NATURAL SCIENCE - YEAR 4 - NEW UNIT: ENERGY AND MACHINES - LESSON: SIMPLE MACHINES

 NATURAL SCIENCE

Unit: Energy and machines

LESSON: SIMPLE MACHINES

Let's start doing our Unit's song:

And we will start our lesson doing this Unit's song... Here we go!

TODAY'S LESSON:

SIMPLE MACHINES.

Simple machines make our life simple reducing the force we need to do something. Two examples of simple machines are THE WHEEL (probably the best invention in history) and THE LEVERS... There are 3 types of levers... These two videos give you an explanation:

And one more video talking about simple machines:

This is your lesson's summary:

Interactives activities:

INCLINED PLANE AND LEVER

PULLEYS

ROLLERS AND WHEELS

SIMPLE MACHINES