Pre-Quiz ・ Choose the answer you think is best. 1 Which of these plays a key role in photosynthesis? a. Venus b. Fertilizer c. The Sun 2 . What ro 厄 do human beings play in a food chain? a. The 「 0 of decomposers b. The ro 厄 of producers C. The 「 0 Of consumers 3 . HOW dO you describe an animalif its species has been wiped out? a. Polished b. Extinct c. Endangered 4 . Which of these is a producer? a. A zebra b. A fungus c. A pine tree 5 . What do you call an animal that eats both plants and meat? a. A carnivore b. A herbivore C. An omnivore 220

Pre-Quiz 0 Choose the answer you think is best. 1 . AtriangIe is a ( a. line b. side c. polygon 2 . A pentagon has ( ) sides. C. reverse 3 . HOW many triangles can a rectangle be divided into? a. 2 b. 3 4 . A trapezoid has ( a. 2 ) pa 「引回 sides. c. 4 5 . A square is 5.2 on a side. Area= ( a. 10.4 b. 2 ス 04 c. 14 ) square 6 . Area Of triangle with base=5 代 and height=10 代 is ( square 化 a. 15 b. 50 c. 25 Pre-Quiz Answer Key 110

they are classified as ( a. science b. technology C. a machine 2 . Microwave ovens use microwaves tO COOk fOOd, SO it iS classified as ( a. sclence b. technology c. mother 3 . Afaucet is a ( ) Of the water supply system. a. system b. subsystem 4 . A faucet is 引 SO a ( with its own function. a. system b. subsystem Pre-Quiz Answer Key 最適だと思う答を選びなさい。 【 Pre-Quiz の日本語訳】 a. 科学 b. 技術 c. 機器 1 . 極超短波は、短い波長の電磁波で、 ( C. man C. man ) made up Of smaller parts, ) に分類される。 each 2 . 電子レンジは、食べ物を料理するために極超短波を使うから、 ( a. 科学 b. 技術 c. 母親 3 . 蛇ロは水道システムの中の ( ) である。 a. ひとつのシステム b. 下位装置 c. 人間 ) に分類される。 ) である。 4 290 蛇ロはまた、それぞれが独自の機能を持った小さな部品でできた ( a. システム b. 下位装置 c. 人間

Post-Quiz 歴 史 ・ Choose the answer you think is best. 1 . A hexagon has ( ) sides. 2 . AngIes in a quadrilateral sum tO ( a. 180 b. 360 c. 540 ) degrees. 3 . The base of a parallelogram is 50 km and its height is 50 km. Area= ( a. 500 km2 b. 100 km2 c. 2500 km2 4 . The height of a trapezoid is 5 cm, one base is 12 cm, and the other bases is 6 cm. Area = ( ) sq. cm. a. 360 b. 90 国語表現 c. 45 5 . Find the sum of the interior angles of a heptagon, a 7-sided polygon. a. 360 理 科 b. 720 。 c. 900 ) faces, including the bases. 6 . A hexagonal prism has ( 課外授業

3 . When breakfast is made, 訓 Of the followings are used. Which one is NOt a subsystem? b. A switch a. A toaster 4 . BicycIes are made by assembly lines. One part is put together in each step; therefore, making bicycle is a ( a. system b. subsystem c. skill 5 . Had a bicycle already been invented one hundred years ago? a. Yes b. NO c. Unknown 歴 史 c. EIectricity 数学 Post-Quiz Answer Key 国語表現 【 Post - Quiz の日本語訳】 最適だと思う答を選びなさい。 どうして技術は、単なる科学的知識以上のものなのか。それは、技術が科学的知識を ) に使用しているからである。 b. 実際的 c. 商業的 a. 想像力豊か 2 . 電気のスイッチは、家庭に電気をもたらす電力供給システムの ( b. 道具 c. 下位装置 a. 網の目 3 . 朝食が準備される時、下記のすべてが使用される。さて、下位装置でないのはどれか。 b. スイッチ c. 電気 a . トースター 4 . 自転車は流れ作業で作られる。つまりある部分はそれぞれの段階で組み立てられる。そ れ故、自転車製作は ( ) である。 a . システム b. 下位装置 c. 技術 5 . 百年前には、すでに自転車は発明されていたか。 b. いいえ c. わからない a . はい ) である。 課外授業 295

