Unit 12 (Let’s do an experiment)
The lesson is about a science experiment. We need: a plastic bottle, a balloon and a bowl of hot water. The experiment shows that if air gets warm, it rises.
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اللغة الإنجليزية فصل ثاني
السادس
Unit 12 (Let’s do an experiment)
The lesson is about a science experiment. We need: a plastic bottle, a balloon and a bowl of hot water. The experiment shows that if air gets warm, it rises.
.