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Anonymous users2024-02-07It's so difficult, the landlord has a high score reward.
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Anonymous users2024-02-06There are classical Chinese, cross talk and textbook dramas.
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Anonymous users2024-02-05Some words are not mistyped by you and cannot be translated!!
1。Adhesive tape. Determine the need to move a piece of tape from a horizontal surface. The impact of the parameters.
2。Air dry.
Table utensils (dishes, knives, etc.), after washing, dry differently. **The drying time depends on the relevant parameters.
3。Jumping flames.
Flame (place) between the gas lamps double parallel metal plates. Investigate the movement of the flames.
4。Break the noodles.
It was found that under these conditions dried macaroni fell on hard ground without rest.
5。Car. Build a model car engine powered by an elastic air-cooled toy-balloon as an energy source. Determining the distance the car travels depends on the relevant parameters and maximizing the efficiency of the car.
6。Convection. In a box filled with liquid, heat transfer will occur at the bottom of the container to heat and cool the surface. How does this phenomenon change when rotating the container on its vertical axis?
7。Cups and drums. A plastic cup is upside down and lightly knocked on the base. ** The sound is produced when the open end cup is above or below the surface of the water.
8。Domino amplifier.
After a column of dominoes, the first is a well-known phenomenon in the sequence of shifts. If the "dominoes" in a row gradually increase, how to transfer energy at a high degree and determine the domino effect of any limit on the size.
9。Escape from the powder.
When a hot wire falls into the water of the beaker with powder (e.g. lycopodium) floating on the surface of the water in a fast-moving, powder. The parameters of the change in speed, the movement of the powder, were studied.
10。Faraday Daga.
When a box filled with small celestial bodies (such as mustard seeds) is perpendicular and a room with a frequency of 1 - 10 Hz, so it is called Faraday plus occurs. This phenomenon.
11 points. Fingerprint.
Fill a glass with liquid and put it in your hands. If you cast your gaze from the glass inside the walls above, you will notice that the only visible wall is a very bright and clear image at your fingertips. Study and explain this phenomenon.
12。Floating spiders.
A toy consists of a magnetic spinning top and a plate containing magnets. "levitron"), the top magnetic plate can float on top. Under what circumstances can I observe the phenomenon?
13。Bulb.
What is the ratio between heat energy and light energy from a small light bulb to an apparent voltage bulb?
14。Sports cylinders.
Place a page of paper on a table and a horizontal cylindrical object (e.g. a pencil on paper. Put the paper. Observe and study the movement until it comes to rest the cylinder.
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