weather

In school we have started a new topic weather and natural disasters, but at the moment we are just studying weather. Me and my partner were looking at wind, here are some types of winds, calm winds, light air, light breeze moderate breeze and fresh breeze, moving on to strong winds,  moderate gale, fresh gale, strong gale, whole gale, storm and then hurricane.

what is wind is the movement of air from a high pressure area to a low pressure area.

by jack and joe

hailstones

Hailstones are formed by layers of water attaching and freezing in a large cloud.  The biggest cloud of all is cumulonimbus which was really devastating as there was enormous hailstones the hailstone size went from 5mm to 200mm!  Hailstones fall so quickly they don’t have a chance to melt. Hailstones are actually more common in summer because there is more energy available at warmer times of the year. Warmer weather might actually result in a stronger updraft, an updraft is an up current of air. So the water rises up and freezes so that’s how we get more hail stones in summer.

by Dakota and Daisy

Tornadoes

Tornadoes are among the most violent storms on earth due to the damage it can cause to people and buildings.

How tornadoes are caused?

the hot weather super heats the ground and it causes the heat to rise. When the hot are meets cold air that causes storm clouds. This can cause thunder, lightning and rain it can also cause an air explosion. That starts the wind turning. Then it forms into a funnel and below the storm clouds is a Tornadoes.

Hurricanes

Hurricanes are powerful storms and violent winds that form over water.

Hurricanes are a tropical storm that form in the Atlantic ocean with wind speeds of at least 119 km (74 miles) per hour.

It’s only when they move over land that their power can be seen much more clearly.

Hurricanes have 3 main parts, the calm eye in the center, the eye wall where the wind and rain are the strongest and then the rain bands which spins out from the center. That gives the storm it’s size.

Hurricanes with wind moving faster than race cars can tear down houses and lift up heavy vehicles often destroying everything in there path.

 

By Orla and Kaitlyn

All About All The Different Rocks And Weathering!

Hi its Cleo. I will be talking about rocks with my friend Daisy! The three types of rock sedimentary, metamorphic and igneous. We  were also learning about Earths core. The 4 things that are in the core is the inner core, outer core, the mantle and the crust which we live on. The sedimentary rocks get blown away by the wind and get took away by ocean waves. Igneous is made by dried up magma and dried up lava. Metamorphic can create one rock to another through pressure. Sedimentary turns to limestone and limestone creates glass. Igneous makes granite for houses. Metaphoric makes marble which is used for sculpting. Weathering is quite amazing because it can do many things to rocks. In the desert rocks heat up in sun and expand but during the night the rocks shrink down, although when it rains the rock starts to crack or even split. Water and Nature can also split/crack rock only differentially, Water can slide through the cracks of a rock and when it gets really cold it freezes and expand therefor splitting the rock. Although when nature splits a rock it is usually caused because of the roots that spread out and crack the rock!

By Daisy And Cleo

earths layers

the earth has four layers the inner core, outer core, mantle and the crust. the crust is the layer we live on. the the thinnest bits of the crust are about five km thick.

the mantle is the 2nd layer it is the thickest layer of earth. the mantle has magma in it witch is also no in as lava. lava is the stuff that comes out of volcanoes. you can find diamond in the mantle. diamond gets transported in volcanoes.

outer core

the outer core is made of liquid iron and nickel. its the third layer.

space

hi! its Bruce back with another update from Holywood primary school.

p 5-7 have been learning about space there is 8 planets in our solar system mercury. Venus. earth. Mars .Jupiter then Saturn Uranus Neptune Pluto was the 9th planet from the sun because it was so small it was classified as a dwarf planet  mercury is the closest planet to the sun there is 4 rocky planets and four gas giants the gas giants are     made out of different gases did you know more than half of the earth is covered in water. by Bruce p5           

rocks!!

Today at school we were studying rocks there were3 stations first was dripping water on different rocks to se if it went through them or not  only one rock I tested actually did anything when I tried the chalk the water actually went through it! I know I didn’t  think it would either. Next we did rock identification I didn’t get much time at this station so cant tell you much about that, but I can tell a lot about my favourite station was the scratch test this is when you test if your rock is a soft rock or not.

by Joe

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