Class 6 Science Chapter 5 Body Movements.
THIS PAGE INCLUDES :
- CHAPTER OVERVIEW -
These Topics are covered in NCERT Class 6 Science Chapter 5 Body Movements.
# Body Movements
# Human Skeletal System
# Type of Bones
# Type of Joints
# Gait of Animals
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Which includes :-
# Class 6 Science Chapter 5 Explanation.
# Class 6 Science Chapter 5 Important Questions.
# NCERT Solutions :
Class 6 Science Chapter 5 NCERT Solutions are completely based on NCERT Book for Class 6 Science Chapter 5 Body Movements. These NCERT Solutions for Class 6 Science Chapter 5 Body Movements contains Answers and detailed explanation of Questions talked about in NCERT Class 6 Science Chapter 5 Body Movements. Here we suggest you to go through these Class 6th Science Chapter 5 NCERT Solutions thoroughly to strengthen you understanding about this Chapter of Class 6 Science.NCERT Solutions for Class 6 Science Chapter 5 - Q1.
Q1. Fill in the blanks:
(a) Joints of the bones help in the Movement of the body.
(b) A combination of bones and cartilages forms the Skeleton of the body.
(c) The bones at the elbow are joined by a Hinge .
(d) The contraction of the Muscle pulls the bones during.
NCERT Solutions for Class 6 Science Chapter 5 - Q2.
Q2. Indicate ‘True’ and False’ among the following sentences:
(a) The movement and locomotion of all animals is exactly the same.
Ans. False
(b) The cartilages are harder than bones.
Ans. False
(c) The finger bones do not have joints.
Ans. False
(d) The fore arm has two bones.
Ans. True
(e) Cockroaches have an outer skeleton.
Ans. True
NCERT Solutions for Class 6 Science Chapter 5 - Q3.
Q3. Match the following from column I with that of column II.
| Column I | Column II |
|---|---|
| Upper jaw | Have fins on the body. |
| Fish | Has an outer skeleton. |
| Ribs | Can fly in the air. |
| Snail | Is an immovable joint. |
| Cockroach | Protect the heart. |
| Shows very slow movement. | |
| Have a streamline body. |
Answer.
| Column I | Column II |
|---|---|
| Upper jaw | Is an immovable joint. |
| Fish | Have fins on the body and have a streamline body. |
| Ribs | Protect the heart. |
| Snail | Shows very slow movement. |
| Cockroach | Can fly in the air and has an outer skeleton. |
NCERT Solutions for Class 6 Science Chapter 5 - Q4.
Q4. Answer the following questions:
(a) What is a ball and socket joint?
Ans. The rounded end of one bone fits into the hollow space of other bone. This is called ball and socket joint. Ball and socket joints allow movements in all the directions, e.g. shoulder and hip can be moved in all directions.
(b) Which of the skull bones are movable?
Ans. In skull, only lower jaw is movable.
(c) Why can our elbow not move backwards?
Ans. Our elbow cannot move backwards because the elbow has a hinge joint that allows movement in only one direction.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 5 - Body Movements.
Which includes :-
# Class 6 Science Chapter 5 Explanation.
# Class 6 Science Chapter 5 Important Questions.
# Chapter Notes :
Class 6 Science Chapter 5 Body Movements Notes pdf which includes Class 6 Science Chapter 5 Body Movements Notes. These Class 6 Science Chapter 5 Notes pdf are completely based on NCERT Book for Class 6 Science Chapter 5 Body Movements. These notes contains detailed explanation of 6th class science Chapter 5 Body Movements. I suggest you to go through these Notes to strengthen you understanding about this Chapter of Class 6 Body Movements.Class 6 Science Chapter 5 notes.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 5 - Body Movements.
Which includes :-
# Class 6 Science Chapter 5 Explanation.
# Class 6 Science Chapter 5 Important Questions.
# Extra Questions :
Class 6 Science Chapter 5 Extra Questions are completely based on NCERT Book for Class 6 Science Chapter 5 Body Movements. These Extra Questions contains detailed explanation or Definition of some Terms talked about in NCERT Class 6 Science Chapter 5 Body Movements. You also get some short questions and long questions regarding Chapter 5 Body Movements of class 6 Science and Some Value Based Questions regarding NCERT Class 6 Science Chapter 5 Body Movements. Here we suggest you to go through these Class 6th Science Chapter 5 Extra Questions to strengthen you understanding about this Chapter of Class 6 Science.
# Class 6 Science Chapter 5 - Very Short Answer Questions :
Q. Name the places where two parts of the body are seen to be joined together.
Ans. These places are called joint.
