Tag: Science

Learning The Science Of The Water Cycle

This term, we started learning science. We first started learning about the water cycle, including the steps. Here is a simple diagram of the water cycle.

 

 

 

 

 

 

 

 

To explain it in words, big bodies of water like the rivers, ponds and oceans get heated up from the sun, which makes the water evaporate and turn into water vapour, which is lighter than air, so it ascends to the clouds. The atmosphere gets colder and the water vapour condenses into the clouds. The water droplets get colder and they get heavier until they drop. They then run off mountains into the soil or again, back into big bodies of water.

The reason why the water cycle is very important is because it has the same functions as recycling water, but the earth does the job instead of us. After learning more about the water cycle, we did a science experiment to mimic the water cycle in a bag.

All you need to do the water cycle in a bag is any kind of a sandwhich bag and a black marker, including water.

To do the experiment, get your sandwich bag and lightly use a black marker to draw some mountains, the sun, the clouds, and the sea. Fill the sandwich bag with water until it reaches the water. Put the bag near a window for the sun to shine on it. You can check the experiment at different times to see what part of the water cycle its on.

Here is the photo of the experiment.

About Hauraki Gulf Marine Reserve

On Monday, room 7 and I were learning about the Hauraki Gulf Marine Reserve. Here are the facts about the Hauraki Gulf Marine Reserve:

The Hauraki Gulf Marine Reserve is 60 metres deep and it is 1.2 million hectares long, and if you convert that to acres, it is 2965264.578 acres, and if you convert that to square metres, is is 12000000001.595 square metres or 12 billion square metres.

It is also one of the biggest marine parks in the world and it is very different compared to other marine parks. Over 25 percent of the southern hemisphere’s marine mammals have been seen in the Hauraki Gulf Park.

It is also visited by more than 20 percent of the world’s seabirds. Hauraki Gulf  is known for being the largest marine reserve in New Zealand. In Hauraki Gulf, there are 6 marine reserves. There are more than 50 islands in the Hauraki Gulf Park.

The most well known islands are Rangitoto, Motutapu, Waiheki, Aotea / Great Barrier Island, Tiritirimātangi and Goat island.

Press this link to hear and see the facts in a slideshow!

 

 

 

 

 

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