array(24) { ["ID"]=> int(2240) ["id"]=> int(2240) ["title"]=> string(39) "furoku_8365527deebcb1d7479616809515d0e8" ["filename"]=> string(43) "furoku_8365527deebcb1d7479616809515d0e8.jpg" ["filesize"]=> int(634717) ["url"]=> string(93) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8.jpg" ["link"]=> string(92) "https://80th.gakken.jp/supplement/supplement-4k7108/furoku_8365527deebcb1d7479616809515d0e8/" ["alt"]=> string(15) "ふろく画像" ["author"]=> string(1) "1" ["description"]=> string(0) "" ["caption"]=> string(0) "" ["name"]=> string(39) "furoku_8365527deebcb1d7479616809515d0e8" ["status"]=> string(7) "inherit" ["uploaded_to"]=> int(2239) ["date"]=> string(19) "2025-07-30 11:03:30" ["modified"]=> string(19) "2025-07-30 11:03:30" ["menu_order"]=> int(0) ["mime_type"]=> string(10) "image/jpeg" ["type"]=> string(5) "image" ["subtype"]=> string(4) "jpeg" ["icon"]=> string(59) "https://80th.gakken.jp/wp-includes/images/media/default.png" ["width"]=> int(1654) ["height"]=> int(2340) ["sizes"]=> array(21) { ["thumbnail"]=> string(101) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8-185x145.jpg" ["thumbnail-width"]=> int(150) ["thumbnail-height"]=> int(118) ["medium"]=> string(101) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8-212x300.jpg" ["medium-width"]=> int(212) ["medium-height"]=> int(300) ["medium_large"]=> string(93) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8.jpg" ["medium_large-width"]=> int(1654) ["medium_large-height"]=> int(2340) ["large"]=> string(102) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8-724x1024.jpg" ["large-width"]=> int(724) ["large-height"]=> int(1024) ["thumbnail_v"]=> string(101) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8-150x200.jpg" ["thumbnail_v-width"]=> int(150) ["thumbnail_v-height"]=> int(200) ["thum_md"]=> string(101) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8-690x540.jpg" ["thum_md-width"]=> int(690) ["thum_md-height"]=> int(540) ["thum_md_v"]=> string(101) "https://80th.gakken.jp/wp-content/uploads/2025/07/furoku_8365527deebcb1d7479616809515d0e8-375x500.jpg" ["thum_md_v-width"]=> int(375) ["thum_md_v-height"]=> int(500) } }

科学

1971年度: 4年のかがく（8月号）

回転式星ざ投えい器

本体前面に星座シートをとりつけて反対側から光を当てて投影するしくみ。星座シートを回転させることで、時刻とともに変化する星の動きをリアルに体験できた。

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