1. In the paragraph below, write 'solid'. 6 What will ha
liquid' or 'gas' in each of the brackets (a) Nails are
depending on the substance referred
(b) A bell is
to just before.
(c) Rubber
On a bright sunny day, Riya and Gargi
tongs.
are playing with a ball (Gold)
in the park. Gargi feels thirsty. So,
(d) A knife
Riya brings tender coconut water
(e) An axe
(Liquid for her. At the same time, a 7. Who am I?
strong breeze (Gas) starts blowing (a) I'm for
and it also begins to rain (
measur
They run back into the house (Solid
(b) I make
change their clothes (
(c) I have
their mother gives them a cup (titud solicka) I diss
of hot milk
to drink.
kerose
) and then
liquid
Answers
Answer:
HI MATE,
I CANT UNDERSTAND YOUR QUESTIONS.
ANYWAY I WILL TRY TO ANSWER IT FOR YOU...
1. On a bright sunny day, Riya and Gargi are playing with a ball (solid) in the park. Gargi feels thirsty. So, Riya brings tender coconut water (liquid) for her. At the same time, a strong breeze (gas) starts blowing and it also begins to rain (liquid). They run back into the house (solid), change their clothes (solid) and then their mother gives them a cup (solid) of hot milk (liquid) to drink.
a. If nails are made out of plastic, they cannot be used for its usual purposes. They could not be hammered like iron nails and ould not possess the strength which iron nails have. It means they would have no strength to hold the things together.
b. If a bell is made of wood, it will not ring. The bells are made up of metals like copper etc. as they show the property of sonority i.e. the ability to produce a ringing sound when striked upon. Wood does not have this property and hence cannot be used to make bells.
c. Tongs are made up of metals and they have the ability to conduct heat. If rubber is attached to the tongs, the heat will be transfered to the rubber and it will melt off.
d. Knife is used to cut vegetables, fruits etc. The regular knifes which we use are made up of metals like iron etc. as they are hard, strong and durable. Also they can be sharpened and moulded into shapes which we desire. Knifes made out of wood cannot be used for cutting or chopping purposes.
e. An axe is used to cut and chop wood. It is made up of metals beacause they are stong, hard and durable. Also they can be moulded and sharpened which is an important characteristic. These properties are not applicable to rubber. An axe made of rubber will neither be hard nor sharp enough so that it can be used for its usual purposes.
(a) I’m found in a thermometer, I measure your temperature- Mercury
(b) I make things hot or cold- Temperature
(c) I have no shape whatsoever !- Gas
(d) I dissolve in water, but not in kerosene- Salt
a. Coconut oil is made up of two types of fat- saturated and unsaturated fats. It contains 90% saturated fats and 10% unsaturated fats. It remains liquid at higher temperatures but turns into solid as the temperatures drop in winters. This property of coconut oil is attributed to the higher content of saturated fats. Oils like mustard oil, sunflower oil remain liquid even in winters because they contain less amount of saturated fats as compared to coconut oil.
b. Kerosene left open in a dish disappears because it is a volatile compound. It quickly evopurates if it is kept in open.
c. When the incense stick is lighted, it releases smoke which contains the fragrance. Smoke is a form of gas which quickly spreads in the entire room along with the fragrance and thus making the entire room fragrant.
d. The picture shows two things which are present in tub of water. One is a balloon which floats on the surface of the water while the other is an apple which sinks to the bottom of the tub. The balloon floats on the surface of the water because it has less denity as compared to the density of the water whereas the apple sinks to the bottom of the tub because it has more density than water.
Explanation:
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