International Science Day Online Quiz

The heart is a specialized cardiac muscle that functions continuously throughout a person's life without experiencing fatigue like skeletal muscles.

Metamorphic rocks are formed when existing igneous, sedimentary, or other metamorphic rocks are subjected to high heat and pressure, causing physical or chemical changes.

Friction, air resistance, and gravity are all types of forces. Temperature is a measure of the average kinetic energy of particles, not a force.

Plants perform photosynthesis to convert light energy into chemical energy, which serves as their food. Digestion is the breakdown of food in animals, while respiration is the process of releasing energy from food.

A Bunsen burner is a standard piece of laboratory equipment that produces a single open gas flame, which is used for heating, sterilization, and combustion.

Table salt is chemically known as sodium chloride, represented by the formula NaCl. H2O is water, C6H12O6 is glucose, and CH4 is methane.

Water exists as a liquid at standard room temperature. It only becomes a solid (ice) at temperatures at or below 0 degrees Celsius.

Mercury is the closest planet to the Sun in our solar system. Venus is second, Earth is third, and Mars is fourth.