Food Where Does it Come From Class 6 Notes Science Chapter 1

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CBSE Class 6 Science Chapter 1 Notes Food Where Does it Come From

Food Where Does it Come From Class 6 Notes Understanding the Lesson

1. Anything which we eat to live is called food.

2. Food is a substance that we eat to grow, to get energy to work and to re-0main healthy.

3. Living things cannot survive without food.

4. Food provides materials for repair of damaged cells and to replace dead cells in the body.

5. Food enables us to fight against infections.

6. Different people eat different types of food according to their habits, lifestyle, taste and the availability of food items.

7. The food habits of different states are different.

8. The materials or substances which are used to make that particular dish are called ingredients.

9. No matter which state one belongs to, we will find that the ingredients used are more or less the same.

10. Various food items which we eat daily are usually made up of more than one ingredients.

11. The main sources of our food are: Plants and Animals.

12. Plants are the source of food materials like cereals, pulses, vegetables, fruits, sugar, oils, spices, tea, coffee, etc.

13. Animals provide us food items like milk, egg, chicken, meat, honey, fish, etc.

14. The various parts of plants which are used as food materials are roots, stems, leaves, flowers, fruits, seeds, etc.

15. Carrot, sweet potato, beetroot, radish, turnip, etc., are the roots of their respective plants.

16. Garlic, turmeric, onion, potato, ginger, etc., are the stems of their respective plants.

17. Some flowers which are eaten as food are sunflower, broccoli, cauliflower, dandelion, etc.

18. Apple, pumpkin, brinjal, lady’s finger are fruits of their respective plants.

19. Foodgrains such as wheat, rice, maize, barley, millet, gram, peas and pulses are all seeds of their respective plants.

20. Animal products such as meat, egg, fish, milk, cheese, butter, curd, honey, etc., are eaten as food. These foods are rich in proteins.

21. Animals eat only a few types of food.

22. Some animals eat only plants and are known as herbivores, some eat flesh of other animals and are known as carnivores whereas some eat both plants as well as animals and are known as omnivores.

23. There are many people in our country who do not get sufficient food to eat.

24. Food is very precious, We should not waste food in any form.

Class 6 Science Chapter 1 Notes Important Terms

Food: Any substance that can be metabolized by living things to give energy, to build tissue and which provides mental stimulus for thinking is called food.

Ingredients: The materials or components which are used to prepare food are called ingredients.

Edible: Those parts of a plant which are suitable for consumption and harmless to humans are called edible.

Sprouts: Any new growth of a plant or a seed such as a white coloured tiny roots, a new branch or a bud is called sprouts.

Nectar: A sweet liquid secretion found in flowers that is attractive to pollinators is called nectar.

Herbivorous: Animals that feed chiefly on plant and plant products are called herbivorous.

Carnivorous: Animals which eat only the flesh of other animals as their food are called carnivorous.

Omnivorous: Animals which eat both plants, as well as animals, are called omnivorous.

Superlative Forms of Adjectives Worksheet Exercises for Class 3 CBSE with Answers

Superlative Forms of Adjectives Worksheet Exercises for Class 3 CBSE with Answers 1
This grammar section explains English Grammar in a clear and simple way. There are example sentences to show how the language is used.

Superlative Forms of Adjectives Worksheet Exercises for Class 3 CBSE with Answers

Fundamentals

  • When you compare three or more people or things, use the superlative form of an adjective.
  • The superlative form is usually made by adding -est to the adjective.
  • The word the is often used before the superlative form. For example: For longer words we use ‘Most’ key word – Most beautiful, Most charming.

Presentation
Read the picture story.
Superlative Forms of Adjectives Worksheet Exercises for Class 3 CBSE with Answers 2

A. Answer the following questions according to the story above.

1. Which adjective is used to describe the story book? _____________
2. Which is the easiest story book for reading? _____________
3. Among whom is the story book ‘Little Red Riding Hood’ popular? _____________

B. Write the comparative form of the following adjectives.

1. _____________ easiest
2. _____________ most interesting
3. _____________ most populous

Superlative Forms of Adjectives Worksheet Exercises with Answers for Grade 3 CBSE PDF

A. Fill in the blanks with the superlative forms of the adjectives given in the brackets. Don’t forget to use ‘the’ in front of the superlatives.

1. The Nile is _____________ river in the world. (long)
2. Deepa was _____________ (intelligent) among the girls.
3. Rina is wearing _____________ dress. (bright)
4. She told me _____________ story. (interesting)
5. Mt. Everest is _____________ (high) mountain peak.

