Science MCQs

Distillation effectively removes dissolved salts by evaporating and condensing water.

Sweating evaporates water from the skin which helps cool the body.

Lakes rivers and ponds are examples of surface water sources.

A lower water table can cause wells and springs to dry up.

Droughts and dropping water tables indicate water scarcity.

Water can dissolve a wide variety of materials making it essential for biological processes.

A water molecule consists of two hydrogen atoms and one oxygen atom.

Ice is the solid state of water formed at or below 0°C.

Water vapor or steam is the gaseous form of water.

Access to safe water is recognized as a fundamental human right by the UN.