Question

1. Fill in the Blanks:
1. Bauxite is the ore for .............
2. Filaments of our light bulbs are made of ............
3. Many calculators today run on ............ energy.
4. In India, ............. provides most of the energy consumed.
5. Misused .............. energy is very harmful and destructive.

2. Write "true" ir 'false" :
1. Minerals are non- renewable natural resources - ...........
2. Tin is used as an insulating material - ............
3. Nuclear energy is generated by the fission of nuclei of atoms - ...........
4. Wind energy can be converted only into machanical energy -...........
5. Solar energy appliances cannot utilise the stored energy at night -...........​

Answer 1

Explanation:

1.The filament is made up of tungsten.

Tungsten can be become white hot .