UNIT 11 SOURCES OF ENERGY doc
Unit 11: Sources of Energy
... coal. billions of years millions of years three millions of years three billions of years ? a b c d 1. Ecology is the study of ……………… human beings and animals the environment and solar energy natural ... easily divided properly replaced quickly ? a b c d Sources of energy Nonrenewable nonrewable Coal Geothermal heat Petroleum Solar energy Oil Wind energy Gas...
Ngày tải lên: 22/06/2013, 01:26
UNIT 11_ SOURCES OF ENERGY.doc
... energy also renewable energy sources and oil, natural gas, coal and the element uranium are nonrenewable energy sources. 34. Most of our energy we use every day comes from renewable energy ... Answer Key Unit 11: SOURCES OF ENERGY PRONUNCIATION 17. To save money, we should ___________ the amount of energy used in our homes. A. stop B. reduce C. increase D...
Ngày tải lên: 01/07/2014, 08:40
unit 11: sources of en erg y
... A: I think that solar energy can be an alternative sources of energy. B: Why do you think so? A: Because our major sources of energy are running out while the solar energy is plentiful and ... disadvantages of using each alternative sources of energy , using the suggestions from Task 1. Why do you think so? I think that wind power can be an alternative source...
Ngày tải lên: 25/06/2013, 01:26
unit 11. the sources of energy
... Date of planning: 25/2/2010 Unit 12: The Asian game Period: Reading Class: 11 Hoa 1. OBJECTIVES By the end of the lesson, the students will be able to: - Know the history of the Asian ... game - Show 5 pictures about sport and ask sts to guess the name of sport in each picture - Ask sts some information about these kind of sports and The Asian game. Lead in: There are many th...
Ngày tải lên: 30/06/2014, 04:00
Plants as Sources of Energy
... grown for biofuels are the most land- and water inten- sive of the renewable energy sources. In 2005, about 12% of the nation’s corn crop (covering 11 million acres (45,000 km 2 ) of farmland) ... of the original energy consumed by the cow. Wood was the main source of energy in the United States and the rest of the world until the mid-1800s, and biomass continues to be a...
Ngày tải lên: 25/10/2013, 05:20
Tài liệu Chapter 8: Potential Energy and Conservation of Energy doc
... energy from the kinetic energy of the block to a type of energy called thermal energy. This energy transfer cannot be reversed. Thermal energy cannot be transferred back to kinetic energy of ... Mechanical Energy Conservation of Mechanical Energy The conservation of energy theorem will be used to solve a variety of problems As was done in Chapter 7 we use sca...
Ngày tải lên: 23/12/2013, 00:16
Tài liệu Activity 3.2: Identifying Sources of Information doc
... 18 Activity 3.2: Identifying Sources of Information Exercise 1: Identifying Sources of Information ! Develop a list of sources of information 1. Review the information ... study. 2. In the following table, list examples for each source of information. You will discuss your results in a class discussion. Sources Examples Artifacts 1. 2. 3. 4....
Ngày tải lên: 24/01/2014, 10:20