Thousands mark end of mourning for Yassin

What is the primary purpose of a second in time measurement?

• To measure temperature

• To measure weight

• To measure time intervals

• To measure distance

How is a second defined in scientific terms?

• As the time it takes for the Earth to rotate once on its axis

• As the duration of 9,192,631,770 periods of radiation of a cesium atom

• As the time taken for light to travel one meter

• As the duration of 1/60th of a minute

Which of the following is NOT a method for measuring seconds?

• Using a pendulum clock

• Using a sundial

• Using an atomic clock

• Using a thermometer

In what context are seconds crucial for scientific experiments?

• In measuring the weight of objects

• In timing chemical reactions

• In determining the color of substances

• In calculating the volume of liquids

Why are seconds important in everyday life?

• They help in measuring the temperature of food

• They are used to calculate the weight of groceries

• They are used to measure time intervals in daily activities

• They help in determining the color of the sky