Question

State whether the following statements are true or false. If false, give the correct statement.

(a) The process of seeping of water into the ground is called filtration.

(b) 51% of the earth’s surface is covered with water.

(c) The year 2003 was observed as the International Year of Freshwater.

(d) Snow and ice both are solid forms of water.

Answer 1

(a) Infiltration:

1. The process of seeping water into the ground is called infiltration.
2. The rate of infiltration provides information regarding the ability of the soil to absorb water during rainfall.
3. The infiltration rate can be determined by using an infiltrometer.

(b) Earth:

1. About three-fourths of the surface of the earth is covered by water.
2. It constitutes about 71% of the earth's surface.
3. The rest of the surface of the earth is covered by land mass.

(c) International year of freshwater:

1. The United Nations General Assembly proclaimed 2003 as the international year of freshwater.
2. It is also known as the water year 2003.
3. It was done to raise awareness against the growing use of water resources.

(d) States of water:

1. Water exists in three states: solid, liquid, and gas (vapor).
2. When water freezes then, it converts into a solid form.
3. The solid form of water is snow and ice.
4. In solid form, the water molecules move apart from each other.

Final answers:

(a) The given statement is false.

(b) The given statement is false.

(c) The given statement is true.

(d) The given statement is true.