CBSE > Class 08 > Science | CBSE Board | Homework Help

Personal hygiene includes: cleaning your body every day. washing your hands with soap and water after going to the toilet. brushing and flossing your teeth twice a day. covering your mouth and nose with a tissue (or your sleeve) when sneezing or coughing

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ANSWER

List Some Changes In Puberty In Both Girls And Boys?

Posted by Pari Sharma 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

Soumya Waingade 2 months, 3 weeks ago

Boys Increase in weight of bones and muscles, Appearance of hair in face ,Crackling voice

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ANSWER

What is Sound?

Posted by Devishi Marodia 5 months, 1 week ago

CBSE > Class 08 > Science

3 answers

Pranjal Verma 5 months ago

Sound is the form of which travels in the form of vibrations

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Hency Modi 5 months, 1 week ago

Sound is a form of energy which needs medium to travel

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Pari Sharma 5 months, 1 week ago

Sound is a form of energy that travels in the form of Vibration.

3Thank You

ANSWER

What Is Menstruation? 🩸

Posted by Pari Sharma 5 months, 1 week ago

CBSE > Class 08 > Science

2 answers

Hency Modi 5 months, 1 week ago

Testosterone is the male hormone estrogen female hormone. The uterine wall in female prepares itself to receive the developing fertilised Egg. In case there is no fertilisation the thicned lining of the uterine wall Break down and goes out of the body along with the blood. This is called menstruation.

1Thank You

Abhinav Mondal 2 months, 3 weeks ago

Menstruation is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the ******. The menstrual cycle is characterized by the rise and fall of hormones. Menstruation is triggered by falling progesterone levels and is a sign that pregnancy has not occurred.

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ANSWER

What are test tube babies

Posted by Hency Modi 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

Rithika . 5 months ago

When a ouva of mother and sperm of dad is kept in test tube and keep for 1 or 2 weeks and make them to fuse. If there is small change or little growth in that egg . They will keep in mothers uterus by tube this is called ivf in vitre fertilisation

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Posted by Hency Modi 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

Hency Modi 5 months, 1 week ago

Till 9 Dec 10:28

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Join this Challange Code:-10733604107 till 9 Dec 2:18

Posted by Hency Modi 5 months, 1 week ago

CBSE > Class 08 > Science

0 answers

ANSWER

Which Organ Produces Eggs In Female Body?

Posted by Pari Sharma 5 months, 1 week ago

CBSE > Class 08 > Science

2 answers

Om Dubey 5 months, 1 week ago

Ovaries

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Hency Modi 5 months, 1 week ago

Ovaries

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ANSWER

Define External Fertilisation?

Posted by Pari Sharma 5 months, 1 week ago

CBSE > Class 08 > Science

3 answers

Hari ⚡🏎️⚡ 2 months, 3 weeks ago

External fertilization is the process where the fertilisation where the methods of fertilisation takes place outside the body like in frogs

0Thank You

Swini Jain 4 months, 3 weeks ago

The fusion of male and female gamate takes place out the female 's body is called external fertilisation. EXAMPLE - frog, starfish, fish etc.

0Thank You

Hency Modi 5 months, 1 week ago

Fertilisation which takes place outside the female body is called External fertilisation

2Thank You

ANSWER

Give Some Examples Of Oviparous Animals?

Posted by Pari Sharma 5 months, 1 week ago

CBSE > Class 08 > Science

2 answers

Om Dubey 5 months, 1 week ago

Birds ,frog

1Thank You

Hency Modi 5 months, 1 week ago

Hen, snakes, fishes, Birds, crocodile etc...

2Thank You

ANSWER

What Is The Function Of Tail In Male Sperm?

Posted by Pari Sharma 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

Hency Modi 5 months, 1 week ago

It control the direction

1Thank You

ANSWER

Name A Male Germ?

Posted by Pari Sharma 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

Hency Modi 5 months, 1 week ago

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Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

1Thank You

ANSWER

What are the factors that affect friction between tow solids?

Posted by Paheli D 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

Om Dubey 5 months, 1 week ago

the adhesion between body surfaces (ii) roughness of the surface (iii) deformation of bodies

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ANSWER

Name the force which always oppose motion

Posted by Paheli D 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

Abhinav Mondal 5 months, 1 week ago

Friction is a force that always opposes all motion, it always acts in a direction exactly opposite to that in which an object is moving (or trying to move) and typically comes when the surface rubs or drags against another as it moves

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Why is the weight of an object on moon 1/6 th weight on earth

Posted by Shruti Gawali 5 months, 1 week ago

CBSE > Class 08 > Science

0 answers

ANSWER

Difference Between Noise And Music,?

Posted by Pari Sharma 5 months, 2 weeks ago

CBSE > Class 08 > Science

2 answers

Hency Modi 5 months, 1 week ago

Music is produced by nature, musical Instrument...... and noise is produced by sounds of vehicle, loudspeaker etc.....

2Thank You

Hency Modi 5 months, 1 week ago

Music is a sound which produces a pleasing Sensation while noise is a unwanted and unpleasent sound

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ANSWER

Steps To Limit Noise Pollution?

Posted by Pari Sharma 5 months, 2 weeks ago

CBSE > Class 08 > Science

2 answers

Hency Modi 5 months, 1 week ago

•Silencing device should be installed in Air craft engines, transport vehicles, Industrial machines and home appliances •use of automobiles should be minimised

1Thank You

Hency Modi 5 months, 1 week ago

T. v and music system should be run at low volume

1Thank You

ANSWER

What Is Time Period?

Posted by Pari Sharma 5 months, 2 weeks ago

CBSE > Class 08 > Science

3 answers

Swini Jain 5 months ago

Time taken by moving body to complete one oscillation is called time taken

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Hency Modi 5 months, 1 week ago

Time period =time taken/no.of oscillation

1Thank You

Swini Jain 5 months, 2 weeks ago

Time taken to complete one oscillation is called time period

1Thank You

ANSWER

Define Frequency, Amplitude And Time Period.

Posted by Pari Sharma 5 months, 2 weeks ago

CBSE > Class 08 > Science

1 answers

Rithika . 5 months, 2 weeks ago

1Thank You

ANSWER

Define parts of Ear?

Posted by Pari Sharma 5 months, 2 weeks ago

CBSE > Class 08 > Science

0 answers

ANSWER

Difference between Noise and music?

Posted by Shobhit Dwivedi 5 months, 2 weeks ago

CBSE > Class 08 > Science

0 answers

ANSWER

What are the sources of Noise Pollution?

Posted by Pari Sharma 5 months, 2 weeks ago

CBSE > Class 08 > Science

1 answers

Shobhit Dwivedi 5 months, 2 weeks ago

1 Loudspeakers And Crackers 2 Televisions / Transistors Running At High Volume 3 Horns Of Busses, Cars And Trucks 4 Home Appliances Such As Mixer, Etc

1Thank You

ANSWER

Nots

Posted by Md Hasan Mazumder 5 months, 2 weeks ago

CBSE > Class 08 > Science

0 answers

ANSWER

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
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Posted by ✿Black Devil☯ ☯Msm☯ 5 months, 1 week ago

CBSE > Class 08 > Science

0 answers

ANSWER

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
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Posted by Diksha & Anshika Sinha 5 months, 1 week ago

CBSE > Class 08 > Science

1 answers

✿Black Devil☯ ☯Msm☯ 5 months, 2 weeks ago

Give another code

1Thank You

ANSWER

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
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Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Diksha & Anshika Sinha 5 months, 1 week ago

CBSE > Class 08 > Science