21. Write any two properties of a magnet and where are
22. What do mean by insulators? Give its examples.
23. Which of the non living things listed below, were on
Answers
Answer:
1.Two properties of a magnet are:
(i) A magnet always has two poles: a north pole and south pole.
(ii) Like magnetic poles repel each other and unlike magnetic poles attract each other.
2.An insulator is a material whose internal electric charges do not flow freely . eg-plastics, Styrofoam, paper,rubber, glass and dry air.
3.The non-living things which were once a part of living things are butter, leather, wool, cooking oil, apple, and rubber. Butter is made from milk, which is obtained from dairy animals. Leather is obtained from the skin of animals. Wool made from the hair of sheep.
Answer:
21) Two properties of a magnet are:
(i) A magnet always has two poles: a north pole and south pole.
(ii) Like magnetic poles repel each other and unlike magnetic poles attract each other.
22)An insulator is a material whose internal electric charges do not flow freely . eg-plastics, Styrofoam, paper,rubber, glass and dry air.
23)The non-living things which were once a part of living things are butter, leather, wool, cooking oil, apple, and rubber. Butter is made from milk, which is obtained from dairy animals. Leather is obtained from the skin of animals. Wool made from the hair of sheep.