小3 理科 理科の 教科まとめテスト（まとめテスト）

{"meta":{"grade":"小3","field":"理科","unit":"理科の 教科まとめテスト","level":"まとめテスト","readAloud":["question","choices","hint","explanation"]},"questions":[{"id":"e3-science-z-q01","type":"choice","label":"しぜんの 見方","question":"🌿 二つのはの色をくらべたいです。よいかんさつは？","choices":["りょうほうの色を同じ見方でくらべる","かたほうは色、もうかたほうは長さだけを見る","名前の長さだけをくらべる"],"hint":"同じ見方を 二つにむけよう。","explanation":"色をくらべるなら、りょうほうの色を 同じように見て きろくします。"},{"id":"e3-science-z-q02","type":"choice","label":"しぜんの 見方","question":"🔍 虫めがねで 小さな虫を見ます。してはいけないのは？","choices":["太ようを のぞく","先生と虫の形を見る","虫をいためずに見る"],"hint":"強い日光から目をまもろう。","explanation":"虫めがねで太ようを見ると目をいためるため、ぜったいに見ません。"},{"id":"e3-science-z-q03","type":"choice","label":"しぜんの 見方","question":"📒 生きものを見たきろくを友だちへつたえます。ようすの絵とともにひつようなのは？","choices":["見た日づけとばしょ","友だちのすきな色だけ","見ていないばしょのよそうだけ"],"hint":"いつ・どこで見たかを のこそう。","explanation":"日づけとばしょがあると、どんなかんさつのけっかか 分かります。"},{"id":"e3-science-z-q04","type":"choice","label":"しょくぶつ","question":"🌱 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図のこん虫で、六本のあしがつくぶぶんは？","choices":["B","A","C"],"hint":"あしの先から つけねまで 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せい虫の 体を かんたんに した図。A・B・Cのぶぶんと、あしのつながりを見る。"}},{"id":"e3-science-z-q09","type":"choice","label":"こん虫","question":"📒 チョウはさなぎを通りましたが、バッタはさなぎにならずせい虫になりました。合うまとめは？","choices":["こん虫でもそだつじゅんにちがいがある","すべてのこん虫がかならずさなぎになる","バッタはそだたない"],"hint":"二つのかんさつけっかを くらべよう。","explanation":"こん虫のそだち方は同じではなく、さなぎを通らないものもあります。"},{"id":"e3-science-z-q10","type":"choice","label":"風と ゴム","question":"🌀 同じ車に弱い風を当てると40・42・41cm、強い風では85・88・86cmすすみました。合うのは？","choices":["強い風で 遠くまですすんだ","弱い風で 遠くまですすんだ","どちらも同じきょりだった"],"hint":"三回分どうしを くらべよう。","explanation":"三回とも強い風の方が遠くまで車をうごかしています。"},{"id":"e3-science-z-q11","type":"choice","label":"風と ゴム","question":"🚗 ゴムののばす長さだけをくらべます。そろえるのは？","choices":["ゴムの本数・車・ゆか","のばす長さそのもの","けっかのすすんだきょり"],"hint":"かえたい一ついがいを そろえよう。","explanation":"同じゴムの本数・車・ゆかで、のばす長さだけをかえてくらべます。"},{"id":"e3-science-z-q12","type":"choice","label":"風と ゴム","question":"📒 ゴムで走る車を 手でもおしてしまいました。ゴムの力だけをたしかめるには？","choices":["手でおさず ためし直す","おした分もゴムの力とする","もっとつよく手でおす"],"hint":"べつの力が 入っていないか 見よう。","explanation":"手の力もまざったので、手でおさず 同じじょうけんでしらべ直します。"},{"id":"e3-science-z-q13","type":"choice","label":"太ようと 地めん","question":"☀️ 先生が太ようはぼうの東がわとたしかめました。かげがのびるのは？","choices":["ぼうの西がわ","ぼうの東がわ","どんなときも南がわ"],"hint":"ぼうをはさんだ りょうがわを考えよう。","explanation":"かげは太ようとはんたいがわにできるので、西がわにのびます。"},{"id":"e3-science-z-q14","type":"choice","label":"太ようと 地めん","question":"🌡️ 20℃から30℃の間が十こに分かれています。20℃より四目もり上は？","choices":["24℃","16℃","28℃"],"hint":"一目もりが何℃か 先に考えよう。","explanation":"10℃分が十こなので一目もり1℃、四つ上は24℃です。"},{"id":"e3-science-z-q15","type":"choice","label":"太ようと 地めん","question":"📒 同じ土・時こく・ふかさで、日なた32℃、日かげ25℃でした。合うまとめは？","choices":["このとき日なたが7℃高かった","日かげが7℃高かった","どんな日も日なたはかならず32℃"],"hint":"数字のちがいと しらべたはんいを考えよう。","explanation":"32−25＝7℃で、このときの日なたの方が高いけっかです。"},{"id":"e3-science-z-q16","type":"choice","label":"光","question":"🔦 三まいのあつ紙の小さなあなを一直線にそろえると光が通り、まん中をずらすと通りませんでした。分かるのは？","choices":["光はまっすぐすすんだ","光はあなへじゆうにまがった","あなのいちはかんけいない"],"hint":"通り道がつながるじょうけんを 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二本の線でつないだ図。線のりょうはしととちゅうをたどる。電きゅうの中の道は かいていない。とちゅうに切れ目はない。"}},{"id":"e3-science-z-q23","type":"match","label":"電気","question":"📒 同じ回ろで、てつ・アルミは明かりがつき、プラスチックはつきませんでした。けっかに合わせて分けましょう。","hint":"明かりがついたざいりょうを 読もう。","explanation":"このけっかでは二つの金ぞくは通し、プラスチックは通しませんでした。","groups":[{"name":"電気を 通した","items":["てつ","アルミ"]},{"name":"電気を 通さなかった","items":["プラスチック"]}]},{"id":"e3-science-z-q24","type":"choice","label":"電気","question":"🔋 電池のりょうはしを、電きゅうを通さず線だけでつなごうとしています。先にするのは？","choices":["やめて先生とつなぎ方をたしかめる","そのまま長くつなぐ","線をふやしてじかにつなぐ"],"hint":"電池があつくなるつなぎ方を さけよう。","explanation":"電池のりょうはしを線だけでじかにつなぐのはきけんなのでしません。"},{"id":"e3-science-z-q25","type":"choice","label":"じしゃく","question":"🧲 てつのクリップはつき、アルミいたはつきませんでした。合うのは？","choices":["金ぞくでもつかないものがある","金ぞくはすべてついた","アルミはかならずてつである"],"hint":"二つとも金ぞくかを 思い出そう。","explanation":"てつはつきますが、アルミも金ぞくなのにつかないので、すべてとはいえません。"},{"id":"e3-science-z-q26","type":"choice","label":"じしゃく","question":"🧲 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