(1) Environmental protection
Speeding up the Prevention and Control of "White Pollution" —— Investigation and Suggestions on the Recovery of Waste Batteries in a Region
Relationship between drinking water pollution and natural human factors and its control countermeasures Development and popularization of environmental protection chopsticks
Negative Effects of Sulfur Dioxide in the Air on Soil and Countermeasures for Green Island Protection
Recycling of waste batteries (in a certain area) Present situation and countermeasures of air pollution
Discussion on the Pollution of Water Resources and Its Control; Treatment and Reuse of Automobile Exhaust.
How to reduce the cost of automobile exhaust purification? Assumption and investigation on resource utilization of urban garbage
Plastic and its recycling to eliminate urban cancer —— Study on urban garbage treatment
Air pollution and human health, automobile safety and environmental protection
Combination of Acid Rain with Human Health, Environmental Protection and Industry
Light pollution and light energy-saving cars and environment
Brief history and development of coal-fired desulfurization for pollution-free vehicles
Study on seawater desalination development of degradable plastics
Changsha snack
Report on eutrophication of chewing gum water
Prevention and control of land desertification biological treatment of eutrophic water quality urban water supply, clean water and water reuse to create green electricity.
Study on characteristics of fly ash and green treatment of comprehensive utilization of municipal solid waste
Application of pollution-free energy in Family Green Consumption
Thoughts on the use of pesticide freon
Nuclear fusion, nuclear fission and environmental pollution El Nino and La Nina
Protection of Tibetan antelope polluted by dioxins in Hoh Xil
A major nuclear accident in Japan and South Korea destroyed the ozone layer.
Taihu Lake Zero Action Ecological Protection of the Upper Reaches of the Yangtze River, Western Development and Environmental Protection of the Yellow River Cut-off
Zero action of Huaihe River pollution control green civilization
Comprehensive treatment of electromagnetic radiation pollution in Suzhou River
Discussion on why it is difficult to popularize environmentally friendly and healthy phosphorus-free washing powder
Can kitchen domestic garbage be reused? Industrial wastewater pollution
Influence of pesticide pollution investigation on stone dust pollution
Relationship between factory density and living environment Influence of air pollution on crops
Indoor pollution, food pollution
Study on factors affecting air pollution index and its countermeasures: response of common plants to environmental changes and its countermeasures.
Study on the Impact of Detergents and Factory Wastes on Ecological Environment; Effect of Phosphorus Pollution on Water Quality
The Influence of Living Environment on Houses and People & An Analysis of the Causes of Sandstorm in Northern China
Advantages and disadvantages of handkerchiefs and napkins in coastal ecological environment investigation
(2) Chemical problems in life
Development and utilization of new building materials for agricultural bio-fertilizer
The source of life-nutritious family packaging The stove with hydrogen (natural gas) as fuel correctly extracts heat and diet.
Study on cosmetic ingredients; Instant noodles are edible and repackaged internally.
Application and improvement of decorative materials for oil fume revolution
Study on metal rust prevention of non-toxic cigarettes with low free radicals
Investigation on chemistry and rural economy of non-edible pigments in beverages
Is pure water "pure" to develop environmental protection and earthquake-proof materials
Exploring the Kingdom of Vitamins —— On Healthy Diet in Today's Society
Harm of correction fluid to human body development and prospect of washing products
Development of new wall materials and feasibility study of bamboo products replacing wood products
Study on nutrition and health of middle school students in special environment life jacket
Analysis of peroxide value of salt and human healthy edible oil
Study on breakfast diet of senior two students: study on daily preservation of iodized salt.
Effects of Dynamic Balanced Fertilizer on Soil in Different Regions
Chemical research on rural domestic water
Side effects of chemical cosmetics in the kitchen
Technology and Life —— About Nanotechnology, Dairy Industry and Our Daily Life
Study on the method of healthy drinking water
(3) Utilization of resources
Utilization and protection of marine resources, development prospect and utilization of solar energy
Future energy technology for creating green electric energy
How far is green energy from us in the development and utilization of oil?
Study on the nutritional supply of food to the brain Study on the influence of common meat dishes on the intellectual development of the brain
Investigation on unclean food near middle schools on renewable energy
Positive influence of solar energy on the investigation and research of tidal resources in the future
(4) Exploration and research of chemical experiment (improvement)
Study on nitrite accumulation in different soils: eye waterproof experiment
Experiment and discussion on cooling performance of ammonium salt; preparation of activated carbon from waste.
