D2. Exploring and Understanding Concepts
Specific Expectations
Systems in Action
D2.1
identify various types of systems
D2.2
describe the purpose, inputs, and outputs of various systems, including systems related to food processing
D2.3
identify the various processes and components of a system that allow it to perform its function efficiently and safely
D2.4
use the scientific terms displacement, force, work, energy, and efficiency to describe everyday experiences
D2.5
demonstrate an understanding of the relationships between work, force, and displacement in simple systems
D2.6
explain the relationship between input and output forces and determine the mechanical advantage of various mechanical systems, including simple machines
D2.7
identify ways in which energy can dissipate from mechanical systems, and describe technological innovations that make these systems more efficient
D2.8
explain how providing information and support to consumers helps to ensure that the systems they use run safely and efficiently
D2.9
describe technological innovations involving mechanical systems that have increased productivity in various industries
D2.10
identify social factors that influence the evolution of a system