Question

reviewpart a. vocabulary reviewdirections: use the clues below to complete the crossword puzzle.across1. a change in size, shape, or state of matter3. substance in which two or more elements are combined in a fixed proportion4. a mixture in which different materials can be easily distinguished6. heterogeneous mixture containing a liquid in which visible particles settle7. heterogeneous mixture with larger particles that never settle9. any material of two or more substances that can be physically separated10. homogeneous mixture of particles so small they cannot be seen and will never settledown2. mixture containing two or more gaseous, liquid, or solid substances blended evenly throughout5. substance in which all atoms are alike8. effect of scattering light by colloidal particles9. law of conservation of ______

Explanation:

1. Across 1: Matches the definition of a change that doesn't alter matter's composition, filled as given.
2. Down 2: A uniformly blended mixture is a homogeneous mixture.
3. Across 3: A substance with elements in fixed proportions is a compound.
4. Across 4: A mixture with distinguishable components is heterogeneous.
5. Down 5: A substance with identical atoms is an element, matches the given vertical letters.
6. Across 6: A heterogeneous mixture with settleable particles is a suspension.
7. Across 7: A heterogeneous mixture with non-settleable light-scattering particles is a colloid.
8. Down 8: The light-scattering effect of colloids is the Tyndall effect.
9. Across 9: A physically separable combination of substances is a mixture; matches the law of conservation of mass (Down 9).
10. Across 10: A homogeneous mixture with tiny, non-settleable particles is a solution.

Answer:

Completed Crossword Answers:

Across:

1. PHYSICAL
2. COMPOUND
3. HETEROGENEOUS
4. SUSPENSION
5. COLLOID
6. MIXTURE
7. SOLUTION

Down:

1. HOMOGENEOUS
2. ELEMENT
3. TYNDALL
4. MASS