Worksheet:
Science
Class
VI
I.
Answer in one word:
1. Plants
do not absorb __________________ gas directly from the atmosphere.
2. Lightning
takes place due to ______________ of electricity between oppositely charged
clouds.
3. _________________
is the female part of the flower.
4. ____________
objects block the light completely and doenot allow it to pass through.
5. In a
bulb electrical energy is converted to___________ energy.
6. Clouds
have only liquid droplets.
7. Electric
current flows from positive to negative terminal of the cell.
8. 3After
fertilization ovary changes into ovules.
9. Sound
can travel in absence of air.
10. Oxygen
controls the process of burning.
11. Tap
root: carrot::_________: grass.
12. ______________: photosynthesis:: Oxygen:
respiration
13. Conductor: metal:: insulator:______________
14. Luminous
object:_________: non-luminous object: planet
15. ___________:
shadow:: coloured:Image.
16. The
gas which controls burning is Oxygen.
17. Breathing
roots gives extra support to the plant.
18. Light
travels in a wavy line.
19. Reflection
from a mirror gives clear shadow.
20. Human
body is an insulator of electricity.
II. Answer
the following:
1.
Give
two examples of the following:
a. Creepers____________,
______________
b. Plants
with tap roots._____________,______________
c. Translucent
objects________________,________________
d. Conductors______________,_________________
e. Forms
of precipitation________________,_________________
f. Natural
source of light_______________,__________________
g. Transparent
objects________________,_________________
2.
Give the scientific terms:
a. Part
of the flower that joins the stem.______________
b. Fusion
of male and female gamete______________
c. Combination
of cells________________
d. Process
of bouncing back of light rays that falls on a surface of an object_______
e. Amount
of water vapour in the air._______________.
f. Closed
loop along which the current can pass through___________.
g. Loss
of water from the leaves in the form of water vapour____________.
3.
Differentiate
Between:
a. Parallel
and Reticulate venation.
b. Conductors
and insulators.
c. Image
and Shadows
d. Transparent
and translucent objects.
III
Answer the following:
1. Garvit
observed shadow of a bird flying close to the surface of the earth, but when
the bird fly high up in the sky, no shadow was observed. Why?
2. Air
is a mixture of gases. Name any three gases along with their functions.
3. Leaves
are the kitchen of the plants. Justify
4. Samir
was playing badminton in the park with his friends. They put up two balls for
light in the playing area. After playing, they removed the net and samir went
ahead to remove bulbs from holders. But he could not hold as it was very hot.
a. What
is there in a bulb which makes it glow?
b. What
is it made of?
c. Name
the gasses present inside the bulb.
5. Lightning
conductor is always placed on the top of a building. Explain the reason behind
it. What is the main function of lightning conductor.
6. A
dark patch is observed on the ground when an individual walks during the day
time.
a. Name
the dark patch and define it.
b. What
are the three essentials for the formation of a shadow?
7. Ashmeet
prepares an electric circuit.
a. He
placed a safety pin in between the circuit. Will the bulb glow? Why?
b. He
placed an eraser in between the circuit. Will the bulb glow? Why?
8. Look
at the following diagram and answer the following questions
a. Label
Part a and b
b. Name
the type of venation.
9. Kushal
observed plastic coatings on the ends of connecting wires.
a. Why
are these plastic coatings removed before making circuits?
b. Why
are wires made of copper and not plastic?
10. Clothes
take longer time to dry after it has rained.
a.Why
do they take longer time?
b.Under what conditions does humidity takes place faster?
No comments:
Post a Comment