Friday, December 5, 2008
Weather Fronts
There are four different kinds of fronts. Cold fronts are one of them. When there is a cold front the cold air goes under the warm air causing the warm air to rise. That makes it colder instead of warmer. Another kind of front is a warm front. What happens when there is a warm front is the warm air pushes the cold air out of the way causing the warm air to take its place and makes it warmer. Another kind of front is a stationary front. During a stationary front warm air and cold air mix causing thunder storms. The last type of front is a occluded front. When there is an occluded front there is a warm air mass caught between two cold air masses. The weather near the ground becomes cooler and water vapors condense and the weather may become cloudy rainy or snowy. Those are the four kinds of weather fronts.
Tuesday, December 2, 2008
Thursday, November 20, 2008
Lima, Peru (11 S) to Cape Town, South Africa ( 30 N)
Travel time: 15 days
Direction traveling: North East
Were you successful? Yes
How many attempts? 5
What winds did you take advantage of or compete with during your travel?Prevailing Weserlies
Direction traveling: North East
Were you successful? Yes
How many attempts? 5
What winds did you take advantage of or compete with during your travel?Prevailing Weserlies
San Francico, United States (30 S) To Sydney, Austraila (29 N)
Travel time: 12 days
Direction traveling: South East
Were you successful? Yes
How many attempts? 2
What winds did you take advantage of or compete with during your travel?Trade Winds
Direction traveling: South East
Were you successful? Yes
How many attempts? 2
What winds did you take advantage of or compete with during your travel?Trade Winds
Voyage 1 Havana, Cuba (25 S) to London, England (52 N)
Travel time:9 days
Direction traveling: North
Were you successful? Yes
How many attempts?6 attempts
What winds did you take advantage of or compete with during your travel? Prevailing Westerlies
Direction traveling: North
Were you successful? Yes
How many attempts?6 attempts
What winds did you take advantage of or compete with during your travel? Prevailing Westerlies
Tuesday, November 18, 2008
Wednesday, November 5, 2008
Acid Rain
Have you ever heard of Acid Rain? Well acid rain is very harmful to us humans and plants and animals. Acid Rain contains more acid then normal rain. Acid Rain is formed by the burning of a lot of sulfur,which produces sulfur oxides. Acid rain is very strong. It is so strong it can damage the surfaces of buildings and statues. Acid Rain harms ponds and lakes which is harmful to plants, amphibians, fish and insects so they can no longer survive. Some actions that humans can take to prevent Acid Rain are not burning so much coal so that there is not as much sulfur oxides in the air. That is what Acid Rain is, does and how you can prevent Acid Rain.
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