By: Jahmel Roache Weather Fronts Ms. Allen The Four Types of Fronts Science Vocabulary Front- a boundary between air masses with different temperatures. Cold front- a front where cold air moves in under a warm air mass. Warm front- a front where warm air moves in over a cold air mass. Occluded fronts- when cold air is replacing cool air with warm air above. Science Vocabulary(continued) Stationary front- occur when neither warm nor cold air advances. Learning Objective Students will be able to identify and name the properties of all four weather fronts. Problem Question Is their any other type of front scientist have not discovered yet? Hypothesis If there are four types of weather fronts, then are they connected with the four types of seasons? Purpose/Focus The purpose of this project is to study the properties of fronts and be able to identify a front in the clouds. Today, we will focus on the four weather fronts and how their importance in the meteorology. Science Fair Project Cloud Coverage Devaun Singh Elijah Jones Class 708 Observation The clouds move from left to right. In the night time you really cant see it. The thing about clouds are that you can right through them. It may look like its a solid but its not. A cloud is just a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth surface. Thats all clouds are. When it rains the water can get in the cloud and stay there. Thats only sometimes. Problem How long does Cloud coverage take to take over the sky? How does it cover? Hypothesis What I think about this project/topic is that its good. I have a advantage and so do the kids. We have the chance to learn something else. We did this project to learn new things that we did learn in class and teach it to other students. Purpose The purpose is to teach these kids something new. Its a chance to see how cloud coverage works. Research We have got our information from the internet and a cloud scanner. You could say google. Materials 1. Scanner 2. Clouds 3. Sky Procedure 1. First you need to get a scanner. 2. Then you take the scanner outside. 3. Next you need to read what ever the radar on the scanner says. 4. Lastly, fill in the data chart so you know the cloud coverage. Data Days Thursday Friday Saturday Sunday Monday Cloud Coverage Partly Cloudy Mostly Cloudy Partly Cloudy Analysis We had to use the scanner to measure the cloud coverage of the sky. Then we had to compare it to the meteorologist calculations. Some of the professional calculations were wrong. Some of ours we correct. Conclusion In conclusion, we see that the professional calculations are sometimes wrong about cloud coverage. Our clouds play a big part in our lives. It produces rain so that the earth can cool. Project by- Joshua Nwambuonwo Teacher- Ms. Allen Class 707 Purpose The purpose of this lab is to explain the effect of the ice cube in a glass of vegetable oil. Also, to determine whether it sinks or swims. The purpose of this lab is to explain the effect of the ice cube in a glass of vegetable oil. Also, to determine whether it sinks or swims. Problem If you put an ice cube in a glass of vegetable oil, will the effect of it come to it to be sinking or swimming? If you put an ice cube in a glass of vegetable oil, will the effect of it come to it to be sinking or swimming? Hypothesis I think that if you put an ice cube in filled glass of vegetable, the ice cube will sink to the bottom of the glass. I think that if you put an ice cube in filled glass of vegetable, the ice cube will sink to the bottom of the glass. Materials 1.Tall glass or jar 2.Vegetable oil or other cooking oils will do 3.Ice Cube 1.Tall glass or jar 2.Vegetable oil or other cooking oils will do 3.Ice Cube Key Terms The key terms for this lab are sink, swim, and molecules. The key terms for this lab are sink, swim, and molecules. Sink- to descend to the bottom or submerge Sink- to descend to the bottom or submerge Swim- to move through water by means of the limbs, fins, or tail Swim- to move through water by means of the limbs, fins, or tail Molecules- a group of like or different atoms held together by chemical forces Molecules- a group of like or different atoms held together by chemical forces Procedure 1. Fill glass 3/4 full with vegetable oil 2. Place an ice cube in glass and watch what it does - Does it sink or swim? 3. As the water melts, watch what happens - Does is sink or swim? 1. Fill glass 3/4 full with vegetable oil 2. Place an ice cube in glass and watch what it does - Does it sink or swim? 3. As the water melts, watch what happens - Does is sink or swim? Observation While doing this experiment, I observed that when the water was frozen, molecules expanded and took up more room than when they were liquid. Because both the ice cube and water weigh the same, the ice cube is less dense when it floated in oil. While doing this experiment, I observed that when the water was frozen, molecules expanded and took up more room than when they were liquid. Because both the ice cube and water weigh the same, the ice cube is less dense when it floated in oil. Conclusion I was wrong. When I put the ice cube in the glass of oil, it swam in the glass. It didnt sink. My hypothesis turned out to be incorrect. I was wrong. When I put the ice cube in the glass of oil, it swam in the glass. It didnt sink. My hypothesis turned out to be incorrect. Bibliography nts.htmnts.htmnts.htmnts.htms/Ice_cubes_openphoto.pngs/Ice_cubes_openphoto.pngs/Ice_cubes_openphoto.pngs/Ice_cubes_openphoto.png