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Main Curriculum Tie:
Supplemental Materials (pdf)
Can it Rain Cats and Dogs?: Questions and Answers about Weather, by Melvin and Gilda Berger; ISBN 0-590-13083-8
Franklin and the Thunderstorm, by Paulette Bourgeois; ISBN 0-590-02635-6
Scholastic Atlas of Weather, by QA International; ISBN 0-439-67865-X
Scholastic Science Emergent Readers: Sun, by Susan Canizars; ISBN 0-590-10731-3
Scholastic Science Emergent Readers: Water, by Susan Canizars; ISBN 0-590-10727-5
Scholastic Science Emergent Readers: Weather, by Pamela Chanko; ISBN 0-590-10730-5
Scholastic Science Emergent Readers: Wind, by Susan Canizars; ISBN 0-590-10726-7
Scholastic Science Readers: Thunder and Lightning, by Wendy Pfeffer; ISBN 0-439-26988-1
Scholastic Science Readers: Tornadoes, by Brian Cassie; ISBN 0-439-26990-3
Snow? Let’s Go!, by Karen Berman Nagel; ISBN 0-439-09906-4
Super Storms, by Seymour Simon; ISBN 0-439-46685-7
The Best Book of Weather, by Simon Adams; ISBN 0-7534-5584-6
The Magic School Bus Kicks up a Storm, by Joanna Cole and Bruce Degan; ISBN 0-439- 10275-8
Weather: A National Geographic Action Book, by Tom Kierein; ISBN 0-7922-2782-4
Weather Words and What They Mean, by Gail Gibbons; ISBN 0-590-44408-5
Welcome Books: Cold Days, by Jennifer S. Burke; ISBN 0-516-23870-1
Welcome Books: Rainy Days, by Jennifer S. Burke; ISBN 0-516-23869-8
Welcome Books: Windy Days, by Jennifer S. Burke; ISBN 0-516-23868-X
What Will the Weather be Like Today?, by Paul Rogers; ISBN 0-590-72617-X
World Book Encyclopedia, by Field Enterprises Educational Corporation; ISBN 0-7166-0073-0
Background For Teachers:
The air around Earth creates the weather. The layer of Earth’s atmosphere that is closest to Earth is called the troposphere. The troposphere is where the weather forms. The sun heats Earth’s surface unevenly. Areas around the equator are warmer than areas near the polar regions. Air moves based on high and low pressure areas. The moving air creates the winds, which, in combination with the water cycle, creates the weather. Air moves mostly in large blocks called air masses. Depending on where the air mass forms and which direction it moves, it brings with it different weather. Cold, dry air masses that form over cold land areas tend to move towards Earth’s equator. These air masses usually mean clear, dry weather. Cold and moist air masses form over the cold ocean waters. As they move towards the equator, they usually bring rain or snow with them. Warm and dry air masses form over tropical land and tend to move away from the equator. They frequently bring in hot, dry weather. Warm, moist air masses that form over warm ocean waters also have a tendency to move away from the equator. These air masses typically mean clouds and/or rain showers.
Here are some quick explanations of some of the types of weather that the students will be learning about. Naturally, there is more to it than these quick explanations, and there are many factors that affect the weather. However, these explanations should suffice for most kindergarten lessons.
Clouds: Clouds are formed from tiny droplets of water or ice crystals. As water vapor rises in the air, it cools and condenses into the droplets. A cloud is formed when there is enough water vapor that has condensed into billions of droplets or ice crystals. The varying shapes of clouds are due to the fact that clouds are formed in a variety of ways depending on air temperature and the amount of moisture in the cloud. Different types of clouds are indicative of different types of weather.
Fog: Fog is also made up of tiny droplets of water like clouds. However, fog is formed at ground level while clouds are formed higher in the sky. Fog occurs when there is calm weather during a cool night when the ground or a body of water is also cold. Because of the cool air and cold ground, water vapor in the air condenses into the tiny droplets of water near the ground (or over a body of water). The droplets of water are so small that it takes about seven trillion of them to fill one tablespoon of water.
Rain: As the sun warms bodies of water on Earth, some of the water evaporates into water vapor. This water vapor rises into the atmosphere and forms clouds as it cools down into tiny water droplets. As the water droplets bunch together, they become larger. Once the droplets become too heavy, they fall to Earth, usually as rain. There is a tiny bit of dust at the center of each raindrop because the water vapor condenses around specks of dust.
