Revision on Science

Driveways, escalators and stairs -are all real life examples of which type of simple machine?

How are dandelion seeds dispersed?

This simple machine uses a wheel to change its direction of force.

How are coconuts dispersed?

Skateboards, rolling pins and doorknobs are examples of which type of simple machine?

A catapult is which type of simple machine?

Which simple machine is used by the man which will enable him to lift 200 kgs?

Which part of the plant absorbs water and nutrients?

Lotus is water pollinated flower. True or False.

Which part of the plant uses sunlight to make food?

Is Maize wind pollinated flower? Yes or No

This simple machine helps force objects apart.