Study on rubber color of reclaimed rubber wastewater by recovering useful substances from old batteries
Preparation of ethyl acetate and experimental exploration of maximizing dry cell and environmental pollution control
Study on Critical Concentration of Combustible and Noncombustible Alcohol Study on Pollution-free Chlorine Device
Preparation of vegetable pigment instead of acid-base indicator and determination of its discoloration range
Feasibility of extracting spices from plants and demonstration of protein properties
Understand cancer
Thinking ability and innovation ability
Dustproof blackboard eraser
Final report on endangered animals.
Viewing social changes from traffic changes
Middle school students' reading survey report
Research report on the present situation of Solidago canadensis …
Research report on urban sewage treatment
Research report on the harm and prevention of water hyacinth …
Commemorating Tangshan Earthquake-Cherish Life
Research on new windows
New desk
Small production conclusion
turn waste into treasure
Solution to detention problem
Study and control the pollution of campus rivers
Make your own breakfast
Study on the harm of mold in greenhouse and plastic
Study on environmental protection bag
Research and Practice of Freshwater Fishing
Study on the harm of mold in greenhouse and plastic
Understand AIDS
Design of environmental protection bag
Views on the problem of "dairy products"
Zhejiang cuisine
Make simple small bookshelves
To understand the myopia of middle school students.
unimax charger
small-scale production
After entering the key class, it has a great influence on all aspects of high school students …
1 Physical Application of Urban Planning 4 1 Sports Station
Investigation on the physical fitness and nutritional status of 42 students in natural disasters
3 soil erosion 43 instant noodles and human health
4 environmental pollution 44 self-made alarm, etc.
5 Campus Greening and Management 45 Voice-activated photosensitive delay switch and remote controller
I am in charge of my campus. The application of mechanics in life
7. Research on West-to-East Gas Transmission, West-to-East Power Transmission and South-to-North Water Transfer. 47 information technology
Observation and Analysis of Language Variation in Speaking English and Speakers on August 48
9 the development and utilization of natural resources such as solar energy 49 Changyang folk customs
10 Family Decoration and Indoor Pollution 50 Appreciation of Literary Works
1 1 food additive 5 1 student reading survey and research
Research and development of 12 detergent composition: comment on 52 TV dramas
13 civil fuel-liquefied gas 53 appreciation of Mao Zedong's poems
14 current situation and development direction of rural garbage disposal 54 collection and arrangement of folk allegorical sayings
15 harm, utilization and recycling of waste batteries 55 artistic analysis of advertising language
16 kitchen chemistry, chemistry interesting experiment 56 Xue Baochai's personality research
17 study on the characteristics of pesticides 57 cheongsam development history
Study on Consumer Rights Protection of 18 Phosphorous Washing Powder 58
19 study on common disinfectants 59 rural tax and fee reform
Investigation and Countermeasures of Air Pollution 60 Study on Rural Surplus Labor Force
2 1 Fertilizer 1 Study on Students' Weight Loss Experience
22 weapons knowledge 62 students' consumption and living habits
23 Taiwan Province Province, the origin and current situation of the study of 63 rural industrial structure
24 the background of the Palestinian issue 64 Investigation on students' understanding of traditional virtues
How much do parents know about suffering? The influence of family education on students' growth
26 Cultural Celebrities in Their Hometown 66 The Influence of Internet on Students' Growth
27 water resources utilization and pollution 67 advantages and disadvantages of middle school students surfing the internet
28 White Pollution 68 Rural Cultural Facilities Investigation
29 the exploration of trace elements on human health 69 the change of farmers' consumption concept
30 rural medical and health status and countermeasures 70 contemporary college students' idolatry
3 1 the influence of noise on residents and its countermeasures: 7 1 psychological exploration of middle school students' learning disabilities
32 "Three Lines" Construction and Other Related Research 72 Investigation on Students' Interpersonal Relations in Our School
Investigation on Students' Learning Behavior Habits 73 Analysis of Adolescents' Jealousy Psychological Problems
Mathematics in Life 74 Personality Psychology and Interpersonal Relations
Application of Series 35 in Life: A Survey of 75 Left-behind Children
Research on Installment Payment; Investigation and Research on 76 Minor Violation of Discipline
Analysis and comparison of the benefits of savings and insurance 77 Investigation on the operating benefits of supermarkets and traditional storefronts
38 Students' Physical Condition 78 Investigation and Research on Violence in Family Education
39 the influence of music on people's emotional fluctuations 79 holiday economic phenomena and research
Development and utilization of 80 Changyang tourism resources such as 40 football history
