Question

directions: use the diagram to write the letter of the term that correctly answers each question. 1. according to the diagram, what does the light shining on the ball create? 2. how many parts does the shadow have? 3. what is the central, darker part of ashadow called? 4. what is the lighter part of a shadow where light is partially blocked called? 5. in thinking about a solar eclipse, what does the light source in the diagram represent? 6. in thinking about a solar eclipse, what does the ball in the diagram represent? 7. in thinking about a lunar eclipse, what does the ball in the diagram represent? 8. what must occur for an eclipse to occur? 9. during which part of the lunar cycle can a lunar eclipse occur? 10. during which part of the lunar cycle can a solar eclipse occur? a. the moon b. a sun - earth - moon line c. full moon d. a shadow e. the umbra f. two g. earth h. the penumbra i. the sun j. new moon

Explanation:

1. When light shines on an object, it creates a shadow, so the answer is D.
2. A shadow has two parts - the umbra and penumbra, so the answer is F.
3. The central, darker part of a shadow is the umbra, so the answer is E.
4. The lighter part of a shadow where light is partially blocked is the penumbra, so the answer is H.
5. In a solar - eclipse context, the light source is the Sun, so the answer is I.
6. In a solar - eclipse context, the ball represents the Moon, so the answer is A.
7. In a lunar - eclipse context, the ball represents the Earth, so the answer is G.
8. For an eclipse to occur, the Sun, Earth, and Moon must be in a straight line, so the answer is B.
9. A lunar eclipse can occur during a full - moon phase, so the answer is C.
10. A solar eclipse can occur during a new - moon phase, so the answer is J.

Answer:

1. D. a shadow
2. F. two
3. E. the umbra
4. H. the penumbra
5. I. the Sun
6. A. the Moon
7. G. Earth
8. B. a Sun - Earth - Moon line
9. C. full moon
10. J. new moon