REVISION - TERM 2

A potter uses a spinning wheel to shape clay into pots. The wheel rotates when he pedal. Which simple machine is that ?

• Lever

• Wheel and Axle

• Pulley

• Inclined plane

A potter uses a spinning wheel to shape clay into pots. The wheel rotates when he presses a pedal.

Which simple machine helps reduce friction and allows smooth rotation?

• Lever

• Wheel and Axle

• Pulley

• Inclined plane

A seesaw at the playground is an example of a simple machine called ------------------ .

• Lever

• Wheel and Axle

• Pulley

• Inclined Plane

The egg yolk is surrounded by a white jelly -like substance called ___________

Two liquids that do not mix with each other is known as___________.

Capillaries are tiny blood vessels that connect ___________ and ___________.

Why is sedimentation used before decantation?

• To dissolve the solid particles in the liquid

• To allow heavier particles to settle at the bottom

• To evaporate the liquid completely

• To mix the substances evenly