- •The atom
- •I. Read and translate the text.
- •II. Match the words with their translation
- •III. Answer the questions on the text.
- •IV. Choose the best variant.
- •What is energy?
- •I. Read and translate the text.
- •II. Answer the questions.
- •What is energy?
- •I. Read and translate this text
- •II. Answer the questions
- •III. What do these abbreviations mean?
- •V. Energy quiz.
- •Where do we get energy?
- •I. Read and translate the text. Use your dictionary.
- •II. Write a short summery of the text. Energy sources
- •I. Read and translate the text.
- •What is the future of energy?
- •I. Read and translate the text in a written form.
- •What is electricity?
- •I. Read and translate the text.
- •II. Answer the questions.
- •III. Say whether these statements are true or false
- •IV. Match the words with their definitions
- •V. Match the following symbols with their names.
II. Answer the questions.
1. What is electricity?
2. What is all matter made up of?
3. What does the nucleus contain?
4. What particles surround the nucleus of an atom?
5. When may an atom lose or gain an electron?
6. Where is electricity used?
7. Where do we get electricity from?
8. What were house lit with over 100 years ago?
9. Who began to make experiments with a kite?
10. Why is electricity very important?
III. Say whether these statements are true or false
1. Electricity is a flow of atoms.
2. Any atom has a nucleus.
3. The nucleus consists of protons and neutrons.
4. Electrons are positively charged particles.
5. Electricity is very important nowadays.
6. Waterfalls were used as a primary source of mechanical energy.
7. The electric light bulb was invented in 1700s.
IV. Match the words with their definitions
1. Superconductors
2. Transformation
3. Volt
4. Resistor
5. Electron
6. Capacitor
7. Battery
8. Electricity
9. Circuit
10. Parallel circuit |
1. A circuit that splits into branches. A break in one branch will not stop current in the other brunches. 2. A device that uses chemicals to generate and store electricity. 3. Materials that lose all resistance to the flow of current at low temperatures. They operate extremely fast and produce almost no heat. 4. A unit of potential difference (similar to pressure). 5. The change in energy from one type to another as in a battery, which changes chemical energy to electricity. 6. An electric circuit element used to store charge temporarily. 7. A device used to control current by providing resistance. 8. A subatomic particle with a negative electrical charge. 9. A path of conductors that an electric current follows. 10. A form of energy produced by the flow or accumulation of electrons.
|
V. Match the following symbols with their names.
1.
2
3
4.
5. |
1. Ammeter
2. Voltmeter
3. General capacitor
4. Resistor
5. Earth
|