1. Christine? How did Scobie discover ozone, what role did it play in the atmosphere, and what effect did Freon have on it? 2. The ozone hole is related to these chemicals. What is its destruction mechanism? Investigate the types of refrigerants at present. 3. The contribution of chemistry to deciphering the "human genome". 4. Review the development process of adhesives. 5. John? How did Dindar apply his research on light scattering in solution to explain why the sky is blue? 6. Understand the development and application of nanotechnology in China. 7. Design an energy-saving and environment-friendly Olympic torch with China characteristics for Beijing 2008 Olympic Games. 8. What is the main source of water pollution? 9. How to purify domestic tap water? 10. What is tertiary wastewater and what is the importance of its treatment? 1 1. What are the regulations on water pollution in your area? 12. Understand the development and utilization of marine resources in China. 13. Name the main chemical components of seawater and design a method for extracting simple materials or compounds. 14. Draw a picture to show how the groundwater is polluted. What is the purity of groundwater in your area? What measures have been taken to keep the water clean? 15. What kind of water do you think is delicious (such as pure water, tap water, mineral water, pure water, natural water, etc.)? )? 16. China is one of the countries with severe water shortage. How to alleviate the freshwater crisis? 17. What do you think of the prospect of seawater desalination? What has China done in this regard? 18. Determine the PH value of local rainwater to understand the pollution situation of sulfur dioxide and provide constructive suggestions to local authorities. 19. The effects of different catalysts on the decomposition of hydrogen peroxide were studied. 20. What problems should be included in weighing from laboratory reaction to industrial production process? 2 1. What is the main air pollution in your area? How is it controlled? What are the certain or uncertain costs caused by air pollution? What are the relevant laws and regulations? 22. How can ion exchangers reduce the pollution from automobile emissions? 23. Review the influence of "clean air standard" since 1970. 24. Investigate the daily output, main pollution and treatment methods of domestic garbage in your area. 25. How is sodium hydroxide made? What is its main purpose? 26. Explore the basic principle of caustic soda production by ion-exchange membrane electrolysis, and try to design a more advanced caustic soda production process. 27. How is sodium hydroxide used to produce pulp? 28. Describe the buffering effect of bicarbonate ions in blood to keep the blood PH constant. 29. What kind of technology is generally used for the anticorrosion of industrial pipelines conveying gas, oil and water? 30. What kind of materials are commonly used for anti-corrosion coatings such as automobile body anti-corrosion? 3 1. What is embrittled hydrogen? 32. Describe the redox reaction in the process of fruit decay. 33. What is the significance of studying the change of energy in redox reaction? 34. Looking back at the development history of rockets, why is it significant to develop fuel from solid to liquid? 35. Is there no chemical factor in the sinking of the nuclear submarine Kursk? 36. Why do some dry batteries last longer than others? Test several common batteries to see which battery has a longer service life under different conditions. 37. How to use fuel cells? What are the prospects for the wide application of fuel cells? 38. What is the commercial use of hot brine? 39. How is aluminum recycled? What are the properties of recycled aluminum today? 40. Make a chart to show how mercury enters the food chain. 4 1. What is "nitrogen fixation"? Describe a natural nitrogen fixation and an industrial nitrogen fixation. 42. What is the potential commercial value of the artificial method of "nitrogen fixation"? Where is the bottleneck of its development? 43. Consult the information to understand the application of N2 in production, life and high-tech fields. How to improve the utilization rate of natural nitrogen pool? 44. How did Curie discover and obtain a large amount of radium? What does this tell you about your study life? 45. How was the periodic law of elements discovered? Mendeleev's contribution to the periodic law of elements. Try to design a future periodic table of elements. 46. Four Great Inventions and Ancient Chemistry in China. 47. Talk about the development history of ancient chemistry in China and its influence on the development of world chemistry. 48. On the ecological disaster caused by the Gulf War and NATO's bombing of Yugoslavia. 49. What are the specific meanings of the labels of cement and gasoline? Do you know the new label of China Cement? 50. Name several common refractories and their components. 5 1. What is a shape memory alloy? Its value in modern scientific research, life and other fields. 52. Talk about the preparation of yogurt and its nutritional value. 53. Can you remove the scale? What method is convenient and economical? 54. Understand the formation principle of scale, investigate the water composition in this area, and put forward the method of rapid scale removal. 55. How to distinguish between toxic and non-toxic plastics? 56. Investigate the varieties, main chemical compositions, properties and prices of commonly used plastics. 57. What is the effect of fluoride in toothpaste on teeth? Why do people in some areas have brown teeth? 58. What is the mechanism of fluoride toothpaste to prevent and treat dental caries? 59. Explore the best washing conditions of soap. What is the function of phosphorus in washing powder? What is the substitute of phosphorus-free washing powder? Why phosphorus-free washing powder is difficult to popularize, and where is the bottleneck? 60. Do you think there will be any Nobel Prize-winning scientists in China? 6 1. What do you think of the influence of "Relativity" on scientific research and study life?
