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Harrisburg Weather Watch Real Life Weather Phenomena In the classroom
 
The next set of slides are for printing and placing at lab stations.
STATION 1: MAGIC MOISTURE <ul><li>Question : when a glass filled with liquid is “sweating” where do the drops of water on ...
<ul><li>Background Information : Create A Cloud </li></ul><ul><li>Depending on the order your group is taking to complete ...
CREATE A CLOUD <ul><li>Materials: </li></ul><ul><li>1 liter clear glass jar with lid </li></ul><ul><li>ice cubes or crushe...
CREATE A CLOUD <ul><li>Question: What is the third (3 rd ) factor which must be present in order for a cloud to form? </li...
Create A Cloud <ul><li>. </li></ul><ul><li>Hypothesize: </li></ul><ul><li>What is the missing ingredient? </li></ul>
<ul><li>Now repeat all steps above, but after you filled the lid with ice, strike a match and drop the burning match into ...
<ul><li>Suspended Particles </li></ul><ul><li>Separate particles that are suspended in the air.  </li></ul>
Background Info : Cloud Trick <ul><li>In this experiment you will be making a cloud appear just as you did at Station 2. B...
STATION 3: THE GREAT DISAPPEARING CLOUD TRICK! <ul><li>Question :  How does air pressure affect temperature and cloud form...
<ul><li>Background Information : Just a Bag of Hot Air </li></ul><ul><li>In this activity you will be using three (3) simp...
STATION 4: JUST A BAG OF HOT AIR <ul><li>Question: How can you inflate a balloon without blowing into it? </li></ul><ul><l...
<ul><li>Background information : Rainmaker </li></ul><ul><li>In this activity you will be using the materials listed on th...
STATION 5: RAINMAKER <ul><li>Question: What causes precipitation? </li></ul><ul><li>Discuss with your group what might cau...
Next 2 slides goes with the rainmaker station.
 
(Precipitation) Earth’s Water Cycle
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Harrisburg weather watch2