d2 A = ー (dId2) Rhombus 1 b2 A = —h ( bl + b2 ) Tr 叩 ezoid A=lw Square The perimeter Of a polygon 114 rectangles and find those areas ln general tO get the area Of a polygon, cut it intO triangles and A = bh The area of a parallelogram is the base times the height. A = lw The area of squares and rectangles is the length (l) times the width (w). instead. Every polygon has a formula for finding its area. inside the shape. But this is not very practical, so we use area formulas area by drawing a sh 叩 e on graph paper, and counting the squares such as square feet, square meters, or square inches. You can find an needed tO cover the shape. Area can be measured in different units, The area Of a shape IS a number that tells how many square units are Area Of polygons The perlmeter of a polygon is the sum of the length of the sides.

・ Good. What else can we say about figures called polygons? Teacher. Student: Polygons are always flat figures. Ok, polygons are flat figures. Let me go back for a minute. Teacher. ワ We have a square. ls a square a parallelogram. Student: s. ・ Ok, what makes a square a parallelogram? Teacher. : ℃ ause a parallelogram has two pairs 0f equallines. Student Teacher: ls that what makes it a parallelogram, Ron? lt has two pairs of parallellines. Ron. Teacher. Ok, good fo 「 you. 歴 史 数学 ・◇ロ乙◇ロ 国語表現 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 理 科 : NOW give me the name Of another polygon. Manan, what' s Teacher another polygon with four sides? A rhombus. Marian. Teacher: Nancy, what's another polygon? A trapezoid. Nancy. ・ Ok, a trapezoid. Amy, what's another polygon with four 外 Teacher. sides? 業 A quadrilateral. Amy. ・ Ok, what name do we give all four-sided polygons? What is Teacher. 97

What are X andY chromosomes? The 23rd pair of genes determines the sex of a baby. These are X and Y chromosomes.. A. 、 has t 、 MO x chromosomes, while a man has one X and one Y chromosome. When the chromosomes 」 oin together in fertilization, if the sperm contains an X chromosome, it will combine with the X chromosome of the female to produce XX—a girl. If the sperm contributes the Y chromosome, the baby will have one X and one Y chromosome and will be XY—a boy. What are dominant genes? Although genes from bOth parents are mixed together at fertilization, some genes have a more powerful effect than others. These dominant genes override the effects Of others, which are called recessive genes. For example, if a child has a gene for brown eyes 仕 om one parent and a gene for blue eyes om the other, the child will always have brown eyes. This is because the gene for brown eyes is a dominant gene. What is a mutation? Mutations are changes in the DNA inside a cell that affect the genes and chromosomes. Mutations arise because 0f errors in the DN. A molecule when it divides and re-forms in the new cells. When this h 叩 pens in sperm or egg cells, it causes changes that can be passed on t0 a child. The 叩 pearance of hemophilia is an example of a mutation in a single gene. 252

Post-Quiz 0 Choose the answer you think is best. 1 . An understanding Of ( together knowledge from a ( a broad picture. a. myths, whOle b.legends, single c. history, whOle 2 . Why is radiocarbon dating so effective in calculating the date Of objects? Because ( a. a buried Object decays at a reasonable rate b. a radioactive form Of carbon decays at a very SIOW rate C. archaeologists usually make a careful excavation 3 . HOW can you find out what happened in your own area in the recent past? By ( a. examining growth rings b. visiting ー OC 引 museums c. excavating remains from the Stone Age 4 . Why did the discovery of the Rosetta stone 訓 ow the meaning of the complicated hieroglyphic pictures tO be understood? The Rosetta stone contained the same inscription ( a. in hieroglyphics and in Greek b. in hieroglyphics and in Roman c. in Roman and in Egyptian ) can only be obtained by piecing ) range Of sources tO provide Post-Quiz Answer Key 3 . b 4 . a 24

only had half a pie. How in the world does she have? Student: She cheated Teacher: No, she was smart. That's what I call good-thinking. Let's take a look, ok? David, did you get a whole pie? David. They robbed me. Teacher: They robbed you. Ok, now take out your purnals, and finish your entries. And I want you all to write a 10t about what you did today. Teacher: SO, what is a fraction? Student: A fraction is a ratio that has a numerator and denominator. Teacher: AII right. 76