Across
- 3. invertebrate with wings, 6 legs and segmented bodies
- 6. when potential difference increases in a circuit the current..
- 10. affects the weight of an object but not the mass
- 12. when a light ray bounces off a smooth surface
- 14. has a backbone
- 15. only offspring of the same species are...
- 17. when an acid and alkali are added together and water is a product
- 19. has a pH above 7 but is NOT soluble
- 20. green pigment in chloroplasts
- 23. resource that will run out
- 24. pH above 7
- 28. force that can attract two metals together from a distance
- 30. main nutrient in starchy foods like bread, pasta, potatoes
- 31. all of the organisms and habitats that interact together in an environment
- 34. organ system comprising the lungs, trachea, mouth and nose
- 35. process used to remove and insoluble substance from a solution
- 36. a substance that can catch fire easily
- 37. fossil fuel
Down
- 1. process plants carry out using sunlight energy
- 2. energy can never be created or
- 4. mammals produce this for their offspring
- 5. also known as the wind pipe
- 7. used to measure current
- 8. bottom of the food chain, Earth's main producers
- 9. planet with lower gravitational field strength than Earth
- 11. name for an organism that makes its own food using only the sun's energy
- 13. plants cells contain this
- 16. vertebrate with scales and lives on land
- 18. smallest unit of matter in the Universe
- 21. non-renewable energy resource that comes from using heat far beneath the earths surface
- 22. movement of an object only happens if forces are ....
- 25. an indicator that can be used to determine the pH of a liquid
- 26. contact force exerted by tyres on a road
- 27. animal that eats only plants
- 29. something that can potentially cause harm
- 32. acid which can let off an eggy smell and contains sulfur
- 33. when a circuit has more than one loop for current to flow