know Carol's husband. I .................... (never/meet/him).10. A: Is your father at home? B: No,I'm afraid he ............... (go) out.A: When exactly ................. (he/go) out? B: About ten minutes ago.11. A: Where do youlive? B: In Boston.A: How long .............. (you/live) there? B: Five years.A: Where ............... (you/live) before that? B: In Chicago.A: And how long .................... (you/live) in Chicago? B: Two years.Zad.4Put the verb into the most suitable form, present perfect or past simple.1. A: Look! Somebody has split (spill) coffee on the carpet.B: Well, it wasn't (not/be) me. I didn't do (not/do) it.2. A: Ben ......................... (break) his leg.B: Really? How ...................... (that/happen) ? A: He ......................... (fall) off a ladder.3. A: Your hair looks nice. ....................... (you/have) a haircut?B: Yes.A: Who ...................(cut) it? ................ (you/go) to the hairdresser?B: No, a friend of mine .................(do) it for me.
Answer
Zad.1Circle the correct answer.1. She is ........... on time. She's never late.A. everB. alwaysC. sometimes2. He ........... his homework right now. Don't distract him.A. doesB. doingC. is doing3. Have you ............ been to Austria?A. neverB. everC. yet4. ........... camping with us this weekend?A. You comeB. Do you comeC. Are you coming5. Sandy ......... piano lessons every Friday.A. hasB. is havingC. have6. They ............. at school yesterday.A. didn'tB. weren'tC. wasn't7. They left an hour ............. .A. sinceB. agoC. yetZad.2Put the verbs in brackets in the present perfect or past simple.Dear James,Sorry I 1) haven't answered (npt/answer) your email sooner, but 2) ............. (have) ac accident and 3).............(have to) stay in hospital for a couple of days. Let me tell you all about it.You know how much I like swimming. Well, three weeks ago I 4) ............ (start) a special course to become a lifeguard. One day, I 5) ............ (be) at pool with my friend Tom, getting ready to jump into the water. Unfortunately, the surface around the edges 6) ............ (be) so wet that I 7) .............. (slip) and 8) ............... (fall) down. The lifeguard 9) ............. (help) me to stand up, but I 10) ............... (not/can) walk. He immediately 11) .....................(call) for an ambulance. In the meantime, he 12) .................... (put) an ice pack on my leg.My leg 13) .............. (be) in plaster for about two weeks. I'm feeling a little better now, but I still can't go swimming.So, that's all for now. Write back soon and tell me your news.Take care,Ben
Answer
Zad.1Circle the correct answer.1. She is ........... on time. She's never late.A. everB. alwaysC. sometimes2. He ........... his homework right now. Don't distract him.A. doesB. doingC. is doing3. Have you ............ been to Austria?A. neverB. everC. yet4. ........... camping with us this weekend?A. You comeB. Do you comeC. Are you coming5. Sandy ......... piano lessons every Friday.A. hasB. is havingC. have6. They ............. at school yesterday.A. didn'tB. weren'tC. wasn't7. They left an hour ............. .A. sinceB. agoC. yetZad.2Put the verbs in brackets in the present perfect or past simple.Dear James,Sorry I 1) haven't answered (npt/answer) your email sooner, but 2) ............. (have) ac accident and 3).............(have to) stay in hospital for a couple of days. Let me tell you all about it.You know how much I like swimming. Well, three weeks ago I 4) ............ (start) a special course to become a lifeguard. One day, I 5) ............ (be) at pool with my friend Tom, getting ready to jump into the water. Unfortunately, the surface around the edges 6) ............ (be) so wet that I 7) .............. (slip) and 8) ............... (fall) down. The lifeguard 9) ............. (help) me to stand up, but I 10) ............... (not/can) walk. He immediately 11) .....................(call) for an ambulance. In the meantime, he 12) .................... (put) an ice pack on my leg.My leg 13) .............. (be) in plaster for about two weeks. I'm feeling a little better now, but I still can't go swimming.So, that's all for now. Write back soon and tell me your news.Take care,Ben
Answer
Zad.1Complete the sentences with the present perfect continuous from of the verbs./1. Julie ........................ (live) in Rome since 2000.2. They are tired. They .................. (study) all day.3. Cedric ............. (work) here for 10 years.4. Mum ......................... (cook) for the party all morning.5. How long ............................ (he/play) football for Liverpool FC?Zad.2Circle the correct word.1. We've ever/ yet/ never been aboard.2. Brian has just/ since/ for bought tickets for the Arctic Show and Ice Theatre.3. Rose has lived in Barcelona since/ for/ already six months.4. I have yet/ ever/ already finished packing my suitcase.5. The children haven't been to a summer camp already/ since/ yet.6. Have you never/since/ever visited a theme park?
Answer
Zad.1Put the verbs in brackets into the present perfect.Dear Ben,Greetings from Rio de Janerio. This is the most wonderful city I 1)............... (ever/be) to and I'm having the time of my life! So far, we 2)................ (visit) Sugarloaf Mountain, we 3) ................ (walk) through the Botanical Gardens and we 4) ................ (swim) at Ipanema Beach. It's marvelllous. I 5) ..................... (try) lotsof local dishes. They are delicious. My favourite is feijoada. We 6) ................. (not/visit) any museums yet because my dad 7) ................. (be) busy working, but there's still plenty of time. Tomorrow, we're going on a helicopter tour over the city. I'm excited. 8) ................./ (you/ever/be) on a helicopter>See you in two weeks.Steve
Answer
Zad.1Match the phrases.Then fill in the blanks 1-8 with the correct phrase.1. haunted a. her slipper2. strange b. clothes3. struck c . table4. rusty d. house5. put on e. of metal6. old-fashioned f. chains7. clank g.a match8. marble h. noiseJane and Helen arrived at the beautiful, old house late in the afternoon. They unpacked their things and went out for a walk. It was dark when they came back. They were very tired, so they went straight to bed. The two sister were asleep when Helen heard a 1) ........................ . She woke up straight away. She 2) ................... and lit a candle that was on a 3) ...................... next to her bed. Jane was fast asleep, so Helen 4) ............. and slowly went downstairs to have look. As she walked, she heard the sound again - the cold, hard 5) .................... . When she reached the living room, she saw and old man dressed in 6) .............. with his hands in 7) ...................... . "Young lady", he said, "I'm the ghost of Hollybush Street. Leave as soon as possible! I don't want to get angry!" Helen was so shocked that she ran unstairs and pulled Jane out of bed. When Jane asked what happened, Helen said, "It's a 8) ............... ! We can't live here." The next morning the two girls left the house... And so did the ghost of Hollybush Street!Zad.2Join the sentences using: when, but, as, as soon as, then.1.Ted was tired. He went to the party.2. Lisa put on her coat. She went outside.3. John was about to pay the taxi driver. He realised his wallet wasn't in his bag.4. They decided to go home. It was late.5.Laura turned on the TV. The phone rang.
Answer

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