CBSE Class 6 Science HOTs Questions

Download HOTS questions and answers for Class 6 Science. Read CBSE Class 6 Science HOTs Questions below and download in pdf. High Order Thinking Skills questions come in exams for Science in Standard 6 and if prepared properly can help you to score more marks. You can refer to more chapter wise Class 6 Science HOTS Questions with solutions and also get latest topic wise important study material as per NCERT book for Class 6 Science and all other subjects for free on Studiestoday designed as per latest CBSE, NCERT and KVS syllabus and pattern for Grade 6

HIGHER ORDER THINKING SKILLS

FOOD: Where does it come from.

1. You are the manager of a restaurant, make a list of food items you would serve in lunch.

2. What measures are to be taken to avoid wastage of food.

3. Why are humans considered omnivores?

4. List the ingredients of any five food items you relish.

5. Form pairs of words in group A with words in group B.

A—Mustard plant, Nectar, Beetroot, carnivore, omnivore.

B-- Honey, sugar, oil, humans, tiger.

6. Name two aquatic plants eaten as food.

COMPONENTS OF FOOD

1. Why is it necessary to have fresh and un-cooked vegetables and fruits in our diets.

2. Doctors advice us to drink atleast two litres of water daily why?

3. What happens when wheat flour is sieved before making dough?

4. It is not good to wash vegetables and fruits after cutting, why?

5. Rice and pulses must not be washed repeatedly , why?

6. Prove that, milk you drink contains proteins.

7. How will you check whether rice contains starch.

8. What will happen to a person who is not getting enough carbohydrates and proteins.

9. You are advised not to drink coca-cola, pepsi etc, find the reason.

10. Make a diet chart of pregnant mother and of small baby.

11. Find out harmful effects of eating only Junk food like potato chips, pizzas, burgers etc.

12. What happens when we overeat always?

GETTING TO KNOW PLANTS.

1. Name the plant parts that performs following functions

     a. Anchoring.

     b. Transpiration

     c. Conduction

     d. Reproduction.

2. List the ingredients needed for photosynthesis.

3. What do you call the following two section;

       • If cut across.

       • If cut along the parts of plant.

4. Mention types of roots and types of venation and find their correlation.

5. Differentiate Herbs, Shrubs and Trees.

6. List the essential and non-essential parts of flower with respect of reproduction in plants.

7. Give terms for the following.

    a. Green leaves make food by this process.

    b. Water vapor loss through leaves.

BODY  MOVEMENTS.

1. What makes snakes  move fast on ground.

2.  Cockroaches can fly as well  walk, how?

3. Give  adaptations of birds to flight.

4. Why  is the upper part of our ear not soft as the ear lobe?

5. What is a joint? Name  the kinds  of joints present in our body.

THE LIVING ORGANISMS & THEIR SURROUNDINGS

1. List the features of a lion, which help  to make it " a hunter of the grasslands"

2. How  is a camel  adapted to life in a desert?

3. Compare the roots and  leaves  of plant on land  and  an aquatic plant.

4. How  is a fish adapted to life in water?

5. What are the features of cactus plant that help  it to flourish in desert?

6. How  do animals like  rats and  snakes  survive in a desert?

FIBRE TO FABRIC

1. You are given Two kinds  of fibres. How  do you  identify the synthetic as well  as natural  fibre in it?

2. While  tearing the paper we get the similar sound  to that of a cloth.Why?

3. What is the difference between Yarn and  Fabric?

4.  Garments will  not be made  out of Coconut fibre. Why?

5. Your father purchased a woolen sweater to you. It is labeled as "pure wool".  How  do you  check  its purity?

SORTING MATERIALS INTO GROUPS

1. If we keep  fish out of water they die. Why?

2. When  ever you  go out with your parents, you  ask them to get a cool  drink for you. As soon  as the cap is opened, you  might have observed the liquid coming out.Why?

3. Why  oil will  not mix  with water?

4. If you  mix  water and  starch, what kind  of solution you  get?

5. The shopkeeper keeps  similar type materials at one  place. Why?

SEPARATION OF SUBSTANCES

1. You are given a mixture of sand  and  water. How  do you separate them?

2.  Your are given a mixture of  water and  oil. Using  an empty cool drink bottle, How  do you  separate them?

3.  Your are asked  to dissolve sugar in water. You kept on adding sugar to water till some  of the sugar is not at all dissolving by stirring with the spoon. How can you         dissolve the left out sugar?

