Jesse Jackson

For my blog today I'am going to talk about Black History Month. For my blog I'm tell you about Jesse Jackson. I'm going to tell you who he was and what he did that was important to Black History Month.

Jesse Jackson was born in 1941 Greenville, South Carolina. He graduated in a high school called sterling high school. He has got a football degree in the university of Illinois and then he transferred to the North Carolina Agricultural and Technical College in Greensboro. He became active in sit ins. Sit ins is when he protested about being unable to eat or drink there.  

North Carolina 

In 1965 Jesse Jackson met Martin Luther King Jr. Jesse Jackson met him at the Selma March a effort to register black voters. In 1962 Jesse Jackson was a leader of the Chicago branch of operation breadbasket. That program tried to give opportunities of jobs to blacks. He was very good leading the Chicago branch of operation breadbasket.   

In 1979 he decided to take place in the civil rights movement. He went to Israel, Lebanon, Egypt, and Syria to make peace. Later he created peace in the middle east. Later in 1984 he ran for President. He did not make it but he had 450 delegates and had way more than Shirley Chisholm. He believed that the government should spend more money on people instead of weapons for war. In 1988 he ran for president again and did way better. He had gotten 1200 votes but he did not get chosen for president.
  

                            

 And that was my blog on Jesse Jackson

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Inner Planets

For my blog post I'm going to talk about the inner planets. I'm going to talk about what the inner planets have in common and the different kinds of atmospheres in the inner planets. I'm even going to tell you why Venus is hotter than Mercury and why there is life on Earth and not on the other planets. 

The four inner planets 

The four inner planets are Mercury, Venus, Earth, and Mars. They are similar because they are made out of rocky materials like rock and they are the closest to the sun. The inner planets are also called the terrestrial planets because they are all made out of rock and metals and the planets have a solid outer layer.

  

This is what the inner planets  might look like

 Mercury

Mercury is the closest to the sun but not the hottest planet. Mercury is also the smallest planet. Mercury has no atmosphere because its gravitational pull is not strong enough to hold the gases close to it surface. Mercury has no atmosphere because its mass is so small. If Mercury has no atmosphere then there is no wind on mercury. 

Mercury

   
Venus
Venus is the second farthest from the sun and the hottest planet. Venus is hotter than Mercury because Venus atmosphere is so dense it is 100x denser than earths so all the gases and heat gets tapped in Venus. Heat gets trapped on Venus and Venus gets so hot that even when it's nighttime its still almost 460 degrees c. 97% of Venus's atmosphere is made up of carbon dioxide. Venus's clouds are made out of vaporized acid so it can burn through steel.

Venus

Earth

Earth is the only known planet with liquid water and life living on it. A small amount of gas and water vapor helps make up Earth's atmosphere. Earth is the third farthest from the sun and is about 1.00 Astronomical Units away from the sun and Earth only has one moon. Earth is the only known planet with life on it because in order to have life you have to have water and air. The temperature of the planet has to be just right so life can not burn to death.   

   

Mars
Mars is called the red planet because of the iron rocks which creates a rusty dust on the planet. Mars atmosphere is thin and is about 90 percent carbon dioxide.  The planet has two moons Phobos and Deimos which might be two captured asteroids. The average temperature on Mars is about 55degrees Celsius. Scientist think there might be life on mars and they think that because of the frozen ice caps on Mars.  

SPACE

For my blog I'm going to talk about space and our solar system. I'm going to tell you about what a planet is and the difference between a inner planet and a outer planet. I will compare and contrast a period of revolution and a period of rotation. I will tell you much more about the space and our solar system and how it works.                                                                                                                                              

Planets are celestial body's that orbit around a star. Inner planets are different from the the outer planets because the inner planets are made out of rocks, minerals, and metals similar to the Earth. The Inner Planets are Mercury, Venus, Mars, and Earth. The Outer Planets are mostly trapped gases like Helium, Hydrogen, and water and they are just the rest of the planets in our solar system except Pluto.    

A period of rotation is the amount of time for an object to rotate on its axis. A period of revolution is the amount of time when something orbits around an object. They are similar by rotating around something and rotation is different because it means to rotate on something but revolution means to rotate around something. 

Dwarf planets are similar to planets because to be dwarf planet it would have to be orbiting something and be almost round like a planet. Dwarf planets are different from planets by their shape and size because dwarf planets are smaller than planets and are not usually round as the planets.      

A planet's shape of an orbit is elliptical. Elliptical is a curved shape and the obits shape can be a oval. Planets orbit the sun by the sun's gravitational pull and nothing really can stop it because the gravitational pull is so strong. The closer the planet is to the sun the faster the orbit is because the planet would have to travel a less distance and the planets farther away obits slower because it has a much longer distance to travel.Asteroids are rocks orbiting the sun and are made out of minerals and rocks. Comets are body's that contain ice and dust that go extremely fast.   

shape of an orbit

  

this is an asteroid 

this is an comet

click here for asteroids 

click here for comets

And that was my post on space!!!

