轮轴

轮轴
Active — user can report

Instrucciones del autor

轮轴是其中一种简单机械，带动部件转动。

Explora las hojas de trabajo

Los movimientos de la Tierra

Physical Science - Science

Conocer cuáles son los movimientos de la Tierra

Is it a solid or a liquid?

Physical Science - Science

Students complete a lab task using cornflour and water

States of Matter

Physical Science - Science

Phet simulation lab book page 70

Computer Basics - The Desktop

Physical Science - Science

Students learn to identify the four main parts of the desktop.