Key Changes – Science and Technology, Grades 1–8 (2022)

• 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

• 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

• 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

• 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