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Harrisburg weather watch2

  1. 1. Harrisburg Weather Watch Real Life Weather Phenomena In the classroom
  2. 3. The next set of slides are for printing and placing at lab stations.
  3. 4. STATION 1: MAGIC MOISTURE <ul><li>Question : when a glass filled with liquid is “sweating” where do the drops of water on the outside of the glass come from ? </li></ul><ul><li>Procedure: </li></ul><ul><li>As a group, form a hypothesis based upon the question above. Record on your Eco-log. Think of where the drops of water may come from. </li></ul><ul><li>Create an experiment ! </li></ul><ul><li>Materials: </li></ul><ul><li>food coloring </li></ul><ul><li>ice-cubes </li></ul><ul><li>1 empty tin can (soda can) </li></ul><ul><li>tap water </li></ul><ul><li>Your task is to design and carry out an experiment using all of these items to test your hypothesis about where the drops of water you see on the outside of the glass come from. </li></ul>
  4. 5. <ul><li>Background Information : Create A Cloud </li></ul><ul><li>Depending on the order your group is taking to complete the stations, you may have discovered that there is moisture in the air called water vapor and that when the air is cooled, the water vapor condenses (changes from gas to liquid) onto a surface. </li></ul><ul><li>These two (2) factors – water vapor and cooling air must be present in order for a cloud to form. But there is one more factor that must also be present. </li></ul><ul><li>In this experiment, your group will try to find the missing “mystery” ingredient. </li></ul>
  5. 6. CREATE A CLOUD <ul><li>Materials: </li></ul><ul><li>1 liter clear glass jar with lid </li></ul><ul><li>ice cubes or crushed ice </li></ul><ul><li>hot water </li></ul><ul><li>black construction paper </li></ul><ul><li>flashlight </li></ul><ul><li>safety goggles </li></ul><ul><li>Procedure: </li></ul><ul><li>1. Fill the jar with hot water </li></ul><ul><li>2. Pour out all but 2 cm of water in the bottom of jar </li></ul><ul><li>3. Prop the black construction paper so that it stands behind the jar </li></ul><ul><li>4. Turn the lid of the jar upside down and fill with ice </li></ul><ul><li>5. While still upside down, place the lid over the top of the jar. </li></ul><ul><li>6. Let the jar sit this way for at least 10 minutes. </li></ul><ul><li>7. Now, shine the flashlight on the jar. </li></ul><ul><li>DO YOU SEE A CLOUD??? </li></ul>
  6. 7. CREATE A CLOUD <ul><li>Question: What is the third (3 rd ) factor which must be present in order for a cloud to form? </li></ul>
  7. 8. Create A Cloud <ul><li>. </li></ul><ul><li>Hypothesize: </li></ul><ul><li>What is the missing ingredient? </li></ul>
  8. 9. <ul><li>Now repeat all steps above, but after you filled the lid with ice, strike a match and drop the burning match into the jar and QUICKLY cover the ice filled lid over the mouth of the jar. </li></ul><ul><li>DO YOU SEE A CLOUD NOW? </li></ul><ul><li>Record observations and make sure Eco-log is complete before moving on to the next station. </li></ul>
  9. 10. <ul><li>Suspended Particles </li></ul><ul><li>Separate particles that are suspended in the air. </li></ul>
  10. 11. Background Info : Cloud Trick <ul><li>In this experiment you will be making a cloud appear just as you did at Station 2. But in this activity you will also be making a cloud disappear and then appear again with just a touch of your fingers…just by putting a little pressure on the air or by releasing that pressure. </li></ul><ul><li>Have you ever watched the weather forecast on TV? Do you remember hearing the terms high pressure and low pressure? What kind of weather do we usually have when we are in a high pressure zone? In a low pressure zone? </li></ul><ul><li>In your hypothesis for this station, your group must decide what effect high pressure has on the temperature of the air and on cloud formation and then how low pressure affects these same weather conditions. </li></ul>
  11. 12. STATION 3: THE GREAT DISAPPEARING CLOUD TRICK! <ul><li>Question : How does air pressure affect temperature and cloud formation? </li></ul><ul><li>As a group, form a hypothesis based upon the question above. Record on your Eco-log. </li></ul><ul><li>Materials: </li></ul><ul><li>1 clear plastic 2 liter bottle w/ cap </li></ul><ul><li> liquid crystal thermometer </li></ul><ul><li>masking tape </li></ul><ul><li>water (a few drops) </li></ul><ul><li>matches </li></ul><ul><li>safety goggles </li></ul><ul><li>Procedure: </li></ul><ul><li>1. Place the thermometer inside the bottle so that it can be read. Use tape to secure it. </li></ul><ul><li>2. Screw cap tightly on bottle </li></ul><ul><li>3. Read and record initial temperature in Eco-log </li></ul><ul><li>4. Lay the bottle on its side. Push as hard as you can without damaging it, on the surface of the bottle. </li></ul><ul><li> After 30 seconds whiles still pushing, have a group member read the new temperature and record. </li></ul><ul><li>5. Release bottle and record temperature again after 30 seconds. </li></ul><ul><li>6. Answer analysis questions! Let me see answers before you can go to step 7!!! </li></ul><ul><li>7. Open bottle and pour in a few more drops of water. </li></ul><ul><li>8. Roll the bottle around to we the surface of the inside and let stand for 5 minutes. </li></ul><ul><li>9. Lay bottle on its side and push down on it as before. Have a group member light a match, blow it out </li></ul><ul><li> and insert the smoking end into the bottle. Quickly release the pressure on the bottle and screw on the cap. Record your observations on the Eco-log. </li></ul><ul><li>10. Now apply and release pressure as you did earlier – observing the temperature changes and any visible changes to the air in the bottle. Record observations and answer analysis and conclusion questions. Make sure Eco-log is complete before moving on to the next station. </li></ul>
  12. 13. <ul><li>Background Information : Just a Bag of Hot Air </li></ul><ul><li>In this activity you will be using three (3) simple materials to inflate a balloon without actually blowing into it. Your task is to figure out how to do this and then explain why your experiment worked. </li></ul><ul><li>i.e. what caused the balloon to inflate even though no new air was pumped into it? </li></ul>
  13. 14. STATION 4: JUST A BAG OF HOT AIR <ul><li>Question: How can you inflate a balloon without blowing into it? </li></ul><ul><li>Materials: </li></ul><ul><li>1 balloon </li></ul><ul><li>a narrow-necked bottle (chemistry glassware) </li></ul><ul><li>a pan of hot water </li></ul><ul><li>hot plate </li></ul><ul><li>1 Lab Apron per person </li></ul><ul><li>Devise a way to inflate your balloon with the given materials. </li></ul><ul><li>Create a hypothesis (We will inflate the balloon by …..) and record on Eco-logs </li></ul><ul><li>Record your procedure on Eco-logs </li></ul><ul><li>If your experiment did not work, revise your procedure and try again. If your experiment did work, answer questions on Eco-log. </li></ul><ul><li>Make sure your Eco-log is complete before moving on to the next station. </li></ul>
  14. 15. <ul><li>Background information : Rainmaker </li></ul><ul><li>In this activity you will be using the materials listed on the other card to simulate one phase of Earth’s Water Cycle- precipitation. Depending on the order your group have visited stations, you may have already seen how water vapor (evaporated water in the air) condenses onto tiny particles when the air is cooled and forms a cloud. Your task will be to conduct a “precipitation simulation” and formulate a hypothesis explaining how the condensed water (cloud) turned into precipitation (rain). </li></ul>
  15. 16. STATION 5: RAINMAKER <ul><li>Question: What causes precipitation? </li></ul><ul><li>Discuss with your group what might cause the condensed water (cloud) to turn into precipitation (rain) and record your hypothesis on your Logs. </li></ul><ul><li>2. Materials: </li></ul><ul><li>a pan of water </li></ul><ul><li>a burner or hot plate the pan can completely cover and protect. </li></ul><ul><li>a large cookie sheet </li></ul><ul><li>ice cubes </li></ul><ul><li>2 metal trash cans (or other large container a little over 1ft. High that is non flammable.) </li></ul><ul><li>3. Procedure: </li></ul><ul><li>1. Place a pan of water onto the burner. </li></ul><ul><li>2. Place 2 metal trash cans on either side of the burner </li></ul><ul><li>3. Place cookie sheet on the 2 trash cans so that it forms a “ceiling” over the pan of water. </li></ul><ul><li>4. Place ice cubes on top of the cookie sheet </li></ul><ul><li>5. Heat the water and watch as the steam accumulates and hits the cool surface. </li></ul><ul><li>6. Record your observations on the Eco-Log. </li></ul><ul><li>7. Answer analysis and conclusion questions. </li></ul><ul><li>8. Make sure your Eco-log is complete before moving on to the next station. </li></ul>
  16. 17. Next 2 slides goes with the rainmaker station.
  17. 19. (Precipitation) Earth’s Water Cycle

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