“Our journey started with identifying how we use water in our daily life and what sort of water sports we enjoy,” Machiko Sensei said.
“We continued with this theme, learning about animals living in the water, what objects float and what objects sink in water as well as water cycle.
“This week the students learned about what can be dissolved and not dissolved in water.
“After learning all the new vocabulary and expressions, students wrote down their predictions and shared them in small groups.”
One group said:「さとうは、水にとけるとおもいます。」(I think sugar dissolves in water.) While another group said:「あぶらは、水にとけないとおもいます。」(I think oil doesn’t dissolve in water.)
“The following day, the students were very excited to participate in the experiment to find out what did and didn’t dissolve in water. Taking turns, students added a table spoon of each substance in a glass of water and mixed it carefully,” she said.
“They paid close attention to the water and exclaimed 「とけます！」(It dissolves!) to find out their prediction was correct, while they demonstrated their disappointment when their prediction was incorrect.”
Machiko asked students what would happen if they added more sugar and salt.
“They were excited to share their predictions,” she said.
“When they found out that a large spoon of salt doesn’t dissolve in a glass of water, I showed them another glass with a big spoon of salt and water, which dissolved.
“The students discovered the answer was warm water.
“The students really enjoyed the experiment using the learnt expressions to share their ideas confidently.”