Science

2. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume
5. a vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises
8. a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
9. a celestial body that is in orbit around the Sun
12. a dwarf planet that is farther away from the sun than Neptune

1. the force that attracts a body towards the centre of the earth
3. a living organism that feeds on organic matter
4. he smallest structural and functional unit of an organism
6. the planet on which we live; the world
7. the star round which the earth orbits
10. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
11. your teacher's name