## Reflection: Real World Applications Understanding Materials, Shapes and Changes - Section 3: Building and Revising Our Shapes and Materials

This lesson provides students with real world applications of the things they have learned about shape and materials and how they influence the use of an object. It would have been possible to assess students with a written assessment where they answered questions about shape and material, but instead I chose to have students engage in a hands on assessment.

I wanted students to show me how they could apply what they have learned during this unit. As they worked, I circulated around the room to ask them about their creations, any adaptations they made from their original drawings, and any changes in materials that they found they needed. One of the things that several students found out by building and then testing their toys was that they needed some weight to make the toy fly. This was their discovery and I did not have to tell them, "be sure you have enough weight." It was interesting to watch this discovery, because originally many of them said that they wanted to use very light materials because in order to fly something had to be very light. When they tested the toy, the very light object didn't travel any distance. By adding weight, the toy would travel.

Without a hands on opportunity, the students may not have discovered this property of matter that was important for flight.

Hands On Learning
Real World Applications: Hands On Learning

# Understanding Materials, Shapes and Changes

Unit 4: What Is It Made Out Of?
Lesson 10 of 10

## Big Idea: This lesson will provide an assessment of student understanding of the importance of how shape and materials make a difference to the function of an object.

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6 teachers like this lesson
Standards:
Subject(s):
Science, building materials, Building Structures, writing about science, matter, shapes
105 minutes

### Beth McKenna

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