RECOVERY OF KNOWLEDGE

RECOVERY OF KNOWLEDGE

WELCOME TO OUR SCIENCE CLASS!

AGENDA

• Recovery of knowledge

• Saccadic exercise

• Types of lever explanation

• Closure: live competition

Multiple Choice

The lever is:

• A tool

• A simple machine

• A complex machine

• A gadget

Poll

Simple machines have:

• Several points of support.

• More than one point of support

• Only one point of support

• Many parts

Multiple Select

Complex machines

• Have more than one point of support

• Only have one point of support

• Have many parts

• Have several parts

Fill in the Blank

Complex machines have_______________ parts.

Multiple Select

Machines are important because

• they make life easier

• they do complex work for you

• they replace people

• all of the above

Multiple Choice

There are six types of simple machines: the lever, the pulley, the wheel and axle, the inclined plane, the screw and the wedge.

• True.

• False.

Let´s talk about types of lever

https://quizlet.com/393428435/dt-levers-class-1-2-3-flash-cards/