Question

·         Is the temperature of a wet surface different from a dry surface? Why or why not?

·         How does cloud cover affect surface temperatures?

 

Abstract

We went outside and took surface temperatures with the IRT and then put the data in a graph and made a power point.

Hypothesis

·         Yes, ground is more dense/slippery when wet.

·         Cloud cover makes the surface temperature colder.

Procedure

·         We went outside and use IRT scanners to can the surface temperatures.

·         Wrote down the temperatures

·         While taking that we also timed each one to see the difference it would make.

·         Got all the data together

Collect Results

We will have to look at the times that the temps. Was taking, how much cloud cover was that day, if the surface of the ground was wet or dry and that will tell if the surface changes when the ground is wet vs. dry weather.

 

Analysis

 



	temp	cloud	wet/dry
11:09 AM	42.7	90	dry
11:10 AM	34.5	10	dry
9:13 AM	13.8	25	wet
9:12 AM	17.1	100	wet

 

Conclusion

Looking over the data it turns out that the surface temp was colder when it was wet and had more cloud cover then when there was little cloud cover and hotter.

Presentation

Brief Power Point based on your report and delivered to the class

 

 

 

 

 

 

 

 

 

movie question

 

how did Joe reach speeds of 60mph during free fall from 90 miles up when terminal velocity is 120mph.?







 

 

 

he fell faster because he fell from the stratosphere instead of the troposphere.

 

 



 



surface temp. project

https://docs.google.com/viewer?a=v&pid=gmail&attid=0.1&thid=141c1d647e17ecae&mt=application/vnd.openxmlformats-officedocument.wordprocessingml.document&url=https://mail.google.com/mail/?ui%3D2%26ik%3Df69f9f71a3%26view%3Datt%26th%3D141c1d647e17ecae%26attid%3D0.1%26disp%3Dsafe%26realattid%3Df_hmupbdhq0%26zw&sig=AHIEtbQ3RTPHMyxbp79TGIK7ojYFjlv9Jw

notes

 

 

 

• the atmosphere is how the earth is protected from harful rays and extreme tempatures.
• also the earth made the ozone layer that also help protect from harmfull rays.
• there are 5 layers of the atmosphere
• which are troposphere, stratosphere, mesosphere, thermosphere.
•  tropospher is the lowest layer
• weather happens in the tropospher
• most of the heat the is in the tropospher comes from the earth
• stratosphere is right above the tropospher
• air crafts fly in the stratospher
• ozone layer is in the stratosphere
• mesosphere is above the stratospher
• mesosphere is the coldest layer
• rocks and meteors burn up here
• thermosphere is the thickest layer
• exosphere is extremly thin
• outter layer where space shuttles orbits
• molecules are more densely pack at the surface
• our life depends on the ozone layer
  the ozone layer helps protect us from harm full rays and hot tempatuers
• either the sun energy is absorbed or reflected
• when the sun has energy it is more likely that anything that is dark in color will absorb the heat and anything that is light in color will reflect the energy back to space.

 

 

solar system presentation.

Big Crunch Theory

 

The big crunch theory is some what about the big bang theory only it has a twist. The big bang happens but while is going apart it ends up come back together. But I don't think that it happened because I don't see how it would come back together. Its said that the universe was shrinking but in todays time its getting bigger. So I don't see how it could happen if things how are getting bigger but in this theory its statement was that it was getting smaller.

 

 

The Big Bang Theory
 

 

The big bang is said that the universe happened because a small amount of matter expanded and exploded and ever since it has been expanding back then the universe is expanding still. When the big bang happened it was very hot. I think that this theory is better at explaining how the universe happened because that would explain why the universe expands.

 

 

The Ekpyrotic Theory

Hoyle said that the big bang theory never happened. He thinks that the earth has always looked the way it does now. That nothing has changed from then to now. He says that the big bang theory cannot be in scientific tearms meaning that it dont have a background of evidence saying that it happed. In the steady state theory they was saying that the density was always the same but with the big bang it was saying that it was always changing to a higher density.



Steady State

 

Hoyle said that the big bang theory never happened. He thinks that the earth has always looked the way it does now. That nothing has changed from then to now. He says that the big bang theory cannot be in scientific tearms meaning that it dont have a background of evidence saying that it happed. In the steady state theory they was saying that the density was always the same but with the big bang it was saying that it was always changing to a higher density. 

Big Bang Model

 

Everyone in the public thinks that the big bang model is just when the earth started out as a single point and had an explosion. When in relatity it wasnt an expostion and thats whats wrong with it. it never has been because of an explostion just people always thought that so now thats what people think it is. It is accualy streaching of space and how everything is moving away from each other. There are people who think that this never happpend, when it has happend the past 15 billion years. One thing that they have is the inflationary theory and that says that the universe began hot and dense. The ekpyrotic proposal is saying that the univers was created because two three-dimensianal worlds came together to form one and said that it ended up being a flat universe.