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  • 1 answers

Meghna Thapar 5 years, 10 months ago

A sweater is made of wool. When a sweater is taken off, it gets charged because of rubbing. Due to this, we get to hear a crackling sound.
  • 3 answers

Anushka Pandey 5 years, 11 months ago

Water is tasteless and colour less

Sukriti Kaushal 5 years, 11 months ago

Water is colourless and tasteless. It has equal volume but not equals shape and size.

Yogita Ingle 5 years, 11 months ago

  • Water is colorless and tasteless liquid. The molecules of water have extensive hydrogen bonds resulting to unusual properties in the condensed form.
  • Water reacts with a lot of substances to form different compounds.
  • 7 answers

Anushka Pandey 5 years, 11 months ago

The object which have its own lights are called luminous. Such as Sun, Moon and torch.

Rohan Nair 5 years, 11 months ago

Object that have their own light is called luminous object EG- flame of light

Khushi Pathak 5 years, 11 months ago

Object which have their own light are called luminous object.

Sukriti Kaushal 5 years, 11 months ago

Object which have their own light are called luminous object. Example– bulb.

Karabi Bhattacharjee 5 years, 11 months ago

Objects having their own light

Nitika Sharma 5 years, 11 months ago

Objects which have their own light are called luminous objects.Example- Sun

Gunn Garg 5 years, 11 months ago

Objects which give light
  • 1 answers

Sukriti Kaushal 5 years, 11 months ago

In chapter 9 we learn the characteristic and habitat of Living Organism and abiotic and biotic component and and stimuli and reproduction and in Chapter 11 we learn about light shadow and reflection shadow is formed when there is a source of light and Opaque object and a screen where the shadow form.
  • 3 answers

Anushka Pandey 5 years, 11 months ago

Car and the bus

Sukriti Kaushal 5 years, 11 months ago

The non living thing is car that shows two characteristic of a living thing.A car can move from one place to another place also it requires energy just like living things.

Yogita Ingle 5 years, 11 months ago

Car is an example of a non-living thing that shows two characteristics of living things. A car can move from one place to another. Also, it requires energy just like living things.

  • 2 answers

Sukriti Kaushal 5 years, 11 months ago

The Cotton lamps shrink in water because there is a there is many holes in the cotton lamps it fill with air and when they come in water the holes are fill with water and they become heavy.

Yogita Ingle 5 years, 11 months ago

Cotton wool remains fluffy because of air trapped in it. When a lump of cotton wool is dipped in water, the air goes out of the lump. Due to this, the cotton wool shrinks when dipped in water.

  • 3 answers

Anushka Pandey 5 years, 11 months ago

it's made of vapour of water

Sukriti Kaushal 5 years, 11 months ago

The water present on the earth evaporates due to heating bye sun the water vapour in the air condensers to form tiny droplets of water at high altitude which appears as clouds.Thus, clouds are formed bye condensation of water vapour present in in air in high altitude.

Vikram Lohana 5 years, 11 months ago

it is made up from water vapour
  • 1 answers

Sukriti Kaushal 5 years, 11 months ago

Leaves help in exchange of gases Leaves help in transpiration
  • 1 answers

Meghna Thapar 5 years, 10 months ago

The term magnetism comes from the region of Magnesia, a city in Western Turkey, where Greeks found lodestones, which attracted iron pieces across the space. It is also observed that, magnets attract as well as repel. This dual nature of magnetic force is explained by proposing that each magnet has two poles, north pole (N) and south pole (S). Yo 1) When two magnets are brought near each other, like poles repel; opposite poles attract. 2) When a magnet is brought near a piece of iron, the iron also gets attracted to the magnet, and it acquires the same ability to attract other pieces of iron. This force effect of a magnet on iron-like objects with a concept called magnetic field
  • 5 answers

Shikha Prajapati 5 years, 11 months ago

Periodic motion

Sukriti Kaushal 5 years, 11 months ago

Periodic motion???????

Gunjan Tare 5 years, 11 months ago

Periodic motion

Mehrun Nisha 5 years, 11 months ago

Periodic motion lol???

Shristi Kharwar 5 years, 11 months ago

Motion of pendulam of clock is periodic motion
  • 0 answers
  • 0 answers
  • 2 answers

Sukriti Kaushal 5 years, 11 months ago

The muscles of the fish make the front part of the body curve to one side and the tail part swing towards the opposite side then this make a jerk and pushes the the body forward.

Yogita Ingle 5 years, 11 months ago

  • Fishes found in oceans, rivers, lakes, aquarium etc.
  • Fish locomotion is swimming in water. Body of fish is slimmer than the middle portion, it is called tapered ends and this shape is called streamlined body.
  • This type of shape allows the fish to move easily in the water.
  • Fishes has well-arranged skeleton covered with strong muscles.
  • Fishes swims by moving its body and tail in opposite direction to each other, they stretch the body and relaxing the tail in opposite direction this forms a curve, then quickly the body moves other side and the tail on the opposite this creates the jerk and pushes the fish in forward direction.
  • This movement is helped by the fins present on tail and also the fins presents on body helps to balance the body while swimming.
  • 2 answers

Sukriti Kaushal 5 years, 11 months ago

The change which does not change in its original position.

