General Science - Standard Six (Part-3)
Chapter 9: Motion and Types of Motion
Fill in the Blanks:
- 1) The change in the position of an object with time is called _______.
- 2) The motion of a pendulum is an example of _______ motion.
- 3) A car moving on a straight road is an example of _______ motion.
- 4) Rotation of the Earth on its axis is an example of _______ motion.
- 5) The movement of a sewing machine needle is an example of _______ motion.
Match the Following:
| A | B |
|---|---|
| 1. Rotational motion | a. Swing |
| 2. Linear motion | b. Fan blade |
| 3. Oscillatory motion | c. Car on a road |
| 4. Periodic motion | d. Earth’s revolution around the sun |
Short Answer Questions:
- 1) Define motion.
- 2) What is oscillatory motion? Give an example.
- 3) What is the difference between linear and circular motion?
- 4) Give two examples of periodic motion.
Long Answer Questions:
- 1)Explain different types of motion with examples.
- 2) How is rotational motion different from circular motion?
Chapter 10: Force and Types of Force
Fill in the Blanks:
- 1) A _______ is a push or pull acting on an object.
- 2) The force applied by muscles is called _______ force.
- 3) _______ force always acts in the opposite direction of motion.
- 4) A magnet attracts _______ objects.
- 5) The force due to gravity is called _______ force.
Match the Following:
| A | B |
|---|---|
| 1. Gravitational force | a. Magnet pulling iron nails |
| 2. Muscular force | b. Lifting a book |
| 3. Frictional force | c. Earth pulling objects downward |
| 4. Magnetic force | d. Resistance between moving objects |
Short Answer Questions:
- 1) Define force.
- 2) What is gravitational force? Give an example.
- 3)What is the role of friction in our daily life?
- 4) What are contact and non-contact forces?
Long Answer Questions:
- 1) Explain different types of forces with examples.
- 2) Why is friction both useful and harmful?
Chapter 11: Work and Energy
Fill in the Blanks:
- 1) Work is said to be done when an object is _______.
- 2) The ability to do work is called _______.
- 3) Energy obtained from the Sun is called _______ energy.
- 4) _______ energy is stored in food and fuel.
- 5) A moving car has _______ energy.
Match the Following:
| A | B |
|---|---|
| 1. Kinetic energy | a. Stretched rubber band |
| 2. Potential energy | b. Moving ball |
| 3. Solar energy | c. Energy from the Sun |
| 4. Chemical energy | d. Energy in food |
Short Answer Questions:
- 1) Define work. When is work said to be done?
- 2) What are the different forms of energy?
- 3) What is kinetic energy? Give an example.
- 4) What is the difference between potential energy and kinetic energy?
Long Answer Questions:
- 1) Explain the different forms of energy with examples.
- 2) How does energy transformation take place in daily life?
Chapter 12: Simple Machines
Fill in the Blanks:
- 1) A device that makes our work easier is called a _______.
- 2) A _______ is a simple machine that consists of a wheel with a rope.
- 3) A crowbar is an example of a _______.
- 4) A screw is an example of a _______.
- 5) A bicycle is an example of a _______ machine.
Match the Following:
| A | B |
|---|---|
| 1. Lever | a. Knife |
| 2. Pulley | b. Well bucket system |
| 3. Inclined plane | d. Ramp |
| 4. Wedge | c. Scissors |
Short Answer Questions:
- 1) What is a simple machine? Give two examples.
- 2) What is the function of a lever?
- 3) What is a pulley used for?
- 4) What is the difference between a wedge and an inclined plane?
Long Answer Questions:
- 1) Explain the types of simple machines with examples.
- 2) How do simple machines help in daily life?
