Grade: 3 - Physical Science 2

3.PS.2
Identify types of simple machines and their uses. Investigate and build simple machines to understand how they are used.

I Can Statements Academic Vocabulary
I can identify types of simple machines.

I can identify uses for simple machines.

I can research and build simple machines.

Simple machine
Wheel and axle
Inclined plane
Wedge
Pulley
Lever
Screw

Cross Cutting Concepts
Structure and Function
*Different materials have different substructures, which can sometimes be observed.

Cause and Effect
*Cause and effect relationships are routinely identified, tested and used to explain change.

Systems and System Models
*A system is a group of related parts that make up a whole and can carry out functions its individual parts cannot.

Science and Engineering Process Standards
SEPS 1: Asking Questions and Defining Problems

SEPS 3: Planning and Carrying Out Investigations

SEPS 2: Developing and Using Models

SEPS 6: Constructing Explanations and Designing Solutions

Looking Back Looking Ahead
Analyze data to determine if a design solution works as intended to change the speed or direction of an object with a push or a pull. (K.PS.4) Investigate how multiple simple machines work together to perform everyday tasks. (4.PS.3)