Give a science (Part VII) test paper.

1. I helped Xiao Gang complete the answer (1 point per grid, a total of 36 points).

Before he left, Xiaogang learned to calculate some data:

1.5t = kg = g = mg 1 km = m = cm = mm = micron.

First stop, the Observatory. Xiaogang came to the observatory and observed the sky with an astronomical telescope.

2.2006127 October, 165438+ Xiaogang observed hundreds of thousands of meters high flames rising on the surface of the sun through the visible light telescope of the "Sun -B" satellite, some like fountains and some like fireworks, which were called; There are some small black spots on the surface of the sun, called. It is said that this is the first time that humans have observed a high-precision picture of the surface activity of the sun.

The average distance between the earth and the sun is one astronomical unit.

4. On August 24th, 2006, the General Assembly of the International Astronomical Union passed a resolution to expel Pluto from the ranks of planets of the solar system. As a result, the number of planets in the solar system has been reduced to eight. In addition to the earth, there are,,,

、 、 、 、 。

In the evening, Xiao Gang observed another picture:

Figure 1 is the star map of the Big Dipper and Polaris observed by Xiaogang. Do you judge that the current season is a season? The Big Dipper is located in a constellation. Polaris always points in the right direction. It is located in the constellation.

6. A bright moon is high in the sky. Xiao Gang recorded the moon phase at that time in his observation diary (Figure 2). The name of this moon phase is.

7. Watch the moon on New Year's Eve (fill in "can" or "can't").

8. In Figure 3, the schematic diagram that can correctly reflect the positional relationship among the time, month and earth of the solar eclipse is the group. (C stands for the moon in the picture)

The second stop, Xiaogang, Science Island, started from the observatory and went to the Science Island Nature Reserve for investigation.

9. Suppose Xiaogang's departure time is 9: 00 a.m. on June 65438+1October 3, 2007 (East Zone 8 time) and the time of Science Island (West Zone 5) is June 65438+1October Sunday, 2007.

10. Science Island is located in the volcanic belt around the Pacific Ocean, and another volcanic belt of the earth is.

1 1. According to the contour topographic map of Science Island (Figure 4), the expedition was divided into two groups, starting from point A and point B and heading for the top of the mountain. Of the two routes, AO and BO are gentle slopes, and the relative height difference between point a and point b is m.

12. On the wet hillside, Xiaogang found a carpet-like plant and measured it with a ruler. The average height of these plants is about 1 ~ 3 cm. According to your judgment, these plants belong to the class of plants.

13. The island is lush with tall trees, low shrubs, lianas, epiphytes and parasitic plants. The whole forest is evergreen, with high temperature and rainy all the year round. There are various animals such as insects, birds, rats, snakes and microorganisms such as bacteria and fungi in the forest. This forest is a community. This community and its abiotic factors constitute an ecosystem, in which consumers are,,, and so on.

14. Write a food chain in this ecosystem (there are not less than three kinds of creatures in the food chain).

15. The largest ecosystem on earth is.

Second, I help Xiao Gang choose. Choose the correct answer in the following questions, and fill the symbol in front of the correct answer in the corresponding brackets (2 points for each question; A total of 30 points)

Xiaogang, the third stop of the Science Society, left the Science Island and went to the Science Society to participate in the scientific knowledge contest.

16. At present, the global climate is warming. In recent 150 years, the global average temperature has increased by 65438 0℃, which is a figure that cannot be ignored in meteorology. As for why the global climate is warming, some scientists speculate that it may be the greenhouse effect caused by a large amount of carbon dioxide emissions. This view put forward by scientists belongs to scientific inquiry ... ()

A. Ask questions B. Establish hypotheses C. Collect evidence and test hypotheses D. Explain.

17. The picture on the right is a schematic diagram when measuring the length of a pencil with a scale. When reading values, the following statement is true ()

A. When the eyes are reading in direction A, the measured value will be smaller than the actual value.

B. When the eyes are reading in direction B, the measured value will be greater than the actual value.

C. When the eyes read along the direction C, the measured value will be smaller than the actual value.

D. No matter which direction you look, the reading is the same.

18. The opening ceremony of the 5th Asian Games was held in Doha, Qatar at 12+0 local time 19: 00 in 2006 (i.e. 12 at 0: 00 Beijing time), so the time zone in Doha, Qatar is ().

A. East 2 B. West1c. East 3 D. East 12

19. "Chilechuan, under the shady mountain, the sky is like a dome, and the cage covers four fields." This folk song in the Southern and Northern Dynasties vividly sang the ancient people's intuitive understanding of heaven and earth is ()

A, the earth is a hemisphere b, the earth is a circle c, the earth is a sphere d and the earth is a square.

20. The approximate location of your hometown Cixi should be ()

A. located in the eastern hemisphere, southern hemisphere, middle latitude and north temperate zone B. located in the eastern hemisphere, northern hemisphere, high latitude and north temperate zone.

C. located in the western hemisphere, northern hemisphere, mid-latitude and northern cold zone D. located in the eastern hemisphere, northern hemisphere, mid-latitude and northern temperate zone.

2 1. If there is an earthquake at school, the emergency measure you should take is ().

