Class- VI SCIENCE
SYLLABUS – CHAP 7 GETTING TO KNOW PLANTS
CHAP- 11-LIGHT SHADOWS AND REFLECTION
CHAP- FUN WITH MAGNETS
CHAP- AIR AROUND US
SECTION-A
1. Define Optical medium
2. What are Magnetic keepers?
3. Answer the following questions on the basis of your understanding of the following
paragraphs and related studied concepts : The burning of fuels such as coal, coke petroleum products, wood, etc produces carbon dioxide, water vapour, and smoke and heat energy. The smoke contains carbon particles and some harmful gases, which can cause air pollution. So in big factories where the above fuels are used, tall chimneys are provided. These chimneys carry the harmful gases and smoke to the upper layers of atmosphere and prevent pollution of air to some extent.
a) What harmful products are formed by the burning of fuels?
b) Why do factories have tall chimneys?
c) What does the smoke coming out from the chimneys of factories contain?
4. For question 4, two statements are given - one labeled assertion ( A) and other labeled reason ( R) .Select the correct answer to these questions from the codes (i) , (ii), (iii) (iv) as given below:
Assertion (A):
The nitrogen is used for making fertilizers needed for agriculture.
Reason (R):
Fertilizers are required by plants to grow
I) A is true but R is false
II) Both A and R true and R is correct explanation of A
III) A is false but R is true
IV) Both A and R are true but R is not correct explanation of A
5. A body which emits light by itself is
a) Luminous body c) Opaque body
b) Non luminous body d) Shadow
6. When we move an abject away from the source of light the shadow of the object_______
(a) Becomes bigger (c) remains the same
(b) Becomes smaller (d) disappears
SECTION –B
SHORT ANSWER TYPE II
7. Why is flower important to a plant? Name its parts from outside to center?
OR
Why is photosynthesis essential for plants? Write its chemical reaction.
8. How will you use pinhole camera to see the solar eclipse? What precaution is necessary in its use?
9. Answer the following questions on the basis of diagram
a)The diagram shown is of ?
b) What is the function of this simple device?
c) What happens when the north pole of a permanent magnet is brought near the south pole of this simple device?
10. How do the plants and animals help each other by the exchange of gases present in the air?
11.State three conditions for the formation of shadow.
12.Classify the following objects as magnetic or non magnetic. A shaving blade, a plastic ruler, a steel cupboard, a piece of chalk,a blade of knife, and wooden stick .
13.Make a list of all components of air.
14 Mention three differences between roots and stems.
15. How are bar magnets stored explain?
SECTION –C
LONG ANSWER QUESTIONS:
16.What is transpiration and how can you demonstrate it in plants?
17.What is the principle of pinhole camera? State the three characteristics of the image formed
in the pinhole camera.( draw diagram).
18.By a simple experiment prove that air is essential for burning.
Please click on below link to download CBSE Class 6 Science Worksheet Set J