Q. How many types of joints are there? Name them.
Ans. There are five types of joints in our body.
(a) Ball and Socket Joints.
(b) Hinge joints.
(c) Gliding Joints.
(d) Pivotal Joints.
(e) Fixed Joints.
Q. Can we bend our body at every part?
Ans. No, we can bend our body only at joints.
Q. If you tie a scale with your arm, are you able to bend your elbow?
Ans. No
Q. Name the substance produced by snail’s foot.
Ans. Mucous
Q. The Shape of the bird’s body called?
Ans. Streamline
Q. Name the Small bones that make up the backbone.
Ans. Vertebrae
Q. Can bones be bent?
Ans. No
Q. Name the Substance inside the bone that produces blood.
Ans. Bone marrow
Q. Name the longest bone in human body.
Ans. Femur
Q. Name the Part of the skeleton that forms earlobe.
Ans. Cartilage
Q. Name the Structure that enclosed the important internal organs of our body.
Ans. Rib cage
Q. Name the Structure that enclose and protect the brain.
Ans. Skull
Q. Do the bones of the upper jaw move?
Ans. No, The bones of the upper jaw are joined (fixed) with Skull. So they do not move.
Q. Name the framework of bones that giving shape and structure to our body.
Ans. Skeletal system
Q. If there are no joints then will it be possible to move?
Ans. No
Q. Name the bones that join with chest bone at one end and to the backbone at the other end.
Ans. Rib cage
Q. Write the type of joint which is used by a bowler to bowl the ball.
Ans. Ball and socket joint
Q. Write the type of joint which is used by a person to move his head in right and left direction.
Ans. Pivot
Q. Write the type of joint which is used by a person to lift weights to build his muscles.
Ans. Hinge
Q. Name the type of joint of your hand which help you to grasp a badminton racquet.
Ans. Hinge joint
Q. Name the Joint which allows movement in all directions.
Ans. Ball and socket
Q. Name the Hard structure that forms the skeleton.
Ans. Bone
Q. Name the Part of the body with a fixed joint.
Ans. Upper jaw with skull
Q. Which of the skull bones are movable?
Ans. In skull, only lower jaw is movable.
Q. What helps in the movement of body by contraction and relaxation.
Ans. Muscles
Q. Bones which enclose the organs of our body that lie below the abdomen.
Ans. Pelvic bones
Q. Joint where our neck joins the head.
Ans. Pivotal
Q. Name two animals which move without bones.
Ans. Earthworm & Snail
Q. Name the three components of skeleton.
Ans. Skeleton is made up of many bones, joints and cartilage.
Q. Give an example of pivotal joint.
Ans. The joint of skull with backbone.
Q. Give two examples of hinge joints.
Ans. Joints in fingers and Joints in knee
Q. Give an example of fixed joint.
Ans. Joint of cranium skull.
Q. Give an example of gliding joint.
Ans. The joint in backbone.
Q. Name the parts of the body which help in movement.
Ans. Contraction and relaxation of muscles and bones and joints help in movement.
Q. Give an example of animal which can walk, climb and fly in the air.
Ans. Cockroaches.
Q. Name the organ in cockroach which helps in walking.
Ans. The three pairs of legs in cockroach help in walking.
Q. Which part of the cockroach help in flying?
Ans. There are two pairs of wings attached to the breast which help them in flying.
Q. Name a bird which can swim in water.
Ans. Duck.
Q. What do you mean by streamlined?
Ans. If the body tapers at both the ends then such, shape of the body is said to be streamlined.
Q. What do you mean by fractured bone?
Ans. Fractured bone means broken/injured bone.
Q. Why are fractured bones plastered?
Ans. Plaster keeps broken bones at their right place so that they grow and join properly.
Q. Name organs that are protected by the rib cage?
Ans. Heart and Lungs.
Q. Name three animals that have streamlined body.
Ans. Fish, Birds, Snake.
Q. Why knees and elbows are called hinge joints?
Ans. Knees and elbows are called hinge joints because they move only in one direction.
Q. The knee joint is covered by a cap like structure called
Ans. Patella (knee cap)
Q. How many bones are present in the human body?
Ans. 206
Q. Name the soft and spongy substance found inside the bones.
Ans. bone marrow
Q. Name the kind of tissue which joins two bones.
Ans. ligament
Class 6 Science Chapter 5 Extra Questions.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 5 - Body Movements.
