Across
- 2. Ripening of fruit is an example of what change?
- 3. All nonzero digits are ____.
- 5. It is the smallest particle of an element.
- 10. It is the amount of space that a substance or object occupies, or that is enclosed within a container,
- 12. It is used to separate dry mixture.
- 14. It corresponds with the symbol (T). It has a scientific notation 10 raise to 12.
- 17. A mixture whose composition varies from one position to another within the sample.
- 18. It corresponds with the symbol (μ). It has a numerical value = 0.000001
- 21. It is the phase transition that happens when liquid turns into solid that is due to cooling.
- 22. It is composed of 2 or more substances, combined physically in an indefinite proportion.
- 23. Its particles are apart from each other and are arranged in a random way. Its particles also move quickly in all directions.
- 25. Chemical property whether it reacts with acids, bases, and oxygen, gas or not.
- 27. Their particles are close together; hence they cannot be compressed and move freely from place to place.
- 28. It is a chemical property whether it will break into charged particles when in solution with water or not.
- 29. It tells how hot or cold an object is. It is commonly marked either by celsius or fahrenheit.
- 31. It is an example of homogeneous mixture that is a petroleum product.
- 32. It is the ratio of the mas of an object to the volume it occupies. It has a formula mass/volume.
- 35. It is also called as solution, is relatively uniform in composition; every portion of the mixture is like every other portion.
- 39. It is a pretty accurate description of what happens to ink on wet paper, because it literally means "color writing".
- 43. Chemical property whether the substance can damage an organism or not.
- 45. It is a way to separate heavier and lighter components of a mixture.
- 47. In doing this operation, The answer must have the same number of significant figures as the measure number with the lowest significant figures.
- 48. It is a method that generally used 2 phase changes: evaporation and condensation. It is a process of separating a homogeneous mixture composed of 2 substances with different boiling points.
- 49. It corresponds with the symbol (p). It has a scientific notation 10 raise to negative 12.
Down
- 1. It is a process of separating the components of a suspension. Example is separating a sand and water solution.
- 4. ___ Chemistry is the art and science of determining what matter is and how much of it exists.
- 6. It is the unit used for temperature with the symbol (K).
- 7. It is the branch of science that explores the chemical processes within and related to living organisms
- 8. An ___ is the simplest form of matter. A substance that cannot be broken down into simpler substances by chemical means.
- 9. It is a process of determining the extent of the dimensions, quantity, or extent of something.
- 11. It is the unit used for length.
- 13. It has the unit of kilogram (kg).
- 15. It is the consistency of a result. It is the quality, condition, or fact of being exact and accurate.
- 16. It is determined when a certain quantitative value is relatively close to the "true" value.
- 19. It is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
- 20. The ___ occurs when solid is converted to gas by the addition of heat.
- 22. It is anything that has mass and occupies space.
- 24. It is the unit used for electric current with the symbol (A).
- 26. It is the unit used for luminous intensity with the symbol (cd).
- 30. Molding of Clay is an example of what change?
- 33. Chemical property whether the substance undergoes combustion or not.
- 34. Chemical property whether the substance can be easily decomposed or not.
- 36. It is generally used by farmers to separate grains from stalks after harvesting.
- 37. Frying an ___ is an example of Chemical Change.
- 38. It consist of coarse particles which are visible to the naked eye.
- 40. It contains 2 or more kinds of atoms combined chemically in definite proportion by mass and can be separated into simpler substance by chemical means.
- 41. In writing a scientific notation of a digit, the ____ point is moved towards the right or left of the first nonzero digits.
- 42. Its particles are close together but are not held so rigidly in position and can move past one another; they take the shape of their containers.
- 44. In doing this operation, The answer must have the same number of decimal places as the measure number with the least number of decimal places.
- 46. It consist of a dispersed phase or the substance that is dissolved or scattered. It exhibit the Tyndall effect.