Class – 4
Sub – Science
Time – 2:00 Hours
Marks – 80
Q1. Tick the correct answer. (5 Marks)
i.) Bottle opener is an example of ______________
a.) Inclined plane b.) Pulley c.) Lever
ii.) A push or pull is called ______________.
a.) Energy b.) Force c.) Work
iii.) A matter which cannot flow is _______________
a.) Solid b.) Liquid c.) Gas
iv.) Sugar is ______________ is water.
a.) Insoluble b.) Soluble c.) Floatable
v.) Coconut trees grow well in ________________ soil.
a.) Diesel b.) Sandy c.)Clayey
Q2. Fill in the blanks. (20 Marks)
i.) When we lift a bow, we apply _______________ force.
ii.) All living things depend on the sun for getting .______________
iii.) Ina salt solution ____________________is the solvent.
iv.) Boiling is faster than _______________.
v.) Matter exists in ________________ different states.
vi.) ________________ can prepare their own food.
vii.) ______________ is the form of food prepared by plants.
viii.) ________________ is a non-green plant.
ix.) Leaf is attached to the stem of the plant with the ______________.
x.) The part of a leaf that helps in the exchange of gases is _______________.
Q3. Complete the table on the properties of matter. (10 Marks )
Solid Liquid Gas
Particles Tightly Packed _________________ _________________
Shape Rigid Shape __________________ __________________
Volume Fixed volume __________________ __________________
Flow Does not flow __________________ ___________________
Hardness very Hard _________________ __________________
Q4. Write keywords. (15 Marks)
i.) Force:-
ii.) Matter:-
iii.) Volume:-
iv.) Chlorophyll:-
v.) Starch:-
Q5. Write true or false for the following statements. (5 Marks)
i.) Plants take in air through stomata. ( )
ii.) Leaves give out oxygen through the veins. ( )
iii.) Soil is important for all life forms on Earth. ( )
iv.) Humus is not good for craps. ( )
v.) Silt are between the size of gravel and sand. ( )
Q6. Answer the following questions. (20 Marks )
i.) What are simpler machines? How do they make our work easier?
ii.) What is The matter? Give two examples.
iii.) Why are plants called producers?
iv.) What is the food chain? Give example.
v.) How spins are helpful to cactus?
Q7. Match the following. (5 Marks)
Column I Column II
a.) Crown i.) Present below the gum
b.) Bacteria ii.) The soft part inside the dentine.
c.) Pulp iii.) Pneumonia
d.) Perm anent teeth iv.) Visible above the gum
e.) Root v.) Thirty-two