Wondering: i know that salt eats away at ice so would any other powder substance eat ice

Hypothesis: i think that baking soda will melt ice the quickest 

Materials: salt baking soda citric acid sugar 5 same size containers with half a cup of Frozen water frozen overnight

Variables: 

Control:      the amount of powder and the water

Dependent:     the powder that you use

Independent:     how quickly the ice melts and what powder melts the ice the quickest

Procedure:  

Put  ½ cup water in the 5 containers in the freezer

put ¼ cup of the powders on the ice 

Wait until ice melts

Results/Observations: I observed that the ice underneath the salt was melting the fastest and the sand was melting the slowest and the others were  behind the salt by a bit

Conclusion: This is why the salt melted the fastest out of them all,  when the salt is put on the ice the lowers the freezing rate of the water so it speeds up the process of the ice melting, a real-life example is when frosts happen you could put some salt on it and the roads and the footpath and it won't be as slippery any more for cars or people and not as dangerous. 

This is my literacy for the week we watched ice melt with different powders the powder were sand, salt, sugar, baking soda, and citric acid.

have you ever done an experament like this?

Mentos experiment

Kia ora bloggers, today we were doing an experiment on do other carbonated drinks react with menotos and I was correct every carbonated drink does some type of explosion, there are some videos of the experiment on the slide.

 have you ever tried something like this 

oily oil

Oil is in and around our world, even in places you wouldn’t imagine. We use oil for cooking but we also use crude oil. The pumping and transporting of crude oil around the globe often have environmental effects. We have looked at various texts and videos to learn about some of these effects, and it ‘good’ timing as there was a recent oil spill (24 July 2020) in Mauritius that we could investigate.

Check out my video to learn more about oil, and see the simulation we did in class about cleaning oil from water.

Super Samoan Animation

Hello for bloggers today we are learning about the Samoan language, we had to make an animation about the language. If you have already watched it  you may not know what it is saying so this is the words in English, Talfoa means hello, 'O a mai 'oe means how are you, Manuia fa'afet means well thank you, Manuia fo'i fa'afetai means I am fine also thank you, Manuia le also means have a good day and tofa means goodbye.

literacy

This week in literacy we were looking at what liquids melt ice the fastest in. We used salt water, vinegar, soy sauce, lemon juice, V energy drink, citric acid water, and water. I thought that the vinegar would melt the ice the fastest but I was wrong the normal water melted the ice the fastest coming in at 14 minutes and the vinegar took 39 minutes, the longest one took 51 minutes and that was the saltwater. Why do you think that the salt took the longest and the water took the shortest?