Question
What was an early method of measuring time?
✓
Answer
Long ago, before clocks and watches were invented, people used shadows to measure time. They would observe how the shadow of a stick or object moved with the Sun’s position. This gave them a rough idea of morning, noon, and evening.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is the scientific importance of light and shadows?
Do you think an electromagnet can be used for separating plastic bags from a garbage heap? Explain.
Mention any two features that are seen in boys and girls each to distinguish them from each other at puberty.
The following figure shows the distance-time graph for the motion of two vehicles $(C$ and $D)$. At what time and distance (from the starting point), they will cross each other.
→ Batteries used in tractors, trucks and inverters are also made from cells. Then why it is called a battery?
What is drip irrigation?
What do you understand by symbiotic relationship present in some organism?
Define combustion. What are the prerequisite conditions for the combustion reaction to occur.
If one component of the forest is removed, what would be its affect on the ecosystem?