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คำแนะนำของผู้เขียน

Resuelve la siguiente guía

สำรวจแผ่นงาน

Simple Machines 2.0

Physical Science - Science

Worksheet about some simple machines: inclined planes and pulleys.

Matter - states changes

Physical Science - Science

Completar un esquema muy sencillo arrastrando los conceptos y dibujos.

Materials and properties

Physical Science - Science

review of natural/manufactured materials, what are they made of and properties

Physical and Chemical Changes

Physical Science - Science

Changes in matter