Patents and iventions of nature I.

1. Patents and iventions of nature I.

2. We can meet the physical patterns not only in work of many apparatus, machines and technical devices but also in phenomenon of wild nature.A lot of things created by nature are admired by confessors of technique. A lot of things became an inspiration for a number of technical inventions. We offer you in the form of a presentation a how of the first part of our physiclal research in the world of alive nature which we make in realisation of ESF project in our school for SPP. Gradually we will present more shows by this form. In the end of the project we are going to prepare a compact material.

3. Why the leaves of aspen-tree shiake all the time? Leaves of aspen-tree have got long abeam flat peduncles (an arm), so they are in the unstable position

4. Why is one of planes in NTM in Prague called Zanonie? • Zanonie macrocarta is a kind of pumkin from New Guinea • Its seeds have got light arched carrying cots • They´re a perfect representative of gliding flight

5. Why the high reed doesn´t break in the wind? • Basket of reed is loosy on the stalk • Leaves turn in the direction of the wind and so they have the smallest resistance

6. Why frogs have got long heels? • Jumping-off legs must supply the whole energy for motion • They have got stronger muscles • They act as crows

7. Why whale which has got lungs doesn´t survive without water ? • The weight of whale is 90 – 100 t • In the water the weight is balanced by lifting force • On land the big force of gravity presses the vessels and problems with respiration appear

8. What skeleton has the earth worm got ? • Earth worm has got a hydrostatic skeleton • It is as a bag of water (outer lays of body surround a cavity full of of liquid) • Water is incompressible (when outer lays of organism press on water, water presses back and reclines the body of the animal) • This skeleton helps in motion, it is flexible but it doesn´t provide prevention

9. What is cucujo interesting in? • It is American linkboy • Beatle 3 – 4 cm • It has got 2 yellow shining pimples on the sides of the nuchal clypeus • The spare protein is changed by ferment into shining mass= luciferin, the second ferment enables rich oxydation during which energy-light is emited

10. Does the reactive drive exist in botanical land? • Plant splashing marrowíkavá (splitting) • Being touched the contain with the seeds splashes and the cucuber-like seed moves the opposite direction

12. What stalk have the water plants got? • Flexible stalk • It is kept in the vertical position byuplift power • In huge waves a hard stalk can be broken by se tvrdé stéblo mohlo zlomit

13. What is the fly diopsida interesting in? • It has got the eyes placed on the ends of long cirris • This way its vission angle gets • It can mention the danger in from the back and the front

14. Why the second name of the plant lettuce is compass? • The leaves are placed in one direction north-south • The plant reacts on the movement of the sun • In this position it prevents the overheating of leaves in the noon • The smallest ammount of water evaporates during the whole day

15. Why do the ducks twinkle while walking? • Their legs are more for paddling and so they grow far from each other • When the duck rises the leg it starts to fall to this side • By twinkling it keeps the ballance (the vertical axic crosses just the flat of the leg which touches the ground)

16. Which animal has got a periscope? • Fish periophtalmus • It digs itself into swampy bottom and it pushes its eyes up on foot-stalks to observe the surroundings.

17. Where can we find an arm on sage? • In the floret of sage • Stamens are the shorter beam of the arm and pollen is on the end of it • The shorter beam protects the enter into the floret • If a bumblebee enters a floret it presses the shorter beam • The long beam touches its back and leaves some pollen on it