Question 2:

Water exists in three forms: solid, liquid, and ________.

Question 3:

________ minerals include sand, gravel, cement, salt, sulphur, phosphorous, diamonds and gems.

Question 4:

_______ acts as a universal solvent and gases such as oxygen, nitrogen, carbon dioxide and solids such as salts get readily dissolved with it.

Question 5:

Soil contains _____, ____, which provide a source for medicines, cosmetics, talcum powders etc.

Question 6:

Use of pesticides, fertilisers pollute the air by releasing harmful _______ into it.

Question 7:

Industrial waste dumped into water bodies cause chemical imbalance, leading to _____ pollution.

Question 8:

_________ helps to create energy for plants and animals. Body cells take up ________ from blood and generate energy from food.

Question 9:

Minerals such as _______ and ______ are important sources of energy. They are widely used in different sectors such as transport, agriculture and industry. 

Question 10:

_____ plays an important role in the water cycle as water gets evaporated from soil, oceans etc due to Sun’s heat and form clouds. The clouds get cooled by ____ and then these clouds shower as rains. So rainfall depends on the current of the ___.