Experience CS

Lesson 3

Populating producers

In this lesson, students explore the cloning feature in Scratch to distinguish between duplicated sprites and cloned sprites. Students are then introduced to count-controlled loops as a method to repeat a command. Finally, students use count-controlled loops to populate their simulation with a set number of organisms.

school

Grade 7

local_library

Subject Science

schedule

Length of lesson 50 minutes

Learning objective

Students will use loops to populate the organisms in their simulation.

Standards

CSTA Standards

2-AP-13: Decompose problems and subproblems into parts to facilitate the design, implementation, and review of programs
2-AP-19: Document programs in order to make them easier to follow, test, and debug.
3-DA-12: Create computational models that represent the relationships among different elements of data collected from a phenomenon or process.

NGSS Standards

MS-ETS1-1: Define the criteria and constraints of a design problem with sufficient precision to ensure a successful solution, taking into account relevant scientific principles and potential impacts on people and the natural environment that may limit possible solutions.