Page 11 - Digital Cornice Grade 9
P. 11
CROSSWORD
Science Crossword
By: Divyanshu Ayer
Across
3. The ability to detect or sense changes in the environment (stimuli) and respond.
4. Positive ions
5. A substance that contains two elements chemically combined.
7. Distance between the optical center and the principal focus of a lens.
8. The mixture of gasses surrounding the Earth.
9. A permanent increase in size and dry mass by an increase in cell number or cell size or both.
10. The process by which waste products of metabolism and other non-useful materials are
eliminated from an organism.
Down
1. Material that allows thermal energy or electrons to flow easily.
2. A permanent change in which a new substance is formed.
6. Give out heat or radiation.
