force of gravity       - magnetism                       - north/south pole

- force of gravity       - magnetism                       - north/south pole

- measurement         - attract/repel objects          - electricity

- motion/movement  - quantum mechanics        - electrons

- distance                  - coefficient of friction       - electromagnet

GRAMMAR IN USE

These tasks can help you to practise grammar topic “Question types” (See Appendix 1 p. 210 – 212) and do the following exercises.

 

14. Put as many questions to each sentence as possible.

1. Magnets have two opposite ends.

2. Computer technology is a growing industry.

3. Electromagnets have many practical uses.

4. Computer can conduct experiments.

5. Magnetism involves electrons and electricity.

6. Much work has been done to create artificial intellect.

7. The development of science has increased man's knowledge.

 

15. Put disjunctive questions to the sentences.

1. They are going home from university, …..?

2. The exam wasn’t difficult, …..?

3. You have cleaned your bike, …..?

4. You have to get up early, …..?

5. We write, read and speak English during the lessons, …..?

6. There were a lot of students at the lecture, …..?

7. You can't swim very well, …..?

16. Write questions to which the words in bold are the answers.

1. Each planet has its own gravity

2. Here on Earth we measure gravity using a scale.

3. The coefficient of friction for two materials may differ depending on the type of friction involved.

4. Other types of friction include rolling friction and fluid friction.

5. Scientists often like to use the word mass instead of weight.

6. MRI machines in hospitals use magnetism to make a picture of the inside of your body.

7. Invention of electronic computers is one of the greatest achivements of mankind.

17. Work in pairs. Make up 5 questions to the text “Gravity, Friction, Magnetism” and let your partner answer them.