NAWL 1.20 Set 27
Words 521 to 540

 1  an object, such as a tool or weapon that was made by humans in the past

 6  the study of public speaking or writing techniques

10 the material that settles to the bottom of a liquid

14 to grip something firmly with the hands

16 a big size

17 organizing people or things to make them work together effectively

19 not affected by something

 2  the lines of light coming from an object

 3  to keep safe

 4  the smallest unit or amount of energy

 5  to put one thing on top of another e.g. books

 7  having parts that extend in a number of directions

 8  the act of punishing someone

10 concerning surgery

11 moving violently and unevenly

12 a plant or animal that has become rock after many thousands of years

13 a company, usually an airline, that carrys things

15 to move slowly

18 the home of a bird or spider