why antibiotics should not be overused.Prepare a short report.
you can fill a bucket from a downstairs tap quicker than a upstair tap .why ?
a spoon can sound like a bell. No, this is not riddle. it's science. prove it?
why do synthetic fibre soak less water than natural fibres?
do they take less time to dry and why?
what does this activity tell you about the characteristics of synthetic fibres?
diagram of seed drill
what is the use of winnowing machine
why antibiotics should not be overused.Prepare a short report.
2. what is required for a force to come into play?
3. What happens when two forces act in same direction?
4. A ball is in rest. When it is pushed, why it starts moving?
5. What is role of force on the speed of moving object?
6. Is the gravity a property of earth only?
7. Does liquids and gases also exert pressure?
8. What is atmosphere?
9. How to feel force in daily life?
10. What is electrostatic force? Why is it called non-contact force?
11. We observe that the wheels of buses and trucks are heavier than the wheels of car or scooters. Why?
12. What are the examples of muscular force?
13. Give two examples of a situation in which applied force causes a change in the shape of an object.
14. How to change the speed and the direction of a moving body?
15. What are the efftects of force?
Mark the places in the map where you find coal petroleum and natural gas
show the places where petroleum refineries are also situated
you can fill a bucket from a downstairs tap quicker than a upstair tap .why ?
a spoon can sound like a bell. No, this is not riddle. it's science. prove it?
why do synthetic fibre soak less water than natural fibres?
do they take less time to dry and why?
what does this activity tell you about the characteristics of synthetic fibres?
diagram of seed drill
what is the use of winnowing machine