How do scientists learn about past climate ?;

1. What were you looking for in the artic ocean? In the artic ocean we were looking for how the climate was 10, 000 years ago .  At the bottom if there was little Ice back then if you found a lot of pollen you find a lot of ice.
2. What is a piston corer? A piston corer the tool made to go to through hard and deep floor  to get to the bottom of the ocean floor .
3. What is the PVC corer ? A PVC corer is a type of plastic that they feeeze and put inside the metal corer. It h as to get shipped to the ship .
4. What is the orange suit? A mustang suit allows ou to stay warm and keep you up to float. The mustang suit have a bright light on the pocket to find you if you falll over board.

Climate Change

1. How has the concentration of carbon dioxide in the atmosphere changed over the last 100 years ? The concentration of carbon dioxide in he atmosphere has changed a lot in the last 100 years .
2.How have temperature,ice cover, and sea level changed over the last 100 years? The temperature in sea level increased and the ice cover decreased.
3. What is the scientific consensus and does the data support this ?


1.whats the cause of the current global warming trend? The cause of the currentglobal cwarming trend is the human expansion of the greenhouse effect.
2.what are the gasses that contribute to the greenhouse effect? Water vapor , carbon dioxide, methane, nitrous oxide, and Chlorofluorocarbons are the gasses that contribute to the greenhouse effect.
3. What are some consequences of changing the natural atmospheric greenhouse? Some consequences are earth became warmer, regions may welcome warmer temperatures . Warmer conditions will probably lead to more evaporation and precipitation.Clouds drop more rain,sleet,or snow.A stronger greenhouse effect will warm the oceans and partially melt glaciers and other ice rise in sea levels, more co2 will be absorbed by the ocean. You will find warmer plants in warmer areas.
4.Why is solar irradiance not a reason for climate change ? Solar irradiance is not a reason for climate change because the sun has increased its heat energy and sending it to earth. The average amount of energy coming from the sun either remained constant or increased slightly. The top of earth is cooler than the rest of the planet.

Is climate change a Hoax?

 People deny that humans are the cause of the climate change today . I disagree i think humans are the cause of climate change today . I did research and according to this website http://goo.gl/bdcb32 there was information on how humans are the cause of global warming today . This is one way they explained how humans are the cause."Most climate scientists agree the main cause of the current global warming trend is human expansion of the "greenhouse effect warming that results when the atmosphere traps heat radiating from Earth toward space".

Glodilock Story

My characters name is Jaylen he is a young boy who is going to explore our solar system. He is a 10 year old boy who is very educated. He is new to our system and and he wants to see what our planets are like. Jaylen is going to explore Venus, Mars, and Earth. For Jaylen's journey he wanted to bring his favorite beanie just in case something scared him. Jaylen is not used to exploring our solar system so this is his first time. He is not supposed to go far but he did anyways.
The first planet Jaylen is going to visit is Venus. He goes to Venus and explores and he walks around for a while and he realizes its too hot for him. Jaylen looks at some signs that tells information about Venus. Jaylen named three facts about Venus his first one was its an extremely dense atmosphere too much CO2. The second one was There is a greenhouse effect. The third one was the blanket around Venus is whats making it so hot. Jaylen didn't like Venus at all .
The second planet Jaylen visit was Mars , he was new to this planet. He goes and walks around Mars for a little and he realizes he doesn't like its too cold. Mars has signs to tell people information too .Jaylen looks at the signs and it gives him three facts. The first fact was Mars is too cold for him. The second fact was Mars has no atmosphere around. The third fact was that the amount of CO2 is insufficient for warming. Jaylen the realized he didn't like Mars either , Mars is too cold for him.
The Third planet Jaylen visit was Earth . Jaylen walks around Earth and he notices its just right at temperature and everything else.Jaylen walks around for a while and he finally reads the signs for earth he gets three facts. the compositon of earth is due to the presence of life. The second fact is Earth has a atmosphere. The third fact is that the plants in earth is what makes our life so prefect because the cause photosynthesis.
This sums up my story Jaylen end up liking Earth as his best Planet . Jaylen found out the average amount for each planet. Jaylen knows that Mars is an average of 47 degrees celsicus. He knows earth average amount is 15 degrees . He also knows that Venus is 477 degrees celsicus .

Energy Buget

1. whats the definition of energy? Energy is the ability to do work
2. What are 7 types of energy? 7 Types of energy are , Heat, Light , Motion, Electrical, Chemical, Nuclear, and Gravitational.
3.what are the 3 sources of earths energy? The 3 sources of energy are The sun, earths core, and fossil fuels
4.what is the major source of earths energy?The sun
5.whats the primary source of energy for humans?Fossil fuels
6.What happens to the suns energy coming to earth? the sun energy is being reflected
7.what parts of earth absorb the most and least energy?the sun absorbs the most energy and the polar ice absorbs the least energy
8.what % do oceans and rain forrest absorb? The ocean absorbs 75% and the rainforrest absorbs 85%
9.What % do deserts and poles absorb? The deserts absorb 65% and the poles absorb 15-60 %

What caused the Demise of the dinosaurs ?

