HSP Science Experiment: An Explanation

What’s Been Happening in H.S.P.

In H.S.P. we have had the pleasure of welcoming new students and we have been saddened to say goodbye to some who we have all grown so close to. In recent times we have said goodbye to Sophia (from Hong Kong) followed soon after by Robyn (from Korea). Many lasting friendships were made along the way and we wish them all the very best as they take up studies in high school in Australia and New Zealand.

It has been a difficult and sad time saying goodbye to 2 valuable members of our HSP family, but we wish them well as they pursue the challenge of studying in and English language high school! We hope to see you again someday.


This week we explored the topic of density through experimenting with oil and water. Our challenge was to test what happens when water is mixed with an equal amount of oil. We then heated and froze the mixture, and observed any changes that took place.

First thing’s first though … we needed to formulate a hypothesis. What was going to happen? Why was it going to  happen? The students got into 2 groups and, based on some prior research, put together a hypothesis. Now the fun part …

water-oil_normal_3We mixed the water and oil together. What happened?

No surprises here – the oil floated to the top! Next, we heated the mixture in a microwave. What happened?

Well, probably no surprises, right? Finally, we froze the mixture in a freezer. Drum roll …

water-oil_frozen_3The frozen water (ice) floated to  the top of the oil! What’s going on??

After a study in density, the students concluded that as the water turned to ice, it became less dense than the oil so it floated to the top.

None of the students were expecting this result. I guess we will need to modify our hypotheses!

Students completed the experiment by writing a scientific report detailing how we conducted the experiment, what happened and, or course, why it happened.

Needless to say, the students had a great time learning English through practical scientific experimentation. They can’t wait until we conduct our next experiment!

This week has been challenging but has been a whole lot of fun. Join us next time when we explore the human body systems in our PE lessons.

– Owen (Teacher of H.S.P.)


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