Question1.
Fill in the blanks in the following
(i) Artificial magnets are made in different shapes such as __________, __________ and ____________.
(ii) The Materials which are attracted towards a magnet are called________.
(iii) Paper is not a ______ material.
(iv) In olden days, sailors used to find direction by suspending a piece of
___________.
(v) A magnet always has __________ poles.
Answer:
(i) Artificial magnets are made in different shapes such as bar-magnet, cylindrical magnet and horse-shoe magnet.
(ii) The Materials which are attracted towards a magnet are called magnetic material.
(iii) Paper is not a magnetic material.
(iv) In olden days, sailors used to find direction by suspending a piece of bar-magnet.
Question2.
State whether the following statements are true or false
(i) A cylindrical magnet has only one pole.
(ii) Artificial magnets were discovered in Greece.
(iii) Similar poles of a magnet repel each other.
(iv) Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
(v) Bar magnets always point towards North-South direction.
(vi) A compass can be used to find East-West direction at any place.
(vii) Rubber is a magnetic material.
Answer:
Answer:
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Explanation:
Answer:
The correct answer will be false
Explanation:
The somatic nervous system is a part of the peripheral nervous system which controls the voluntary action of the muscle which includes afferent and efferent neurons.
The sympathetic and parasympathetic nervous system are the parts of the autonomic nervous system which influences the function of the internal organs like smooth muscle and glands.
Thus, option false will be the correct answer.
The statement "individuals with hypertension are advised to limit their dietary sodium intake to less than 1.5 grams a day" is true.
When the blood pressure that is higher than normal it is referred to as hypertension. It is the blood pressure that occurs when force of the blood against artery walls is excessively high. It is associated with excessively high levels of sodium in a diet.
For a fit human body the intake of less than 5 grams per day for adults helps to reduce the blood pressure and the risk of cardiovascular disease, stroke and coronary heart attack.
To know more about Hypertension refer to the link:
brainly.com/question/26093747
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