spelling 2 sec july 07 Flashcards

1

the scientific study of matter and energy and the effect that they have on each other

2

small pieces of rubbish that have been left lying on the ground in public places

3

a secret word or combination of letters or numbers, used to prove who you are:

4

to turn from something solid into something soft or liquid, or to cause something to do this

5

the process of collecting and changing old paper, glass, plastic, etc. so that it can be used again:

6

full of hope and confidence, or giving cause for hope and confidence

spelling 2 sec july 07