Snow: Snow is made up of ice crystals that develop when it is too cold for rain to form. When the temperature is cold enough, the water vapor in the clouds condenses into ice crystals instead of water droplets. If the temperature of the air that the ice crystals fall through remains cold enough, the crystals hit the ground as snow. Each snowflake is unique because it is formed from thousands of the ice crystals that have joined together in a unique way.
Lightning and Thunder: Lightning is formed as droplets of water or ice in cumulonimbus clouds bump and rub against each other, creating tiny electrical particles. When the charge from this bumping and rubbing becomes large enough, it creates lightning. Lightning bolts can jump between the clouds and the ground or between several clouds. Lightning in turn creates the thunder. The loud noise of thunder comes from the heat of the lightning. The sudden burst of heat that comes with the lightning makes a powerful explosion. The sudden movement of air is what we hear as thunder.
Wind: Wind is simply moving air. As air gets warmer, it rises and colder air moves in to take its place. As the colder air warms, it also begins to rise. However, now the warmer air that moved first has cooled and moved back down. It is the exchange of cold and warm air that creates the wind. Another way to look at it is that wind is created when air flows from an area of high pressure to an area with low pressure. If there is a big difference in the high and low pressure, it creates a strong wind. If there is only a small difference in the pressure, then the result is more of a light breeze.
Rainbow: While not a type of weather in and of itself, a rainbow
can be the end result of a rainstorm. Rainbows are formed when the
sun comes out after a morning or evening rainstorm. You can only
see a rainbow when the sun is behind you. While it looks white,
(sun)light is really made up of the whole spectrum of colors. When
the sun’s rays hit the tiny drops of water that are in the sky after a rain
shower, the drops break up the light into the colors of the rainbow.
Frequently, there are 2 rainbows that appear. There is an inner bow
that is usually easier to see (the primary bow) and its “double” that
tends to be paler (the secondary bow). The colors are always the same
red, orange, yellow, green, blue, indigo and violet, with the colors
going in reverse order in the secondary bow due to a double reflection
in the raindrops.
Intended Learning Outcomes:
Tell the students that they get to be scientists. As a class, they will be conducting a number of science experiments as they learn about the weather. In addition, they will have the chance to make a science book about the weather. Because it is a science book, they will need to make sure that they do their best work and make it “real”. Show some examples of science-type books if needed.
Bredekamp, S. & Copple, C., (eds.) (1997) Developmentally Appropriate Practices in Early Childhood Programs (rev. ed). Washington DC: National Association for the Education of Young Children. 112, 114, 115
By kindergarten, young children have developed the ability to mentally and symbolically represent concrete objects, actions, and events. Students at this age have (or are developing) the ability to make a plan and then carry it out. Because of this ability, their activities can become more purposeful and goal-oriented. This can be applied to their understanding of science experiments. Kindergarteners can take a guess and then (sometimes with guided direction) figure out what is happening. Kindergarteners are more likely to comprehend and remember those new ideas when given the opportunity to experience new concepts, strategies, and relationships between objects, in a hands-on setting. We need to remember that although young children may have age-appropriate limits to their cognitive capabilities, they do have a vast ability to learn, think, reason, remember, and problem solve.
Church, E.B. (2003). Scientific Thinking: Step by Step. Scholastic Early Childhood Today. 4/2003. 35-37
There are several different skills that early childhood students should learn in order to understand scientific thinking. These include the abilities to observe, compare, sort and organize, predict, experiment, evaluate, and apply. When we give our students the opportunity to practice building these skills, we are helping them to learn process skills for understanding science as well as other subjects.
Observation is the process of looking closely without much actual doing. Kindergarteners often want to start the experiment right away. We should remind students that using observation is an important step in experiments. When students are encouraged to compare, they can begin to move beyond talking about what they noticed about an item and instead talk about relationships between items. Sorting and organizing is the processes of putting items together by recognizable traits. Students’ should be encouraged to match, group, and organize items in many different ways. In this way, they begin to understand that some objects can belong to more than one group. When students are encouraged to predict, they practice building questioning and speculating skills. Students learn to use prior knowledge and information gained from observation, comparing, and sorting to make the best guess that they can as to what may or may not happen in a science experiment. Student’s prediction skills will get better and better with experience. During an experiment, students can test their predictions and try out their ideas. Students need to be given ample time and provided with plenty of materials to experiment. One way for students to evaluate is by letting them take their concrete experience and communicate their findings to others. They can do this verbally or be given the opportunity to write it down in journals. They can also abstractly represent their finds through graphs, drawings, and charts. The last skill is for students to learn how to apply what they learned to other experiments. Students can be given new materials and new questions to answer. This is also a good time for open-ended questions.
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