Unit 12 - Science And Technology

Question 1

Nucleus

Answer 1

Centre of an atom

Eg. The nucleus is the dense centre of an atom

Question 2

Penicillin

Answer 2

Antibiotic drug. Treatment for various diseases and infections

Eg. Penicillin saved penny’s life

Question 3

Evaporation

Answer 3

Change of form. Liquid into a vapour

Eg. The water dish was empty, after the liquid evaporated from the hot sun

Question 4

Laboratory

Answer 4

A room equipped for scientific experiments or research

Eg. The laboratory was filled with rats for the experiment

Question 5

Organism

Answer 5

A living thing. Individual form of life

Eg. The organism was accustomed to a warm climate

Question 6

Vertebrate

Answer 6

To have a backbone or spine

Eg. Not all animals are vertebrates

Question 7

Dynamo

Answer 7

Machine which converts mechanical energy into electrical

Eg. The dynamo is a peculiar machine

Question 8

Biodegradable

Answer 8

Able to be broken down / decomposed by bacteria

Eg. The clothes were made out of biodegradable material

Question 9

Calibration

Answer 9

Set of graduations showing positions or values

Eg. He peered at the calibrations on the rule

Question 10

Ecosystem

Answer 10

Interaction between abiotic and biotic factors within an environment

Eg. The ecosystem was suffering, due to the addition of foreign materials

Question 11

Salinity

Answer 11

The amount of salt within a liquid

Eg. The water in the ocean has a higher salinity level , compared to the lake water

Question 12

Temperature

Answer 12

Level of hotness or coldness on a definite scale

Eg. Summer in Dubai has a much higher average temperature, in comparison to Antarctica