UDL Lesson #1 Overview
Title:
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Where did the snow
go?
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Author:
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Kelly Demetra Varsami
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Subject:
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Measure / Density
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Grade Level(s):
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1st
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Duration:
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One Period
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Science / Math
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Students will learn by experimenting with:
measure, density, more, less
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Students will change the density of
powdered sugar by adding a liquid. They will use the changed sugar to
decorate a snowflake
cookie.
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State Standards:
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1.Asking questions
and defining problems
2. Developing and
using models
3. Planning and
carrying out investigations
4. Analyzing and
interpreting data
5. Using mathematics
and computational thinking
6. Constructing
explanations and designing solutions 7. Engaging in argument from evidence
8. Obtaining,
evaluating, and communicating information
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Unit Goals:
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Students will be
able to acquire basic knowledge about measure and density using science and
math topics
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Students will learn the relationships
between density, measure and space
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Anticipatory Set:
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Ask: How do you think snow
melts? What happens when it melts?
Explain that when snow melts, the density (how much space it
fills) changes. The students will see how this is done by dissolving powdered
sugar.
Direct a student to fill a measuring cup with powdered sugar,
making sure that the sugar is not packed into the cup. Level the top with the
handle of the spoon.
Direct a student to pour 1 teaspoon of milk into the center of
the cup of sugar.
Ask: What is happening to the powdered sugar?
Direct another student to add a second spoon of milk. A third,
etc. Observe what happens to the sugar. Use no more than a total of 6
teaspoons.
Ask: Why does it look like there is less sugar in the cup? Where
did it go?
Repeat steps 2 and 3.
Stir the contents of the cup into a bowl, adding 2 teaspoons of
vanilla to flavor. *ask: Is the cup full of sugar? Let’s see if we can change
that.
Use the steps in lesson 2 to create
snowflakes that are 1.75″ in diameter from the parchment paper.
Cover the cookies with the powdered sugar icing.
Place the parchment snowflake on top of the cookie and sprinkle
generously with colored sugar, tapping off the extra before removing the
snowflake pattern. A clean pin helps remove the parchment snowflakes from the
icing.
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Introduce and Model New Knowledge:
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Take the time to let the students know
that there is a close relationship about measure, density and space. You can start
reading to them Sometimes
Snow Falls in the Summer, by Deb Troehler.
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Provide Guided Practice:
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You can have the students read aloud in
groups or independently and highlight what draws their attention more, write
down important or unknown vocabulary words
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Provide Independent Practice:
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Have each student
do an independent (or in a group of 2 or 3) research on the internet
regarding the topic of the lesson. Where does the snow go?
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Assessment
Formative/Ongoing Assessment:
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Explain what they should keep from the above activity: When
liquid is added to powdered sugar, the sugar dissolves into the liquid,
increasing the density of the sugar. The amount of air between the particles
of sugar is reduced, causing the sugar to take up less room in the cup. This
is similar to how the density of snow is changed when it melts. The air
between the snowflakes is reduced as the snow becomes a liquid.
The responses of all the students will be checked to make sure
they did comprehend the key points.
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Hand out worksheets related to the above project in order to
ensure that the topic covered was fully understood by all students. You can also ask them to find fun facts
about snow.
Here is an example:
Snowy fact: If a snowstorm produces a light fluffy snow, then it is
possible for 10 inches of snow to melt into merely 1 inch of water.
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2
pounds powdered sugar & colored granulated sugar
Milk (2 TBSP per
demonstration)
Prebaked sugar cookies
Vanilla and butter (optional)
Set of measuring cups and
spoons
Spoon and spreading knife
Parchment paper
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