4. After the games period, you  had  come  back  to your class  room and  under a fan

5.  Your body  becomes so cool  and  you  feel so comfortable. Why?

6. If you  keep  Ice pieces  in glass  tumbler, you  observe lot water droplets on the Surface of the tumbler. Why?

7. River water is clear where as sea water is not even  though, both contains mud  and  sand. Why?

CHANGES AROUND US

1. Your are waking on the road with your father. Suddenly rain started and  you  observed your father folding his pant. Is this can be reversed?

2. You father purchased a drawing sheet to you. You had  drawn a picture on it with various  Colours. Can you  use the drawing sheet again  for drawing                              another picture on it? Why?

3.  During the games period while playing, you  had  into a ditch full of water. Your dress Was spoiled. Your mother make you dress alright again. What kind                         change is it?

4. After firing the crackers during deevali festival, can you  reuse the same?  Why?

5. You made  a dog  with the mud. Your friend asked  you  change into elephant.  Can you  do that using  the same  mud?

WATER

1. Rainy  season  comes  always after summer season. Why?

2. Wet clothes dry faster if you  keep  them under a fan. Why?

3. If you  won't drink enough water, what happens to your body?

4. A village near a river will  always get ground water where as a village which is   far away  will  face acute water problem. Why?

5. You are drenched completely while playing in the rain. But you  did  not stop playing.  To your surprise, your clothes dried after some  time.How?

AIR AROUND US

1. Sky  appears blue. Why?

2. How  the fish could  live  in water?

3. Your father while going to the office, keep  a mask  to his nose.

    Did  you  ever ask  your father why  he will  keep  it?

4. Why  mountaineers carry Oxygen cylinders with them while climbing high  mountains?

5. If you  add  mud  to water, you  observe bubbles in water. Why?

GARBAGE IN, GARBAGE OUT

1. Each tree can make its own  manure. How?

2. You have  noticed your mother keeping fruits in plastic bags. Is it safe to eat them?

3. Rag pickers always suffer with diseases. Why?

4. You covered the soil  with a plastic sheet and  poured water on it. The soil  will  not become  Wet. Similarly you  covered the soil  with a sheet of paper and  poured        water. Soil  has become wet. Which  helps  in increasing the ground water and why?

5. Earthworms increase the fertility  of the soil. How?

Motion and Measurement of Distance

1. You are given a cotton thread and  a wool  thread. Which  thread can be used  to measure the length of an object and  why?

2. You have  seen  your father playing violin.While playing it, you observed that the strings. Are creating the sound.Can you  tell due  to what motion it si giving                     the sound?

3. When  a fan is rotating , we observe the blades  are rotating in opposite direction. Why?

4.  While  playing a kite you  observe the kite motion will  not be in the same  direction. Why?

5. Name  some  objects having periodic motion.

LIGHT , SHADOWS AND REFLECTIONS

1. In a completely dark room, can you  see your face in a mirror? Why?

2. Why  can not we see upside down  image of the sun?

3. Why  shadows are black  in colour?

4. Can you  an object through a "T" shaper pipe?  If, no, Why?

5. Can you  see a reflected light directly? If, no Why?

ELECTRICITY AND CIRCUITS

1. You have  observed your father handling the electric equipment by wearing glouses. Why?

2. If you  connect a battery cell  to the bulb  through a wooden stick, the will  not glow. Why?

3. Your father applies a tape over the joint of a electric wire. Why?

4. Do not handle the electric appliances when  your hands  are wet. Why?

5. There will  be three colured wires normally used  while connecting any  electric equipment.

  What are those colours? Tell which coloured wire gives  us electric shock?

FUN  WITH MAGNETS

1. When  you  are listening to song  by  using  a small  radio, it gives  lot of disturbance when  you  changing the direction. Why?

2. If you  want listen to a song  by  using  a small  radio by  sitting in a rail compartment, you  can't Why?

3.  While  storing the magnets, a wooden stick is kept between the two magnets. Why?

4.  Do not keep  magnets near electronic equipment. Why? 

5.  Why  a wooden piece  can not made  as a magnet?

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