What is a habitat
(2) Why frogs are called amphibians of animal kingdom.
(3) What are stimuli and response? Give an example
(4) Why can a pace or footstep not be used as a standard unit of length?
(5) Write the similarities and difference between the motion of a bicycle and a
ceiling fan that has been switched on.
(6) What do you mean by term measurement?
(7) Explain the term
(a) Transparent objects (b) opaque objects
(8) Write any two properties of a magnet
(9) How is a compass used of find directions?
(10) How are clouds formed?
(11) What is the composition of air?
(12) Where are poles of a bar magnet located?
(13) What are luminous objects? Give two examples.
Answers
Explanation:
2.Frogs belong to a group of animals called amphibians. ... Amphibian means two-lives. Frogs begin their lives in the water as eggs and then tadpoles and when they are fully developed they live on land. Scientists believe that there are more than 4,000 different kinds of amphibians on Earth.
3.Examples of stimuli and their responses: You are hungry so you eat some food. A rabbit gets scared so it runs away. You are cold so you put on a jacket
4.Why can a pace or a footstep not be used as a standard unit of length? Solution: Pace or a footstep cannot be used as a standard unit of length because it varies from person to person.
5.Write the similarities and the differences between the motion of a bicycle and a ceiling fan that has been switched on. Answer. ... Differences between the motion of a bicycle and a ceiling fan is that a bicycle has linear motion as it moves forward, whereas ceiling fan does not possess the linear motion
6.Measurement is the numerical quantification of the attributes of an object or event, which can be used to compare with other objects or events. ... Measurement is a cornerstone of trade, science, technology, and quantitative research in many disciplines.
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