¿Por qué es blanca la nieve?

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¿Por qué es blanca la nieve?
Lesson narration:
English Spanish
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CONVERSEMOS:

¿Por qué crees que la nieve es blanca?

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Paso
01/17
Si estás en una clase, encuentra un compañero/a con quien trabajar.
Si vas a trabajar sola o solo también está bien.
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Paso
02/17
Obtén estos materiales.
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Paso
03/17
Escribe tu nombre en la hoja de trabajo. Después, recorta el
cuadrado que dice "¡Mira Aqui!" Ponlo en el plato y le ponle
un pedazo de papel encerado encima.
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Paso
04/17
Platica con tu compañero sobre cómo podrían cambiar el pedazo
de papel encerado para que sea MENOS transparente. Pongan a
prueba sus ideas.
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Paso
05/17
Conversemos:
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Paso
06/17
Si quieren poner a prueba sus nuevas ideas, tómense un minuto
para hacerlo ahora.
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Paso
07/17
Arrugamos el papel encerado. Lo doblamos. Lo cortamos en
pedacitos para amontonarlo.
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Paso
08/17
Dobla el papel encerado para que tenga muchas capas. Córtalo para
hacer un fleco. Ponlo sobre el plato y corta el fleco para obtener
nieve (pedacitos de papel).
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Paso
09/17
Elige el diseño que quieres usar. Recórtalo de la hoja de trabajo y
también recorta tu nombre.
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Paso
10/17
Elijan quién será el primer Creador de Copos de Nieve y quién
será el Ayudante.
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Paso
11/17
Creador de Copos de Nieve: pon tu copo de nieve en el plato
extra. Ayudante: pon un pedazo de papel encerado sobre el
copo de nieve.
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Paso
12/17
Ayudante: sostén el papel encerado para que no se resbale.
Creador de Copos de Nieve: prueba tu botella de pegamento en
una esquina para hacer que salga una línea delgada de pegamento.
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Paso
13/17
Creador de Copos de Nieve: pega tu nombre en la línea de prueba.
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Paso
14/17
Ayudante: sigue sosteniendo el papel encerado. Creador de
Copos de Nieve: pon una línea delgada de pegamento sobre cada
línea oscura en el copo de nieve.
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Paso
15/17
Creador de Copos de Nieve: espolvorea los pedacitos de papel
encerado para que cubran completamente el pegamento.
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Paso
16/17
Ahora cambien de responsabilidades. Sigan todos los pasos de nuevo
para hacer otro copo de nieve.
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Paso
17/17
Tendrás que esperar hasta mañana para que seque el pegamento.
Cuando esté seco, con mucho cuidado, separa el papel encerado del
copo de nieve de esta forma.
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Featured Reviews

