Complete the sentences with the correct word. Use each word only once

1. machine / engine
a This car has a very powerful ____________, so you'll have to drive carefully.
b To operate the coffee ____________, just put your money in here and press the button.

2. electric / electrical
a We need to buy a new ____________ cooker as soon as possible.

3. b All the ____________ equipment in this room needs to be replaced.

4. appliance / device
a A vacuum cleaner is a(n) ____________ which almost every household possesses.
b My car has a(n) ____________ which checks whether everyone is wearing a seat belt.

5. mechanic / technician
a My father works as a ____________ in the microbiology unit of the hospital.

6. b A ____________ looked at my car the other day and said that I should get a new one.

7. invent / discover
a I am sure that the astronomers will ____________ much more about distant galaxies in the future.
b Do you think someone will ____________ perpetuum mobile?

8. fix / correct
a Can we find someone to ____________ the video? It doesn't work properly.
b I've noticed a number of errors in this report. Can you ____________ them, please?

12. Check (+) the sentence that uses the underlined word correctly.

1 __A A machine is a branch of instruction or knowledge.

__B To design something is to plan how it will look and function.

 

2 __A To inspect something is to examine it carefully.

__B Mathematics is a science that studies matter.

 

3 __A Engineering is the study of quantity, structure, and change.

__B To develop something is to create it or cause it to grow.

 

4 __A Technology is a type of machine that makes life easier.

__B Physics is the art of using the knowledge gained by science.

 

5 __A A machine is a device that has multiple parts and does work.

__B A discipline is a person who applies scientific knowledge.

6___ A Cotton is a synthetic material.

___ B Glass is brittle and can shatter.

7 ___ AYou can stretch rubber because it had very low tensile strength.

___ B Foam retains heat well and is a good conductor.

8 ___ AMost glass is transparent.

___ B Metals have low levels of hardness.

Complete the sentences using the words in the box.

 

metal non-metal metallic non-metallic ferrous non-ferrous

 

1. Carbon (C) is a _______________.

2. Copper (Cu) is a _______________ metal.

3. Aluminium (Al) is a common _______________.

4. Steel (Fe+C) is a widely used _______________ metal.

5. Although it is used in steel, carbon is _______________.

6. Aluminium is relatively lightweight for a _______________ material.

Match the words (1-6) with the definitions (A-F).

1 ___ inertia 2 ___ Newton's second law 3 ___ vector 4 ___ Newton's first law 5 ___ acceleration 6 ___ motion A law stating that force equals mass times acceleration B the state of an object when it is moving C a force that keeps an object in the same position D an increase in an object's speed E a quantity that has both a size and a direction F law stating that objects will remain at rest or move in a straight line unless a net force acts upon them