Which of these is a natural light?

A flashlight is an example of ...

A camp-fire is an example of ..... light source.

We can not see the Sun in ...

In the morning, Sun rises in the . . . . .

This electric component have functions to connecting and the electric current can flow through it. This is a . . . .

This electric component has a function as a source of energy in a circuit. This is a . . . .

Which one of these object use mains electricity?

Zara found some rocks near a river. Some of rocks are rough, and some of rocks are smooth. The rocks are different in . . . .

I am small and smooth rocks, I am light and can fits in your hand. What rock am I?

This rock properties are shiny and has a smooth surface. What rock is this?

The following object of electricity that make sound, are . . . .

Zheira found some rocks in a cave. Some of rocks are small and rough, and some of rocks are have rough surfaces. The rocks are different in . . . .

Different types of rocks are used to make different things. Which of the following can be made from rocks?