Oh, Lucky Boy (8th grade)

Rules of the game:

At the beginning of the marathon, all students participate. Those of the guys who can not answer 3 questions, in the future drop out of the game. Children who will no longer be able to participate in this marathon are offered tasks for ingenuity.
So, take pens and you will mark your answers on the sheets. We will check the correctness before reading the next question.Whoever tries and answers all the questions will be the winner.Maybe the winner will be the whole class.Good luck, guys.

Tasks for savvy:

1. 1. The woman went to Moscow and met three men. Each of them carried a bag, in each bag a cat. How many creatures were sent to Moscow?(1)
   2. A flock of geese flew: one ahead and two behind, one behind and two in front; one between two and three in a row. How many geese were there?(3)
   3. The trader, sitting in the market, thought: “If you add half of them to my apples and a dozen more, I would have a hundred.” How many apples did she have?(60)
   4. Two praying mantises went to the Trinity – the Sergius Lavra. They both went 60 versts. How many mileages did each travel at the same speed?(60)
   5. How many ends do four sticks have? Five sticks? Five and a half sticks?(can't be)
   6. Watermelon costs 10 kopecks and half a melon. How much does a watermelon cost?(20 kopecks)
   7. 6 fishermen ate 6 pikes in 6 days. How many days will 10 fishermen eat 10 pikes?(6 days)
   8. Half is a third of the number. What number is that?(1.5)
   9. There are 35 students in the class. There are three more boys than girls. How many boys and how many girls?(19 Mal. and 16 virgins)
   10. What number is divided by all numbers without a remainder?(0)
   11. Two kolkhoz women went to the city and met 5 kolkhoz women. How many women went into the city?(2)
   12. 5 candles were burning. Two of them went out. How many candles are left?(2)
   13. Which is heavier: a ton of fluff or a ton of iron?(samely)
   14. There were 10 birds sitting on the tree. The hunter shot and shot one bird. How many birds are left in the tree?(none of them)
   15. One stool weighs 3kg and two such stools?(6kg)
   16. Two in a square is 4, three in a square is 9, what is the angle in a square?900.
   17. The rooster, standing on one leg, weighs 3 kg. How much does he weigh standing on two legs? (3kg)
   18. A pear is heavier than an apple and an apple is heavier than a peach. Which is heavier, pear or peach?(pear)
   19. I grew up alone in a family.

And that's true, to the end.
But the son of the one in the portrait is my father's son.
Who's in the portrait?(my father)

1. One man bought three goats and paid 3 rubles. The question is, where did each goat go?(Grass)
2. Two went, found 3 nails. Four of them will go, how many nails will they find?(probably won't find anything)
3. What can it be: two heads, two arms and six legs, and walking only four?(horse rider)

Questions:
1 round – simple (in physics)

1. 2 minutes is 100c or 120c (120)
2. An ampere is a unit of current or voltage. (current)
3. In physics, is body weight measured in grams or kilograms? (kg)
4. Is it true that snow warms the earth? (Yes)
5. In Joules, do they measure the work or the current power?
6. When does the Earth move faster around the sun: at noon or at midnight?
7. Is a speedometer a device for measuring speed or travel?
8. If you slip, will you fall forward or backward? (back)
9. Is Archimedes the name of a scientist or the unit of measurement of force?
10. Can water be a solid body?

2nd round - medium difficulty

1. Can a medical thermometer measure the temperature of boiling water?
2. Where is the gravity greater: in Moscow or St. Petersburg? (S-P)
3. Does any object thrown upwards have to fall to the ground? (no, it all depends on the initial speed, if the speed = 8 km / s - artificial satellite)
4. If the ice is wrapped in fur, will it melt faster or slower?
5. Is an ion a particle with a charge or uncharged?
6. Do Newtons measure force or pressure?
7. Is a dynamometer a measure of body strength or weight?
8. The water was heated to 1,000. Is it in liquid or in vapor? (and both)
9. Which is more difficult: to move the sledge from the place or to carry them?

Round 3 - difficult

1. Which body weighs more: 1 liter of water or 1 kg of ice?
2. What is the temperature above 200 IL 280 Kelvin? (200)
3. In kilowatt hours, do you measure power or current work?
4. Is Plasma a Matter or a Field?
5. Does the electron in an atom have a positive or negative charge?
6. Where does sound travel faster: in the air or in the water?
7. A raindrop falls on the ground: what is its shape: round or in the form of a drop?
8. Which cups crack more often from hot water: thick-walled or thin-walled?
9. What color is the red flag in blue lighting (brown, black)
10. To quickly cool the water in the pan, should it be placed on the snow or put on top of the lid?

1 round – simple (mathematics)
We're starting the first round.
We'll know the winners.
It's riddles and charades.
Rewards for solving.

1. What numbers are used in the calculation: whole ornatural?
2. 5³equal to (125)
3. Two plus two and everything squared? (16)
4. How many peas can enter an empty glass?
5. What is the name of a hundredth of a number?
6. Two cyclists left the two villages to meet each other: the first at a speed of 20 km / h, the second - 15 km / h. What is the distance between them 2 hours before the meeting? (70 km)
7. Each of the six brothers has a sister. How many children are there in this family? (7)
8. From the words read, find the extra, and replace the rest with a common name: addition, subtraction, multiplication, fragmentation, division.
9. There were 4 rabbits in the cage. Four boys bought one rabbit and one rabbit was left in the cage. How could it have happened? (one rabbit bought with a cage)
10. Marina had a whole apple, two halves and four quarters. How many apples did Marinka have? (4)

Round 2 - harder
Tour Two: Let everyone know
Who's better at calculating?
I need to read the puzzles.
You think and count!

1. There's three poods of flour in the bag. How much should you pay for flour if one kilogram of flour costs 7 p? (1 pood = 16 kg) (336)
2. What is the name of the science of measuring the earth?
3. Which is greater: the product of all numbers or their sum?
4. A single number was assigned the same number. How many times did the number increase? (11)
5. 60 pages of the book are 1 cm thick. What is the thickness of a book if it has 240 pages? (2cm)
6. This word has a Latin origin, meaning “linen, linen thread, cord, rope”. Call this word in the sense in which we use it now.
7. The fox bought 100 kg of honey from bees for 1000 rubles., The market began to sell it for 12 rubles for 1 kg. How much income will the fox get when it sells all the honey? (200kg)
8. Take the first of the notes, and add the word move to it. You get what anyone who starts a business dreams of. (income)
9. This name comes from the two Latin words “twice” and “secu”, literally “slicing into two parts”. What's this about?

Round 3 - difficult
We're starting round three.
We invite the strongest.
There will be challenges.
We wish them luck!

1. 1. What is the name of the device that performed all four arithmetic actions, which was created in 1673 by the German physicist and mathematician Leibniz?
   2. I'm less than 10,
   3. I'm easy for you to find,

But if you order the letter "Y2"
Stand next to me.
Father and grandfather, and you and mother.

1. 1. A wolf went fishing, met a fox and asked:

- Kuma, where have you been?
- I caught Okunkov in the river.
- Did you take much?
- I didn't get to twenty-two.
- I got two dozen and two more.
How many perchs did the wolf and fox catch? (40)

1. Name an ancient geometric instrument, which, according to the Roman poet Ovid, was invented in ancient Greece.