What caused the demise of the dinosaurs ? The demise of dinosaurs started in Pangia, The demise of dinosaurs happened because of multiple reasons , for example Mammals became bigger and competitive, drifting isolated continents touched each other, new diseases spread, the climate was getting colder, increased volcanic activity, acid rain. The demise of dinosaurs happened because Mammals became larger and the mammals became very competitive against each other. The continents that drifted touched each other and that also made the animals more competitive and they had to share food. New diseases spreading made the animals sick and they would die. The climate getting Cold , but the Mammals needed warm weather. Increased volcanic activity effected the sun light, without the sun light that would also effect the plants. The acid rain made the air hard to take in and breath.

Galaxies Newspaper Article

What are galaxies? Galaxies are groups of stars,dust,and gas ,Galaxies are basically everything. There are billions of galaxies in our universe.Galaxies come in three different sizes , for example spiral, irregular, and elliptical. An elliptical galaxy is shaped like a sphere, or ball. An irregular galaxy have no regular shape.On average most galaxies contain billions of stars. I think the three most important things about galaxies are galaxies are so big that they are measured in light years. The largest galaxy is so big its measured 6 million light years across. Three main components bulge, Disk, and Halo. Stars in our galaxy make up most of the mass we can detect in the universe. Earth is located on the arms of the milky way.Our solar system is located 28,000 light years from the center of the milky way. The milky way is a spiral galaxy. The milky way is 100,000 light years across.

Is earth unique ?

1. Milky way is the name of the earths galaxy

2. Eric Petigura is astronomer that found out that 1 out of 5 stars that they found that had the earth like planet that are in the Goldilocks 

3. Yes , Sara Seager which is another astronomer said that Erick's findings are credible .

4. In this article , it says that Erick had a computer program and he put fake planets in the same program to see if he could out smart the program , but the program rejected his fake planets. This is what made his findings believable. 

1. An Exoplanet is a planet that orbits around another star but not our earth . 
2. Most exoplanets are discovered by looking for wobbles in a star’s motion caused by the pull of a nearby planet.
3. I think that Exoplanets have a life because 1 out of 5 stars that they found that had the earth like planet that are in the Goldilocks.
4. . If intelligent life was found i think humans would find it by sending a signal out. 
   

star / Sun Word search

1. What size is the sun ?
2. The supernova ends in what kind of stars ?
3. The sun uses what for fuel ?
4. Wht is the sun ?
5. What are we made from ?

sizing planets

Universe Rap

Think of our universe its so big
you couldn't dig.
 The universe is giant
 We are dafiant.
A giant star
Made us who we are.
5 billion years ago it was created
 We didn't know who made it .
The big bang theory is valid
 We started eating salid . T
he universe has thicken
 Then there became chicken .

predictions

Family or friends 1.My mom will give me a hug and say she loves me tomorrow 2. My friends will laugh with me in class tomorrow 3.Antonio will join the volleyball team in Spring The united States 4.The crime will go down by the end of the year 5.Obama care will start working at the end of december 6. Police will start arresting all criminals at the end of december The World 7.i predict the world will be very peaceful 8.I predict the world will be different by the time I'm an adult 9.I predict the world will have a bigger population the television 10.i predict my favorite show will come on monday 11.i predict the tv will have a new tv show in 4 days 12.I predict the tv shows will go down in a couple of months music 13. I predict music will become popular in a month 14. I predict music will dye down in a year 15. I predict music will start having a good meaning sports 16. I predict there will be a new sport in 2015 17. I predict sports will be bigger in a few months 18. I predict I will try every sport kearny high school 20. I predict kearny will have better spirt week 21. I predict kearny will have a good enviornment 22. I predict kearny will become popular

Stars and our Sun

1.Are we really made from stardust ? Explain 2.List 5 facts about the Sun 3.What fuel does the sun use ? 4.What are the 5 stages in the life of our sun ? 5.How much more life does the sun have ? 6.What size stars end in a supernova ? Why ?

 People ask are we made of stardust ? the answer is yes , we are made of carbon and carbon comes from nuclear fusion . Hydrogen is used by stars as fuel. Massive stars that die make up carbon. Sun is a star , Sun is a giant ball of gas and its average size. The sun is a main sequence (adult) and is powered by the nuclear fusion . Hydrogen is the fuel the sun uses . The 5 stages of the life in our sun is stellar Nebula, Average star,Red giant, Planetary Nebula, and White dwarf. The sun has 5 billion years to live from now . Massive stars end in supernova this is because this is how the planets were formed including the Earth

Welcome To My Science Blog

I am Kierra Davis and i was born in San Diego California . Both of my Parents are African American . I have 1 brother and three sisters . If i was stuck on i island i would take my phone with a first-aid kit and food. I have multiple hobbies I like to play Volleyball , because its fun and i get a good exercise. i also like to go shopping for fun. i like to learn spanish because i am getting to know a different language. i believe it will be helpful in the future. My family and i are all protective over eachother.