A. jump out of the building quickly from the window. B. Hide beside tables, chairs or solid objects (below)

C. Stand still. D. Get on the table

22. In the following four biological taxonomic units, the most basic taxonomic unit is ().

Species of phylum A.b, class c and family d

23. In the world, even the same species, there are no exactly the same two individuals, which shows that ()

A. Differences of the same species B. Diversity of ecosystems C. Diversity of species D. Differences of natural environment

24. Add an appropriate amount of fresh yeast to the flour, mix it with clear water, fully knead it, divide it into four parts on average, and put it in different environments. Which environment do you think is the fastest for flour fermentation ()?

a . 0℃~ 5℃b . 10℃~ 15℃c . 25℃~ 30℃d . 70℃~ 80℃

25. In the description of the significance of establishing nature reserves, there are () that are incorrect.

A. Restoration and reconstruction of biodiversity B. Protection of ecological balance

C. protection of wildlife and plant data

26. The following statement is incorrect ().

A matter, energy and information are the most basic concepts in science. B. the change of seasons throughout the year is the result of the earth's rotation. Observation and experiment are important methods to explore nature. D. metabolism is the basic feature of living things.

27. Wei Gena's "continental drift theory" was not recognized before him, mainly because ().

A. at that time, there was already an expansion theory. Wei Gena was not famous at that time. C. "Plate Theory" was established at that time. There is no evidence to support it.

28. The morphological structure and flight life of birds are characterized by ().

A. There are many forms of feet. B. forelimbs become wings; Feather C. hollow bone; No teeth. D. Unstable body temperature

29. When using a tray, the following statement or practice is incorrect ().

A. When increasing or decreasing the weight, gently hold the heavy object by hand. B it is not allowed to put the chemical contract directly into the tray. C the mass of the measured object is not allowed to exceed the maximum weighing value of the balance. D the mass of the measured object is equal to the total mass of the weights in the right plate plus the mass value indicated by the wandering code.

In ancient times, people invented various tools by observing various natural phenomena. Beijing "China Millennium Monument" has a huge sundial, which was used by ancient people to measure ().

A. mass b volume c length d time

Three, the map is clearly drawn and clearly classified (13 points)

3 1. Xiaogang visited the Science Island (87 W, 5 N) from the Observatory (120 E, 30 N). Please use "?" The locations of the Observatory and Cocoa Island are shown in Figure 5. Marks and instructions (4 points)

The fourth stop theme park Xiaogang came to the theme park.

He stood at the gate of the park and carefully watched the plan of the park. He soon learned that the water park is in the center of the park, the zoo is 300m southwest of the water park, the skating rink is 200m east of the water park, and there is a tropical botanical garden at the north 100m of the water park. Please draw the plan of the theme park as required. (4 points)

Legend: 1 Water Park

2 Zoo

3 skating rink

4 Tropical Botanical Garden

Xiaogang first came to the zoo to observe various animals, including tigers, turtles, giant salamanders, ostriches and carp. Please fill them in the table below. (5 points)

Fish, amphibians, reptiles, birds and mammals.

Iv. express your opinions and have a discussion (total 3 1 minute)

The Sixth Station Science Lab We entered the science lab with Xiao Gang (located in the northern hemisphere).

33. In the courtyard of the laboratory, there is a straight rod OA standing vertically on the ground (Figure 6). (8 points)

(1) Recall your record of measuring rod shadow. What are the directions of the shadows of the poles in the morning and afternoon? When is the highest height of the sun in a day?

(2) There is a shadow of extreme OB at noon. Please mark the north direction with an arrow on the map.

(3) At noon from the summer solstice, the shadow of the pole disappears, so at which latitude is the pole OA?

(4) Please write down the name of the longest latitude on earth and its approximate length.

(5) How much time is the local time in Cixi earlier than that in Beijing?

34. Please fill in your health information file (9 points).

Measurement content: body temperature, height and weight.

Measuring tool

Gauge scale value

measuring result

35. What are the ways for you to get information in your study? (4 points)

36. Please look at a short passage on the experimental platform:

The discovery of ultraviolet rays

Do you know that the sun not only brings us warmth, but also brings us many magical things?

Danish scientist Finn keeps a cat at home. One day, Finson saw the cat lying quietly on the floor in the sun. Strangely, every day when the cat can't get sunshine, it will move itself to a sunny place. Finson thought, "Why is the cat still basking in the sun on such a hot day?" There must be something wrong with it. "

Finson came to the cat and gently stroked the cat's body with his hand. Suddenly, he found a festering wound on the cat. He thought: Is the cat using the sun to heal its wounds? What is there in the sunshine that we haven't found?

With this question, after many experiments and in-depth analysis and research on sunlight, Finson finally found an invisible light in sunlight-ultraviolet ray, which has bactericidal effect.

Please mark the following process of scientific inquiry with different lines in the article: (4 points)

Observe and ask questions: use lines.

Collect and process facts: use lines.

Establish a hypothesis: use a line (wavy line).

Experiment and investigation to collect evidence and form a conclusion: use line (double wave line).

37. Besides Wei Gena and Fensen, which famous scientists (not less than four) do you know? What are their outstanding contributions? (4 points)

38. Give an example of unreasonable utilization of biological resources in our city and briefly explain the reasons. (2 points)

V. Give full play to intelligence and explore design (10)

39. Xiaogang prepared mung bean seeds, absorbent cotton, clear water, large paper boxes and 250mL wide-mouth bottles (2 pieces). He wants to explore whether the germination of species needs light. Please help him design the experimental steps according to the above conditions. (5)

40. Xiaogang collected specimens along the way, including Clivia, Ginkgo biloba, willow and clove. Please make a simple key list for these plants. (5 points)