April 5, 2019
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By Jasmine Gibson

EL Support Lesson

What's the Weight?

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This lesson can be used as a pre-lesson for the How Much Does It Weigh?Lesson plan.
GradeSubjectView aligned standards
This lesson can be used as a pre-lesson for the How Much Does It Weigh?Lesson plan.
Academic

Students will be able to classify objects as heavy or light.

Language

Students will be able to explain how they know an object is heavy or light using sentence frames and tactile supports.

(5 minutes)
  • Gather the class together for the lesson.
  • Play the "Sesame Street: Heavy or Light" clip.
(5 minutes)
  • Using the vocabulary cards, introduce the target vocabulary and explain that today students will be learning about things that are HeavyOr Light. They will be making Predictions, or guessing based on what they know about how heavy or light something might be.
  • Model thinking aloud while looking at two objects (use ones that are obviously heavy or light, such as a rock and feather) to show students how you make a prediction of which one is heavy and which is light.
  • Pick up the objects and say, "The rock is heavier than the feather. I know the feather is lighter because it is easier to hold and sits on my hand. The rock is heavier. I know this because it is harder for me to hold compared to the feather."
(5 minutes)
  • Hold up two objects (one heavy and one light). Say their name and then pass them around.
  • Ask students to think about how the two objects feel in their hands, are they different or the same?
  • Hold up two more objects and ask students to predict which object is light. Ask students to turn and talk to their partner to share ideas.
  • Tell students to point to the object they predict is lighter. Then pass around the two objects.
  • Ask students, "Now that you have held the two objects, do you still think the ________Is lighter? Why/why not?"
(10 minutes)
  • Display the Heavy or Light: Measuring Weight worksheet and complete the first box as a group. Be explicit as you describe the glue as heavier than the leaf.
  • Pass out the worksheet for students to finish completing with a partner.

Beginning

  • Provide additional opportunities for students to practise comparing objects using the target vocabulary (e.g., "This rock is heavy," "This feather is light," "This leaf is light," "This bottle is heavy," etc.).
  • Allow students to point or give a thumbs up/down when predicting which item is heavy or light.

Advanced

  • Invite students to find two items in the classroom to compare. Have students work with a partner to identify which object is heavy and which is light.
(5 minutes)
  • Throughout the lesson, ask students to think about the objects they are comparing using guiding questions: "Which is heavy?" "Which is light?" "How do you know?" "How can you check?" "Is the bigger item always heavier?" "Why/why not?"
  • Assess student understanding and ability to differentiate between weights by noting their responses.
  • Collect work samples to further assess students understanding of heavy versus light.
(5 minutes)
  • Gather the class back together and hold up an item that is heavy. Say, "What is something that is lighter than this? What is something heavier than this?" Have students turn and talk to share ideas.
  • Create a classroom chart of objects that are heavier/lighter than your target object using a T-chart.

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