Ocean Waves and Tides

For my post I'm going to tell you what causes ocean surface waves and ocean tides. I'll even going to explain many vocab words. Ocean tides is the rising and falling action of the ocean waters. Ocean tides occur when the moon and sun have a gravitational pull on the Earth. The moon's gravitational pull is stronger because it is closer to the Earth than the sun. The moon causes the Earth's ocean to bulge outward so the side facing the moon has a high tide and the side that does not face the moon has a low tide. The strongest tide is called the spring tide because the sun and moon are combined of the gravitational pull. The Neap tide is the lowest tide and it comes twice in a month, comes in the first and third quarters of the moon.      

Ocean surface waves occur by the wind so it turns into small ripples than into waves and the harder the wind the more powerful the wave is. A wavelength  is the distance between a the two points of the waves. The wave height is the height of the wave. Trough is the lowest part of the wave and the highest part of a wave is called the crest. Tsunami's are over sized waves caused by earthquakes, volcanic eruptions, and landslides beneath the ocean. The sea level is the horizontal plane of the sea or the level between high and low tide. Tidal range is the difference between the high tide and the low tide. 
  


CLICK HERE to learn about the Moon and ocean tides...
CLICK HERE to learn about ocean surface waves...








































    

OCEANS

For my blog im going to talk about oceans. Im going to tell you why oceans are so salty, the sources of Earth's oceans, and I will show you some features of the ocean floor.

 
First, I'm going to tell you why oceans are salty. Oceans are salty because when water flows through a river the water picks up tiny amounts of minerals then ends up in the oceans. Rain or water will pick up dissolved minerals, salts, and sediment that ends up in a river or somewhere then will eventually end up in the oceans too. 

Since the oceans cover about 3/4 of earths surface so with all the air above the water it has a lot of renewable energy like wind energy, oceans current energy, and much more energy.




Now I'm going to tell you about the oceans features. The ocean has many features like mountains, active volcanoes, trenches, and animal life.

 Most active volcanoes are in the mid-ocean ridge. The mid-ocean ridge is located at the Southern Pacific ocean, Atlantic Ocean, and Indian Ocean.
  (Map of Mid-Ocean Ridge)
A trench is a steep, long, part of the ocean and descends lower than other parts of the ocean. They are formed by the movement of the tectonic plates. The deepest trench we know of is the Mariana Trench in the Western Pacific and is 36,198 feet long.     

The marine animals are divided into 3 groups. The zooplankton group which float and stays at the top of the ocean. The nekton which rapidly swims around the ocean. The benthos which stay on the bottom of the ocean floor.


Links that I used:Click here to read about life in the oceans..

                           play games about oceans..





























  
  












    

LEAVES!!!!

Today i am going to tell you how leaves change color in this time of year and why the sunlight is less in the fall. I am also going to talk about how the seasons change.

  
Leaves change colors because this time of year has less sunlight so trees shut down and can not produce anymore chlorophyll then it fades away.In the summer or spring chlorophyll completely covers the leaves so really they have colors underneath them instead of green.  
   Chlorophyll
In this time of year there is less sunlight because the Earth is tilted more away from the sun. This process is the same as when the seasons change because the Earths is tilted on its axis.
       

Click here to see video on leaves
Click here for long dictionary reading about leaves
Click here for a leave Jig-saw puzzle





And that was my blog on leaves!!!!!

Volcanoes

Hello today i'm going to talk about volcanoes. Volcanoes are formed by when two tectonic plates push against each other and magma pours out. Than the lava cools down and it would keep on creating layers which would eventually get higher and higher.      



Hot Spots are volcanoes that are not connected  with plate boundaries. Hot Spots form deep under Earths mantle. They come up from the ocean and starts getting taller and taller until it comes up to the surface. Later on tectonic plates moves over a hot spot and it gets pushed away. So the ones that are furthest away from a hot spot the older it is. The volcano that is directly above a hot spot is the youngest. 
Volcanoes erupt by the magma chamber filled up with too much magma and eventually it would explode. There are two different type of eruptions. First there is silent eruptions. Second there are violent eruptions. All types of magma and lava can flow because they have viscosity which is a liquid resistance to flow.  


   SILENT BUT DEADLY
  VIOLENT VOLCANO

Shield volcanoes are usually found among the tectonic plates or the oceanic hot spots. They are large volcanoes that has a smooth like surface and they are shaped as a shield. Shield volcanoes are formed by basaltic lava. An Composite volcano is a large and tall volcano which are formed by andesitic and rhyolitic lava and volcanic ash. Cinder Cone volcanoes are small and steep-sided volcanoes which almost looks like an Composite volcano. They are formed by gas-rich, basaltic lava.  
 
  
  
  
                                 volcanic ash


And that was my blog on volcanoes!!!!!!!!