Jinni Xu has been teaching math and science for more than 30 years, 18 years in China. She teaches bilingual earth science, math A and math B at LESP. Ms. Xu earned her bachelor's degree in physics from Shanghai Teachers University, China and master's degree in mathematics from CUNY. Besides regular teaching, she has been working for NYS & NYC Department of Education as a curriculum developer, translator and teaching certificate evaluator since 1992. She developed math curriculum, English-Chinese Math Course I-III Glossaries and English-Chinese Earth Science Glossaries and translated NYS math and science Regents exams.

Jinni Xu also teaches origami art in the school. This art course introduces origami development, basic bases, and techniques. The students learned many kinds of models, such as animals, flowers, boxes, greeting cards, geometry patterns, and polyhedrons. Through folding, the students not only developed the origami skills, but also strengthened their understanding of math concepts

Earth Science Glossary

EARTH SCIENCE II

Topics Read Answer
CHAPTER 10 DEPOSITION:
DEPOSITION AND RATE PP 177-178 P178/1-4, p182/12-14
EROSIONAL-DEPOSITIONAL SYSTEM PP179-181 P181/5-11
FEATURES OF DEPOSITION BY GLACIERS PP182-183 P185/15-25
DEPOSITION BY WAVE, WIND, AND MASS MOVEMENT PP183-184 P187/13-27
REVIEW PP177-184 P186/1-12, P189/28-30
CHAPTER 11 MINERALS & ROCKS
MINERALS PP190-192 P194/1-3,14
PROPERTIES OF MINERALS PP192-194 P194/4-13,15
SEDIMENTARY ROCK PP195-197 P204/19-21, P211/24-28
IGNEOUS ROCK PP198-200 P204/16-18, 22-29
METAMORPHIC ROCK PP200-202 P205/30-37
ROCK CYCLE PP203 P209/1-15
MINERAL SOURCES PP205-208 P208/38-45, P210/16-23,29
REVIEW PP190-208 P212/30-35

MATH A3
Topics Read Answer
CHAPTER 4 TRIANGLE RELATIONS
4-1 USING LOGIC REASONING PP744-745 P748/11-23
4-2 ISOSCELES TRIANGLES PP750-752 P753/1-8,12-15
4-3 PREPARING FOR PROOF PP756-757 P758/1-6
4-4 MIDSEGMENT OF TRIANGLES PP763-765 P765/1-5, 9-14
4-5 USING INDIRECT REASONING PP769-770 PP771/1-9
4-6 TRIANGLE INEQUALITIES PP775-778 P778/1-18
4-7 BISECTORS AND LOCUS PP781-784 P785/1-12, 23-28
REVIEW PP744-784 P800/1-25