Level 2 For kids above 8 years old

Artificial intelligence is the simulation of human intelligence processes by machines, especially computer systems.

Sleepiness is the feeling of being tired and wanting to sleep .

Substances (as gold, tin, or copper) that have a more or less shiny appearance, are good conductors of electricity and heat, can be melted, and are usually capable of being shaped.

A dolphin is a super-smart and playful sea creature, they love to communicate with each other using special clicks and whistles. They're like the joyful acrobats of the ocean!

A food chain is like a dinner line in nature ,It shows how each living thing gets its food. A plant is eaten by a rabbit, and then the rabbit is eaten by a fox.

Sports games are fun and active activities to promote physical movement ,fitness and leadership.