B. Write the comparative and superlative forms of adjectives.

1. Clean – _____________ _____________
2. Happy – _____________ _____________
3. Busy – _____________ _____________
4. Rich – _____________ _____________
5. Thin – _____________ _____________

C. Fill in the blanks with a comparative or superlative adjectives to complete the following paragraph.

Ms. Mathur has two sons, Arun and Amit. Arun is _____________ (old) than Amit, but he’s not. Amit is _____________ (tall) than Arun. Ms. Mathur is the _____________ (intelligent) person in the family. Even though she is the _____________ (short) person in the family, she is the _____________ (old) of the three.

Kinds of Adjectives Worksheet Exercises for Class 3 CBSE with Answers

Kinds of Adjectives Worksheet Exercises for Class 3 CBSE with Answers 1
This grammar section explains English Grammar in a clear and simple way. There are example sentences to show how the language is used.

Kinds of Adjectives Worksheet Exercises for Class 3 CBSE with Answers

Fundamentals
Some adjectives tell about the size of people or things.

  • a big house
  • a long bridge
  • tiny feet
  • a large army
  • a high mountain
  • big hands
  • a huge ship
  • a short man
  • a short skirt
  • a tall building
  • a thin boy
  • long trousers

Some adjectives tell about the colour of things.

  • a red carpet
  • a gray suit
  • a brown bear
  • a white swan
  • an orange balloon
  • green peppers
  • a blue uniform
  • a yellow ribbon
  • black shoes

Some adjectives tell what people or things are by describing their quality.

  • a beautiful woman
  • a young soldier
  • a flat surface
  • a handsome boy
  • an old uncle
  • a hot drink
  • a poor family
  • a kind lady
  • a cold winter

Some adjectives tell what things are made of. They refer to substances.

  • a plastic folder
  • a stone wall
  • a clay pot
  • a paper bag
  • a metal box
  • a glass door
  • a cotton shirt
  • a silk dress

Some adjectives are made from proper nouns of place. These adjectives are called adjectives of origin.

  • a Mexican hat
  • a British police officer
  • the French flag
  • a Japanese lady
  • an Indian temple
  • an Italian car

Presentation
Read the picture story.
Kinds of Adjectives Worksheet Exercises for Class 3 CBSE with Answers 2

A. Answer the following questions according to the story.

1. Which word describes the city Sydney?
___________________________________________

2. What do people wear in Sydney?
___________________________________________

3. Who take photographs of strange plants and colourful birds?
___________________________________________

B. Write the describing word for the following nouns from the story.

1. _____________ place
2. _____________ clothes
3. _____________ sandy beaches
4. _____________ sky
5. _____________ parks
6. _____________ plants
7. _____________ birds

Adjectives Worksheets for Grade 3 with Answers CBSE PDF

A. Underline the adjectives in these sentences.

1. I saw a small boy playing with a brown dog.
2. The white bear looked at me.
3. The long snake lays eggs in the green grass.
4. She went out into the dark night.
5. The hungry boy sat on the cold floor.

B. Read each sentence and write the correct words on the lines.

1. The tank has fifty gallons of gasoline.
_____________ is the adjective. It describes the _____________

2. The brown bear is in the woods.
_____________ is the adjective. It describes the _____________

3. Tim is the tallest boy I know.
_____________ is the adjective. It describes the _____________

4. The sunlight was very bright.
_____________ is the adjective. It describes the _____________

5. The children were drawing colorful stars.
_____________ is the adjective. It describes the _____________

6. A skyscraper is a tall building.
_____________ is the adjective. It describes the _____________

Exercise On Adjectives Worksheet for Class 3 CBSE with Answers

Exercise On Adjectives Worksheet for Class 3 CBSE with Answers
This grammar section explains English Grammar in a clear and simple way. There are example sentences to show how the language is used.

Exercise On Adjectives Worksheet for Class 3 CBSE with Answers PDF

  • Describing words tell us more about nouns. A describing word is called an adjective.
  • They give information about people, place or things.
  • It tells how he/she/it looks, feels, sounds, smells or tastes.
  • Names of the colours are used as describing words.
  • Describing words have their opposites. Examples: Black-White, Tall-Short, Thick-Thin.
  • To compare two people or things we use describing words.
  • These words are called the comparative form of adjectives.
  • To compare naming words we often add -r or -er to the describing word or replace the-y ending with -ier to form adjectives of comparison. For example close-closer, noisy- noisier.
  • Than is the key word for the comparing words. For longer words we use the word ‘More’ – More beautiful, More charming.
  • Some describing words answer how many people, places, animals or things are there.
  • They are called as describing number words.
  • All and few are also describing number words. My, our, your, his, her, its, their are also describing words.
  • They show that an object belongs to someone or something.