Which includes :-
# Class 6 Science Chapter 5 Explanation.
# Class 6 Science Chapter 5 Important Questions.
# Class 6 Science Chapter 5 - Short Answer Questions :
Q. What do you mean by body movement?
Ans. The changing position of any part of the body and the body itself is called body movement.
Q. Name various parts of skeletal system.
Ans. The skeletal system can be divided into following main parts :
(a) Skull
(b) Back bone
(c) Limb bones
(d) Chest bones
(e) Shoulder bones
(f) Hip bones
Q. Do the bones on top of the skull move?
Ans. The bones on top of the skull form the structure similar to the structure of teeth. They are joined strongly with one another. So these bones are fixed and do not move.
Q. Try to eat your food without moving the lower jaw. Do you find this difficult to do?
Ans. Without moving the lower jaw, we cannot chew the food. Without chewing, we cannot engulf the food into food pipe. It would be difficult to digest unchewed food.
Q. What is skeleton? State its function.
Ans. The framework of bones that give shape and structure to our body is called skeleton.
Functions of skeleton are :
(a) The skeletal system provides shape to the body.
(b) It works as a support structure for your body.
(c) It facilitates movement.
(d) It produces blood cells.
(e) It protects organs.
(f) It stores minerals and fats.
Q. What are joints? Write the names of various types of joints.
Ans. The places where two parts of the bone joined together are called joints. They helps in the movement of our body.
There are following types of joints:
(a) Ball and socket joints
(b) Pivotal joints
(c) Hinge joints
(d) Fixed joints
(e) Gliding joints
Q. What is a ball and socket joint?
Ans. The rounded end of one bone fits into the hollow space of other bone. This is called ball and socket joint. Ball and socket joints allow movements in all the directions, e.g. shoulder and hip can be moved in all directions.
Q. What is hinge joint? Give one example of hinge joint.
Ans. A hinge joint is defined as the joint between two bones that allows movement only in one direction.
E.g. Joints in Human Elbows, Knees, etc.
Q. Give two examples of ball and socket joint.
Ans.
(a) Joint of upper arm and shoulder.
(b) Joint of thigh and the hip.
Q. What is bone cavity?
Ans. The hollow space in the bone is called bone cavity.
Q. What are ribs?
Ans. The bones of the chest are called ribs.
Q. What is rib cage?
Ans. Ribs are joined with backbone to form a box. This box is called rib cage.
Q. What are shoulder bones?
Ans. The shoulder bones are formed by the collar bone and the shoulder blade. It connects the upper part of the chest and bones of the arm.
Q. What are pelvic bones?
Ans. The bones which enclose the body part below the stomach are called pelvic bone.
Q. What are cartilages?
Ans. Some additional parts of the skeleton which are not as hard as bones and are elastic in nature and can be bent are called cartilages, e.g. cartilage of ear.
Q. Write two ways by which we may know the shape of human skeleton.
Ans.
(a) We can know the shape of skeleton by touch/feeling.
(b) We can also know the shape by X-ray images of human body.
Q. How can we get photograph of a bone? What is the use of such photographs?
Ans. We can get photograph of a bone by a machine called X-ray machine. Doctors use these photographs to examine the dislocations and fractures in the bone.
Q. What is a streamlined body? How does it help in movement of animals that fly and swim in water?
Ans. A streamlined body is a specified kind of body shape that is tapering towards the ends. A streamlined body provides a smooth surface to the aquatic animal's body which reduces resistance in the water and air by reducing friction and makes movement easy.
Q. How does the earthworm move?
Ans. Earthworm does not have bones. It has muscles. During the movement, earthworm first extends front part of the body keeping the rear portion fixed to the ground. Then it fixes the front and releases the rear end. It then shortens the body and pulls the rear end forward. In this way by repeating such muscular expansions and contractions earthworm moves.
Q. What helps an earthworm to make a grip on the ground while moving?
Ans. Earthworms have groups of bristles on each segment of the body that move in and out to grip surfaces as they stretch and contract their muscles to push themselves forward or backward. They tend to move forward.
Q. What is exoskeleton? Explain giving examples.
Ans. The bodies of crabs, insects and spiders are covered and protected by hard coverings. These hard parts outside are called exoskeleton (ekso-skel-e-ton). Nails and hair are also exoskeleton found in our body. Similarly the scales of cockroach, fish, outer shell of snails and oyster are also exoskeleton of these animals.
Q. How does the snail move?
Ans. The rounded structure on the back of the snail is called shell. It is the outer skeleton (exoskeleton) of snail. When it starts moving a thick structure and the head of the snail may come out of an opening in the shell. The thick structure is called foot, which is made up of strong muscles. It helps snail in moving.
