a) write any two properties of a
magnet .
b) define insulators with one example.
c) give two examples of periodic motion.
d) what is a habitat.
e) how is cactus adapted to survive in a desert.
Answers
Answer:
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Explanation:
a answer = 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.
b = insulator. A material that does not easily transmit energy, such as electric current (see also current) or heat. Materials such as wood, plastic, and ceramics are insulators. Fiberglass is an example of a heat insulator. (Compare conductor
c = Periodic motion, in physics, motion repeated in equal intervals of time. Periodic motion is performed, for example, by a rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion, the Earth in its orbit around the Sun, and a water wave.
d= In ecology, habitat identifies as the array of resources, physical and biotic factors, present in an area that allow the survival and reproduction of a particular species. A species habitat can be seen as the physical manifestation of its ecological niche
e = A cactus has special adaptations in its roots, leaves as well as stems that enable it to thrive in desert environments. These adaptations include – spines, shallow roots, deep-layer stomata, thick and expandable stem, waxy skin and a short growing season.
Answer:
a)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 eachother
.b)Insulator. A material that does not easily transmit energy, such as electric current (see also current) or heat. Materials such as wood, plastic, and ceramics are insulators. Fiberglass is an example of a heat insulator. (Compare conductor.)
Explanation:
c)Periodic motion, in physics, motion repeated in equal intervals of time. Periodic motion is performed, for example, by a rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion, the Earth in its orbit around the Sun, and a water wave
d).In ecology, habitat identifies as the array of resources, physical and biotic factors, present in an area that allow the survival and reproduction of a particular species. A species habitat can be seen as the physical manifestation of its ecological niche.
e.)A cactus has special adaptations in its roots, leaves as well as stems that enable it to thrive in desert environments. These adaptations include – spines, shallow roots, deep-layer stomata, thick and expandable stem, waxy skin and a short growing season.