“Students were able to reconstruct misconceptions to answer this questions by the end. Meaningful and fun!”
· Elizabeth · Teacher
“Students figuring out ways to make the transparent object, wax paper, to become "white". The snow outside, as we did this activity, made even more meaningful.”
· · Teacher
“I'm not a very creative/artsy person, so I absolutely love the meaningful learning opportunities that accompany the easy-to-prep and easy-to-follow video directions. Thank you!”
· Jeremy · Teacher
“The students were so engaged and curious about learning why snow is white. They were intrigued the entire time!! They also really liked how their snowflakes turned out!”
· Yolanda · Teacher
“The students love getting to guess why snow was white, and while the snowflakes were very challenging to make they really enjoyed making them and looking at them afterwards. Just a tip, the wax paper needs to be cut really really really small to have the best looking snowflake. ”
· Haley · Teacher
“The stacked look of the snowflakes-clear wax paper "snow crystals" piled on each other to look white, like snow. Kids really learned a lot and enjoyed the science/art project.”
· Shelley · Teacher
“I appreciated the cooperative learning/teamwork aspect. The activity effectively modeled the concept and the students were left with a clear understanding why snow looks white. They also enjoyed craft.”
· Deb · Teacher
“I enjoyed how simply the information was presented in the video, while still giving enough details to fully understand just why snow appears white. This was a great discovery. We had lots of fun making snowflakes and are excited to see them once they are dry! Thank you for another great lesson.”
· Nicole · Homeschooler
“The students really did a good job discussing ways to make the "snow" wax paper look white. The examples of piles of glass helped. The pictures of snow when it was other colors also led to some good discussion. :)”
· Heather · Teacher
“The kids were incredibly focused throughout the entire lesson and are extremely excited to see the snowflake results. ”
· Laura · Teacher
“Kids were amazed by the fact that snow is actually clear. They enjoyed making snow flakes.”
· Elizabeth · Teacher
“My favorite part is how there are so many visuals, especially with the hands on activities. My students really benefit from having that extra support and it makes things go smoother for me while teaching!”
· Jenna · Teacher
“Having the kids discover how to make the wax paper white.”
· Sally · Teacher
“Students were amazed by looking at the snowflake under the microscope. The activity was easy to follow and all students could make their own snowflake to take home!”
· Jane · Teacher
“Kids were 100% engaged and were able to communicate the main idea/concept of the lesson. Plus, they had a ton of fun!”
· Dana · Teacher
“Excellent activity for any age!”
· Susan · Teacher
“Making the snow flakes. The students got a thorough understanding of why snow is white.”
· Joanne · Teacher
“The students enjoyed the art connection. They really enjoyed making their snowflakes.”
· Joy · Teacher
“such a great resource for last week of school. ”
· Xochitl · Teacher
“Great lesson for the week before winter break ”
· Kristine · Teacher
“WOW! The explanation and visuals made this lesson kid friendly. I like that geometry was mentioned. ”
· Natalie · Teacher
“I heard a lot of "ooos" and "ahhs" :) Thank you for helping children learn more about the world around them! :) ”
· Julie · Teacher
“Students were highly engaged and can't wait to pull their snowflakes off the waxed paper tomorrow!”
· Linda · Teacher
“It was fun combining science with art. The class LOVED making their snowflakes.”
· Ruth · Teacher
“hands on investigative time”
· Ana · Teacher
“Loved the entire thing. It snowed here today and the kids being slightly crazed, provided for an educational way to deal with the snow. Thanks!”
· Graceann · Teacher
“the video tutorial was perfect. The kids love mystery doug and this activity was the perfect connection to the questions of the week. (Especially because it was snowing outside!)”
· Leanne · Teacher
“The discussion by the kids why snow is white. They were all so excited!”
· Amy · Teacher
“Students' excitement......especially with snowflakes actually falling outside our classroom window!”
· Carrie · Teacher
“Great! Haven't peeled the snowflakes off the wax pare yet. Some kids cut too small of pieces and not sure they will hold. But they are first graders and cutting is hard for some. But your step by step video was great!”
· Jenn · Teacher
“When finding & sorting a variety of items & materials in the classroom, using the terms see through, kind of see through and cannot see through made it easier for my students to understand the concepts.”
· Linda · Teacher
“You thought of everything - right down to a way to put their name on their work. Thank you!”
· Janelle · Teacher
“The activity was great. Can't wait until tomorrow to check out our finished snowflakes. The questions really got the students thinking!”
· Portia · Teacher
Lesson narration:
English Spanish

Activity Prep

Print Prep
In this mini-lesson, students see how the shape of snowflakes causes them to look like the color of light that is shining on them. In the activity, Wax Paper Snowflake, students create a decorative snowflake and investigate how to make something transparent look white.
Preview activity
Snowflake Maker printout 1 per student
Scissors
1 scissor per student
White Glue
1 bottle per pair
Paper Plates
1 plate per pair
Paper Plates
1 plate per student
Wax Paper
1 roll per class
Prep Instructions

Each student will make their own Wax Paper Snowflake, but will need a partner to help with a few steps. Homeschool students can work on their own, but will need a partner to help with a few steps.

Snowflakes must dry overnight before students can hang them up or take them home, so plan accordingly.

Prepare the Wax Paper

For each student, tear off two sheets of wax paper, each about 8 inches wide. Each student will need one sheet to experiment with and a second sheet on which to make their snowflake. Enthusiastic experimenters may need additional wax paper for making their wax paper snow.

Kindergarteners may have difficulty cutting wax paper into tiny pieces. If you teach Kindergarten, we suggest you pre-cut wax paper “snow” by following the directions shown in Step 8.

Prepare the Glue (Optional)

Students can share bottles of glue or you can put glue into small dishes and let students use a Q-tip for “painting” the glue onto snowflakes. When students are squeezing glue from a bottle, they usually get more than enough glue on their snowflake printout. But if they are using Q-tips, you may need to encourage them to put on enough glue. Encourage students to use lots of glue. Here's how much we used:

glue

Teacher Tips

Here’s a tip that is not shown in the activity step-by-step video: To make sure all the bits of paper are making contact with the glue, students can use a paper plate to push gently down on the snowflake after they sprinkle the wax paper bits.

Some classes have found that their snowflakes don’t peel off easily or break apart when they try to peel them. If that happens, we recommend you have students cut out their snowflakes rather than peeling them. The snowflakes will still look festive!

Display Student Work (Optional)

If you'd like to display these snowflakes in your classroom, you can use a hole punch and string to hang them!

Exploration

10 mins

Hands-On Activity

30 mins

Extend this lesson

Discussions

Discussion

  1. Why is snow white?

  2. What did this lesson make you curious about? What other questions do you have about snow?

Activity

Activity

Snow looks different colors under different light. You can see if this happens with white paper too! Find a piece of white paper. Take it outside into bright sunlight. Ask an adult to help you take a close-up picture of the paper. Bring the paper inside and take another picture of it under a light. Take two more pictures in other places. Look at the pictures next to each other. What do you notice?

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Credits
 
Why is snow white?

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