教室の黒板が黒ではなく緑になったのはなぜですか?

現在の教室の黒板は、実際にはホワイトボードの一種です。教室の黒板は通常、黒ではなく緑色ですが、主な理由は次のとおりです。

教室の黒板が黒ではなく緑になっているのはなぜですか?
1. 目の疲れが少ない:緑色は人間の目への刺激が少なく、黒い黒板に比べて、緑色の黒板は、長時間黒板を見つめているときの生徒の目の疲れを軽減できます。これは、生徒の学習成果と視覚の健康に有益です。

教室の黒板が黒ではなく緑になっているのはなぜですか?
2. 優れた表示効果: 緑色の黒板は反射率が高く、白または色付きのチョークで書かれた内容をよりよく表示できるため、生徒がはっきりと見やすくなります。
3. 優れた反射防止性能:緑色の黒板は光反射性能が優れているため、光の反射や屈折を抑え、生徒の視覚への反射の干渉を減らし、学習効果を高めることができます。
4. 耐久性が強い:グリーン黒板は一般的に磁器またはコーティングされた材料で作られており、耐久性と耐摩耗性に優れ、長期間の使用や拭き取りに耐え、耐用年数を延ばすことができます。
要約すると、教室で緑色の黒板を使用することで、生徒の視覚的健康を保護し、学習成果を向上させ、優れた耐久性と表示効果が得られます。

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