Q. What is a shell in a snail? Does it the help in the movement of the snail?
Ans. The shell is an exoskeleton. It does not help in moving from place to place. but it protects from predators, mechanical damage and dehydration.
Q. How does fish move in water?
Ans. The body of fish is streamlined. The streamlined shape helps the fish to move in water. The skeleton of fish is covered with muscles which make the front part of the body to curve to one side and the tail part swings towards the opposite side. This makes a jerk and pushes the body forward. In this way it moves in water.
Q. How does a snake move?
Ans. Snakes move using their flexible body. They have a long spine with which ribs are connected. Muscles connected to these ribs help the snake to move or slither. Snakes twist its body by successively contracting and expanding like a spring and move.
Q. How do the muscles work?
Ans. The muscles work in pairs. When one of them contracts, the bone is pulled in that direction, the other muscle of the pair relaxes. To move the bone in the opposite direction, the relaxed muscle contracts to pull the bone towards its original position, while the first relaxes. A muscle can only pull. It cannot push.
Q. Bones are hard structures and cannot be bent. But, we can still bend our elbow, knee, etc. How is this possible?
Ans. Elbow and knee are not made up of a single bone, but two or more bones which are joined to each other by a joint (Hinge joint). This joint along with the muscles help us to bend the elbow and knee.
Q. What would have happened if our backbone was made of one single bone?
Ans. If the backbone had only one long bone instead of many vertebrae, then it was not possible for us to move, bend or twist our back. Our back would have been stiff and brittle.
Q. Why can our elbow not move backwards?
Ans. Our elbow cannot move backwards because the elbow has a hinge joint that allows movement in only one direction.
Q. Boojho fell off a tree and hurt his ankle. On examination the doctor confirmed that the ankle was fractured. How was it detected?
Ans. The doctor must have observed a swelling and taken an X-ray of the ankle. X-ray images confirm injuries/fractures in bones.
Q. Why do we need two muscles together to move a bone?
Ans. A muscle can only pull, it cannot push. Thus, two muscles are required to work together to move a bone. When one muscle contracts, the bone is pulled. When another muscle of the pair pulls, it brings the bone in its original position.
Q. Which type of movement would have been possible if
(a) our elbow had a fixed joint.
Ans. We would not be able to bend/fold our arms.
(b) we were to have a ball and socket joint between our neck and head.
Ans. We would be able to rotate our head 360°.
Q. Many people suffer from a problem called arthritis. Explain its connection with movement.
Ans. Arthritis is the pain in joints. With this problem people find difficulty in moving from one place to another.
Q. Earthworms are known as ‘farmer’s friends’. Why?
Ans. An earthworm eats its way through the soil. Its body excretes the undigested materials that makes the soil fertile.
Q. Name the following :
Ans.
A. Pivot
B. Ball and socket joint
C. Hinge joint
D. Gliding joint
Class 6 Science Chapter 5 Extra Questions.
Here at MSEducator.in you get Complete FREE Study Material for Class 6 Science Chapter 5 - Body Movements.
Which includes :-
# Class 6 Science Chapter 5 Explanation.
# Class 6 Science Chapter 5 Important Questions.
# Class 6 Science Chapter 5 - Long Answer Questions :
Q. Explain various kinds of joints found in our body and give example of each.
Ans. There are five types of joints in our body :
(a) Fixed joints : Those joints which do not allow any movement are called fixed joint.
E.g. Joint between the skull and upper jaw.
(b) Ball and socket joint : This joint allows movement in all directions. The rounded end of one bone fits into the hollow space of other bone.
E.g. Joint between upper arm and shoulder.
(c) Pivotal joint : This type of joint allow movement in all planes, i.e. up and down, side and other planes.
E.g. Head.
(d) Hinge joint : The joint which allows movement only in one direction is called hinge joint.
E.g. Fingers, Knees, Elbow, etc.
(e) Gliding joint : These joints allow only a limited amount of movement of sliding nature of cartilage.
E.g. The joints of backbone.
Q. How is the skeleton of a bird well-suited for flying?
Ans.
1. Bones are hollow and light.
2. Bones of hind limbs are for walking and perching.
3. Bones of fore limbs are modified as wings.
4. Shoulder bones are strong.
5. Breast bones hold flight muscles and are used to move the wings up and down.
Class 6 Science Chapter 5 Extra Questions.
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Which includes :-
# Class 6 Science Chapter 5 Explanation.
# Class 6 Science Chapter 5 Important Questions.
Body Movements class 6 mcq
# MCQ Test :
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