📘 Term 1 Revision Paper – Physics (Class 6)
Section A –
Q1. Choose the correct answer:
1. A thread is wound 10 times around a measuring scale. The length of the wound portion is 1 cm. The diameter of the thread is:
2. Which of the following is the smallest indivisible particle of matter?
3. The amount of surface occupied by an object is its:
4. An irregular surface will have:
5. Which expression is true?
6. Cu is the chemical symbol for:
7. Magnetic force is an example of:
8. Which of these is a contact force?
9. ______ is the measure of hotness or coldness of a substance.
10. The force of attraction between the particles of gases is:
11. Molecules in solids can:
12. 1 quintal is equal to:
13. Which of the following is not an element?
14. The SI unit of temperature is:
15. The type of friction in the moving wheels of a cart is:
Q2. Name the following:
a) An instrument used to measure human body temperature.
b) A push or pull that acts on a body.
c) The error caused due to incorrect positioning of the eye.
d) The type of force between two bodies not in contact.
Q3. True or False:
a) An element is a simple type of matter.
b) Force can bring a body to rest.
c) Matter is anything that occupies space and has mass.
d) Polishing a surface increases friction.
Q4. Match the following:
(Match Column A with Column B)
- Gravitational force → The force that attracts a body towards the Earth
- Friction → Increases friction for better grip
- Volume → The amount of space a body occupies
- Ruler → Used to measure length
- Element Carbon → Symbol C
- Spring balance → Device to measure force
- Heat → A form of energy
- Mercury → Liquid in thermometer
- Electrostatic force → Non-contact force
- Solid → Definite shape and volume
Section B –
Q5.
1. Draw a neat and labelled diagram of a room thermometer.
2. Define the two types of forces and give examples.
3. Differentiate between the three states of matter.
Q6.
1. An object thrown up comes down. Explain why.
2. Why is measuring length with a string not accurate?
3. Give five examples of elements. Difference between element & compound?
Q7.
1. Define area of a surface. Find area of triangle base=15 cm, height=20 cm.
2. Which state of matter has least density and why?
3. Can stretching a string change its shape? What is its state of matter?
Q8.
1. Define static and rolling friction.
2. Why does an eraser get smaller with use?
3. Why are aeroplanes streamlined like birds?
4. Which will have larger friction – heavy object or light object?
5. List 5 units used for measuring length.