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SUMMATIVE ASSESSMENT – II
CLASS – IV
ASSIGNMENT (2014-15)
SUBJECT – SCIENCE
Q1. Fill in the blanks:a)
b)
c)
d)
The amount of space matter takes up is called its ----------------------------.
Never touch electrical equipments with ----------------------- hands.
----------------------- is the ability to do work.
Soil, water, sun are ---------------------- sources of energy.
Q2. Match the following:a)
b)
c)
d)
Coal & petroleum
cut or would due to rusted objects.
Gemstones
water cycle
Tetanus
Non –renewable resources
The continuous flow of water in the house minerals.
Q3. Write True or False.
a)
b)
c)
d)
Mantle is the innermost layer of earth.
Soil can be made rich by erosion.
All planets revolve around a star.
We can avoid accidents by being alert.
Q4. Choose the correct answer:a) The smallest particle that can exist independently is1) Atom
2) Molecule
c) Proton
b) Which of the following is also called a red planet1) Earth
2) Mars
3) Saturn
c) The heat of sun causes1)wind to blow
2) water to evaporate
3) Both (1)& (2)
d) Soil is formed by the process of1) moulting 2) volcanic eruption
3) weathering
Q5. Answer in one word or two words:a)
b)
c)
d)
The solid that dissolves in water.------------------------The force that opposes the motion of a body.---------------------Small balls of ice that fall like rain.--------------------D) The hottest planet.---------------------
Q6. Give reasons for the following:a)
b)
c)
d)
We need a container to store a liquid.
The earth is a unique planet.
Resources are needed to be conserved.
Sandy soil is not fit for growing crops.
Q7. Change the underlined word and correct the sentences:a)
b)
c)
d)
The rotation of the earth causes changes in seasons.
There are total eighty-eight known galaxies.
Ores are the building blocks of all rocks.
Use of bucket while bathing wastes a lot of water.
Q8. Answer the following in one or two sentences.
a)
b)
c)
d)
Does the volume of a liquid change if a solid gets dissolved init?if No why?
How are days and nights formed.Explain with a diagram?
Coastal areas are cool during the day? Why?
How is humus formed?
Q9. Write two examples of each:a)
b)
c)
d)
Planets ------------------- ----------------Constellations ------------------- -----------------------Simple machines------------------------ --------------Renewable resources ---------------- -------------
Q10. Answer the following:a)
b)
c)
d)
What is soil erosion? How can soil erosion be checked?
Distinguish between rotation and revolution .
Write three properties of gases.
How is the energy of moving water utilised?
Q11. Define:a) Force b) Ores
c) Planet
d) Antiseptic
Q12. Answer in details:a) Write two safety rules for each of the following:1) On road 2) At home 3) At school
b) How do we get rain?
Q13. Draw , colour &label :a) Solar system
b) Molecular arrangement of solid ,liquid and gas.
c) Simple machines- Wedge and pulley.
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