62. What are the prospects of new energy sources? How far is the application and popularization of new energy? 63. What are blue energy, green energy and geothermal energy? 64. Put forward an energy-saving plan to save family expenses. 65. Advantages and disadvantages of burning garbage. 66. What chemical problems should be considered in the construction of the English Channel cross-harbour tunnel /67. How to prevent corrosion of submarine optical cable? 68. What is the function of the zinc plate on the hull? 69. Design a simple volt battery. 70. How do fishing boats at sea use the energy contained in seawater? 7 1. Talk about the prospect of fuel cells. 72. The pollution of glass to the environment? 73. What is the world's coal reserves? What is its main purpose? Do you think "artificial coal" will appear? 74. What are the chemical materials used to make solar cells? Is solar cell a real environment-friendly energy source? 75. Do the advantages of using gas fuel outweigh the disadvantages? 76. For different regions, which is more economical, less environmental impact and more in line with China people's cooking habits, cooking with electricity or cooking with fuel? 77. How to understand that copper is the pillar of electrification? 78. What's the difference between ionic crystals and molecular crystals? Compare the physical properties of ionic compounds and molecular compounds, and describe the differences of their crystal structures. 79. Who solved the mystery of burning? 80. Do you think it is a coincidence that Kekule determined the cyclic structure of benzene molecule? 8 1. How to prevent or overcome occupational diseases of divers? 82. The role of iodized salt and its changes in the whole process; Daily preservation of iodized salt. 83. Talk about the commercial value and daily use of hydrogen peroxide. 84. Compare the bleaching mechanism of sulfur dioxide and hypochlorous acid. 85. How long can silicon and its compounds remain the trump card in modern science and technology and industry? 86. Understand China's silicon reserves and their development and application. 87. Understand the types and uses of ordinary ceramics and new ceramics. 88. Understand the arrangement basis of the periodic table of elements and design a new periodic table in the future. 89. Make common molecular models with domestic waste, such as Cl2, H2, HCl, H2O, CH4, etc. 90. Talk about the greenhouse effect. Investigate the main chemicals that produce the greenhouse effect. 9 1. The harm of redox reaction to human beings. Can we use this knowledge to understand the chemical process of ulcer disease? 92. What do you know about the energy crisis? Do you and your classmates have such consciousness? 93. Hou's contribution to the development of national soda ash industry in China. 94. David's contribution to chemical research. 95. The recovery of silver from common silver-containing wastes and the waste treatment of photo studios in this regard. 96. Understand the secondary air pollution-photochemical smog. 97. Study on the critical concentration of flammable and nonflammable alcohol 98. Describe the relationship between the melting point of some compounds bonded by valence bonds and the polarity of these compounds. 99. The significance of the interaction between substances to the development of adhesives. 100. Investigate the application of colloid in production and life. 10 1. On whether there is * * * similarity between "rebellious psychology" and "principle of balanced motion". 102. Investigate the application of chemical knowledge in hospitals. (such as PH test paper, visual examination of diabetes, etc. ) 103. Investigate the performance, price, market share and how to identify the fiber products used in clothing materials. 104. investigate the varieties, main chemical components, properties and prices of commonly used binders. 105. Investigate the names, main chemical components and uses of chemicals in building and decoration materials.
Two:
Investigation report on middle school students' water use and report on research-based learning project
Theme basis
Water is the source of life, the cradle of life and an important part of various cells and body fluids. Water in human body accounts for about 60% of body weight, and water is the most abundant chemical substance in human body. Many physiological activities of human body can only be carried out with the participation of water, and people's demand for water is second only to oxygen.
Significance of research
Apply what you have learned, raise awareness of environmental protection and water saving, and advocate people to consciously save water and protect the environment.
The main contents and ideas of the study
1, telling people about water waste and pollution is incorrect.
2. Put forward some suggestions on how to save water resources.
3. Summarize the importance of water resources and the urgency of protection and conservation.
4. How should teenagers protect water resources?
The innovation, emphasis and difficulty of the research.
1, how to understand the importance of water;
2. How to protect our water resources;
How much do people care about water now?