Adjectives Worksheet Exercises for Class 5 with Answers CBSE PDF

A. Choose the correct one.

1. My brother is taller/more taller than me.
2. This way is shorter/more shorter than the others.
3. This book is expensive/more expensive than the others.
4. This car is cheaper/ more cheaper than any other car in the gallery.
5. Reading books is better/good than watching television.

B. Replace the underlined words with correct possessive adjectives. His/her/its/their

1. This is Nancy’s bag. _____________
2. This is Kitty and Arun’s house. _____________
3. These are Tony’s football boots. _____________
4. The dog’s name is Pluto. _____________

C. Match the adjectives with their opposites.
Exercise On Adjectives for Class 3 CBSE with Answers 1

D. Fill in the blanks with suitable describing words.

1. I have _____________ dress.
2. _____________ mangoes look yellow.
3. He lives in an _____________ house.
4. He entered through the _____________ door.
5. A _____________ man lived near the _____________ temple.

E. Fill in the blanks with a number.

1. I have _____________ eyes.
2. Our school won the _____________ prize.
3. There are _____________ planets in our solar system.
4. Leap year comes after every _____________ years.
5. There are _____________ players in a cricket team.

F. Pick the best two adjective choices to complete each sentence. Make sure each sentence makes sense! The first one has been done for you.

1. Adjective choices: wet, green, floppy, many
The dog had a wet nose and floppy ears.

2. Adjective choices: tall, cold, spicy, yellow
The sunflowers in my backyard are _____________ and _____________

3. Adjective choices: five, delicious, shiny, busy
I found a _____________ quarter lying on the _____________ sidewalk!

4. Adjective choices: blue, striped, sharp, frozen
The _____________ tiger had _____________ teeth.

5. Adjective choices: dull, sandy, hot, cheesy
We ate the _____________ and _____________ pizza.

6. Adjective choices: (healthy, warm, toasty, many)
The refrigerator was packed with _____________ foods.

Compound Nouns Worksheet Exercises for Class 3 CBSE with Answers

Compound Nouns Worksheet Exercises for Class 3 CBSE with Answers
This grammar section explains English Grammar in a clear and simple way. There are example sentences to show how the language is used.

Compound Nouns Worksheet Exercises for Class 3 CBSE with Answers

Fundamentals
A compound word is made from two smaller words.

  • pan + cake = pancake
  • rain + bow = rainbow

Presentation
Read the picture story.
Compound Nouns Exercises for Class 3 CBSE with Answers 1

A. Answer the following questions according to the story.

1. Who lived in a village? __________________
2. Who was Kamla? __________________
3. How did grandmother visit supermarket? __________________
4. Name the eatables that grandmother bought for her grandson? __________________

B. Write the following compound words from the story as two separate words.

1. housemaid ____________ + ____________
2. grandson ____________ + ____________
3. pineapple ____________ + ____________
4. pancakes ____________ + ____________
5. weekend ____________ + ____________

Compound Nouns Worksheet with Answers for Class 3 CBSE PDF

A. Directions: Underline the compound word in each sentence. Write the compound word and the two smaller words that form it. The first one has been done for you.

1. Maya and I were sleeping in her backyard.

  • backyard = back + yard

2. My brother and I went to watch the baseball game.
____________ = ____________ + ____________

3. I love to use mint flavoured toothpaste when I brush my teeth.
____________ = ____________ + ____________

4. Tommy and his brother love to go down to the riverbanks to catch frogs.
____________ = ____________ + ____________

5. Jiwan takes the subway to work every morning.
____________ = ____________ + ____________

6. Strawberry is my favourite fruit.
____________ = ____________ + ____________

7. The favourite part of my vacation was when I got a ride in the airplane.
____________ = ____________ + ____________

B. With the help of words given below, write one compound word in each blank. The first one has been done for you.

1. sea wave ocean shells Seashells
2. plane dive sky jet ____________
3. flake winter cold snow ____________
4. tired bed time sleep ____________
5. yard back rake fence ____________

C. Put the words together and form at least eight compound words.
base, star, ball, house, snow, fish, coat, fisher, man, story, rain, boat, man, police, book
____________ ____________ ____________
____________ ____________ ____________
____________ ____________