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Strand D. Structures and Mechanisms

Topic 2007 Curriculum 2022 Curriculum
Topics
  • Grade 1: Material, Objects, and Everyday Structures
  • Grade 2: Movement
  • Grade 3: Strong and Stable Structures
  • Grade 4: Pulleys and Gears
  • Grade 5: Forces Acting on Structures and Mechanisms
  • Grade 6: Flight
  • Grade 7: Form and Function
  • Grade 8: Systems in Action
  • Grade 1: Material, Objects, and Everyday Structures
  • Grade 2: Simple Machines and Movement
  • Grade 3: Strong and Stable Structures
  • Grade 4: Machines and Their Mechanisms
  • Grade 5: Forces Acting on Structures
  • Grade 6: Flight
  • Grade 7: Form and Function
  • Grade 8: Systems in Action
Relating Science and Technology to Our Changing World
  • Named Relating Science and Technology to Society and the Environment
  • Renamed Relating Science and Technology to Our Changing World

 

  • Gr. 4 B1 evaluate the impact of pulleys and gears on society and the environment
  • Gr. 5 B3 identify forces that act on and within structures and mechanisms, and describe the effects of these forces on structures and mechanisms

Revised expectations:

  • Gr. 4 D1 evaluate the impacts of various machines and their mechanisms on society and the environment
  • Gr. 5 D2 demonstrate an understanding of forces that act on structures, and how various structures withstand them
STEM Investigation and Communication Skills
  • Integrated within the Developing Investigation and Communication Skills overall expectation
  • Restructured as STEM Investigation and Communication Skills in Strand A
  • Science and Technology concepts from the overall expectation on Developing Investigation and Communication Skills are included in Exploring and Understanding Concepts
Exploring and Understanding Concepts
  • Named Understanding Basic Concepts
  • Renamed Exploring and Understanding Concepts

 

  • Gr. 4 B2 demonstrate an understanding of the basic principles and functions of pulley systems and gear systems
  • Gr. 4 B3.5 distinguish between pulley systems and gear systems that increase force and those that increase speed
  • Gr. 8 B3.2 identify the purpose, inputs, and outputs of various systems

Revised expectations:

  • Gr. 4 D2 demonstrate an understanding of the basic principles and functions of machines and their mechanisms
  • Gr. 4 D2.5 explain how forces are changed in a variety of machines
  • Gr. 8 D2.2 describe the purpose, inputs, and outputs of various systems, including systems related to food processing

 New expectations:

  • Gr. 3 D2.2 demonstrate an understanding of the relationship between form and function for various structures
  • Gr. 4 D2.2 identify the parts of various mechanisms and describe the purpose of each part
  • Gr. 5 D2.4 describe ways in which physical characteristics of various animal and plant species help to protect them from potentially harmful effects of forces
  • Gr. 6 D2.5 describe characteristics and adaptations that enable organisms to fly
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