Friday, December 5, 2008

weather fronts

Cold Front-when cold air comes into contact with warm air. it causes a storm to occur
Warm Front- when fast moving warm air, comes into contact with slow moving cold air. it pushes the cold air forward which causes faster moving cold air ad soon a cloud is formed
Stationary Front- when cold air and warm air meet each other and there going the exact same speed and have no power over the other, it causes a stationary front
Occluded Front-when cold air meets another cold air thing the cold air with more speed pushes the other cold air with less speed and then a cloud forms
Which type of front occurred this week to bring the cold weather and then snow? cold front

Tuesday, December 2, 2008

Thursday, November 20, 2008

Lima to cape town

Travel time:15 days
Direction traveling:south then northish
Were you successful? yes
How many attempts?2
How were you successful?i use the winds
What winds did you take advantage of or compete with during your travel? the prevailing westerlies

Havana to london

Travel time:9 days
Direction traveling:east
Were you successful?yes
How many attempts?1
How were you successful? i sailed through the winds
What winds did you take advantage of or compete with during your travel? horse latitudes, prevailing westerlies

sanfransico to sydney

Travel time:13 days
Direction traveling:south west
Were you successful?yes
How many attempts? 2
How were you successful? i sailed to the target where i was supose to go
What winds did you take advantage of or compete with during your travel?horse latitudes, trade winds, doldrums, prevailing westerlies

Tuesday, November 11, 2008

Ozone

Ozone is a form or oxygen that has 3 oxygen atoms in each molecule, instead of usually 2.It is found in the stratosphere and it helps block out Ultra violet rays from the sun. Ozone is bad when it is in the troposphere. it is bad for our breathing plus when the ozone is in the troposphere its not blocking out UV rays which is very harmful for our skin. ozone is good when it is in the stratosphere because it blocks out the UV rays which are harmful to your skin. So as you can see, the ozone is an important part of our lives. it helps protect us from the suns harmful rays. yet it can also be bad for our breathing and inviorment.