Topic Details (Notes format)

Motion and Time

Subject: General Science

Book: NCERT Science Class 7

Motion describes how objects move. It is measured using **speed, time, and distance**.
- **Types of Motion**:
- **Uniform motion**: Moving at a constant speed (Example: Earth orbiting the sun).
- **Non-uniform motion**: Speed varies (Example: A moving bicycle).
- **Measurement of Time**:
- Time is measured in seconds, minutes, and hours.
- Clocks and stopwatches are used for measurement.

**Possible Exam Questions:**
1. What is the difference between uniform and non-uniform motion?
2. How is speed calculated? Provide examples.
3. Explain the importance of accurate time measurement.
4. What are the different types of clocks used in history?
5. How do we measure speed and time in daily life?

Practice Questions

Which gas is commonly used in balloons to make them float?

View Question

Which element is the most abundant in the Earth’s crust?

View Question

What is the atomic number of hydrogen?

View Question

Which process describes the splitting of a nucleus into smaller nuclei?

View Question

What is the chemical formula for carbon dioxide?

View Question

What is the main component of the human skeleton?

View Question

Which gas is used in the process of welding?

View Question

Which planet is known as the "Red Planet"?

View Question

What is the most common state of matter in the universe?

View Question

What is the approximate age of the Earth?

View Question