Nitika Sharma 5 years, 11 months ago

The change that is not reversible.
  • 2 answers

Yogita Ingle 5 years, 11 months ago

No, garbage disposal is not only the responsibility of the government. It is our responsibility as well. It is our duty to keep our environment clean. Along with government and local municipal corporation, we all should throw garbage at proper place. We should think about reuse of waste, so that they can be recycled before throwing them.

Aakash Kumar 5 years, 11 months ago

No it is work for all human beings
  • 5 answers

Anushka Pandey 5 years, 11 months ago

When any object block the way of the lights are called shadows

Sukriti Kaushal 5 years, 11 months ago

When the Opaque object block the path of the light which forms shadow

Vinod Kumar 5 years, 11 months ago

When an object blocks the path of the light are formed shadow

Gunjan Tare 5 years, 11 months ago

When an opaque object blocks the path of the light

Yogita Ingle 5 years, 11 months ago

When an object is placed in path of light, a dark portion is formed on the opposite side of object. This dark portion is shadow.

  • 2 answers

Sukriti Kaushal 5 years, 11 months ago

Rain, river, lakes ,ponds, Wells etc.

Nitika Sharma 5 years, 11 months ago

Rain,oceans,rivers,seas,lakes,ponds,well,tubewells.
  • 2 answers

Zuber Niyatar 2 years, 1 month ago

neme the main sources of water?

Vinod Kumar 5 years, 11 months ago

Pond,river,lake
  • 4 answers

Anushka Pandey 5 years, 11 months ago

The example of the luminous object are following: Torch and Moon

Sukriti Kaushal 5 years, 11 months ago

Sun and bulb

Sanskaar Kushwaha 5 years, 11 months ago

Sun

Yogita Ingle 5 years, 11 months ago

Luminous Objects are objects which exhibit light in their own.
Examples: - Sun, flame of a burning candle

  • 4 answers

Anushka Pandey 5 years, 11 months ago

There are two poles of magnet. N-S (North and South)

Sukriti Kaushal 5 years, 11 months ago

Two poles 1.north pole 2.south pole

Gupta Sakshi Gupta 5 years, 11 months ago

2

Mahendra Singh 5 years, 11 months ago

Two
  • 2 answers

Sukriti Kaushal 5 years, 11 months ago

Methuselah???

Gupta Sakshi Gupta 5 years, 11 months ago

Methuselah
  • 2 answers

Pinky Jha 5 years, 11 months ago

Flow of electricity through an electric current

Yogita Ingle 5 years, 11 months ago

A closed path through which the electric current flows is called an electric circuit. The direction of electric current in an electric circuit is from the positive terminal to the negative terminal. This is opposite to the direction of flow of electrons; which is from the negative terminal to the positive terminal.

  • 3 answers

Gupta Sakshi Gupta 5 years, 11 months ago

Ascillatory :The clock

Gupta Sakshi Gupta 5 years, 11 months ago

Periodic :Motion of pendulam

Parv Aadi 5 years, 11 months ago

Periodic motion :- a children on swing Ascillatory motion :- exillator
  • 3 answers

Anushka Pandey 5 years, 11 months ago

The place where organisms live is called Habitat

Gupta Sakshi Gupta 5 years, 11 months ago

Surrounding where plants and animals live is called habitat

Tanisha Mate 5 years, 11 months ago

The surroundings where plants & animals live is called their habitat
  • 1 answers

Yogita Ingle 5 years, 11 months ago

  • Magnets are used inside TVs, Sound speakers and radios. The small coil of wire and a magnet inside a speaker transforms the electronic signal to sound vibrations.
  • Magnets are used inside a generator to transform mechanical energy to electrical energy where there are other kinds of motors which use magnets to change electrical energy to mechanical energy.
  • Electrically charged magnets can help cranes to move large metal pieces.
  • Magnets are used in filtering machines which separates metallic ores from crushed rocks.
  • It is also used in food processing industries for separating small metallic pieces from grains etc.
  • Magnets are used in MRI machines which are used to create an image of the bone structure, organs, and tissues. Even magnets are used to cure cancer.
  • At home, you use magnets when you stick a paper on the refrigerator in order to remember something. Attaching a magnetic bottle opener to the fridge can come in handy.
  • 1 answers

Yogita Ingle 5 years, 11 months ago

Reversible changes Irreversible changes
A substance can return to its original state. A substance cannot return to its original state.
The chemical properties of the substance do not change. The chemical properties of the substance change.
Most physical changes are reversible changes. All chemical changes are irreversible changes.

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