Class 6 - Science - CH3 - Fibre to Fabric

Cotton Bolls
(source:wpclipart.com)

NCERT Chapter Solutions and other Q & A

Q1: What is a fibre?

Answer: A fibre is a thread which can be spun into strings, rope and clothes. A fibre can be obtained naturally or artificially.

Q2: Define Natural Fibres.

Answer: The fibres which we obtain from nature i.e. from animals and plants are called natural fibres.

Class 6 - Science - CH5 - Separation of Substances #class6Science #eduvictors

Class 6 - Science - CH5 - Separation of Substances 

NCERT Solutions and Study notes.

Distillation
source:http://www.arthursclipart.org

Q1. Why do we need to separate different components of a mixture? Give two examples.
Answer: We need to separate the components of a mixture for the following reasons:

1. Remove the unwanted impurities.
2. Remove the substances that are harmful to our health.
3. Obtain pure substances.
4. Separate two different, but useful components.

Examples:

1. Grain is separated from stalks, while harvesting.
2. We filter tea leaves after preparing them.
3. Milk or curd is churned to separate the butter.

Class 6 - Science - Ch2 - Components of Food - NCERT Solution

NCERT Solutions and Other Questions and Answers

Q1: Name the major nutrients in our food.

Answer: The major nutrients in our food are carbohydrates, proteins, fats, vitamins and minerals. In addition, food also contains dietary fibres (roughage) and water. 

Class 6 - Science - Ch7 - Getting to Know Plants

NCERT Chapter Solutions and other Questions and Answers

Growing Plants
(source:openclipart)

Q1: Correct the following statements and rewrite them in your notebook.
(a) Stem absorbs water and minerals from the soil.
(b) Leaves hold the plant upright.
(c) Roots conduct water to the leaves.
(d) The number of petals and sepals in a flower is always equal.
(e) If the sepals of a flower are joined together, its petals are also joined together.
(f) If the petals of a flower are joined together, then the pistil is joined to the petal. 

Answer:

(a) Root absorbs water and minerals from the soil.

(b) Stem holds the plant upright.

(c) Stem conducts water to the leaves.

(d) The number of petals and sepals in a flower is not always equal.

(e) If the sepals of a flower are joined together, its petals are separate and are not joined together.

(f) If the petals of a flower are joined together, then the pistil is not necessary joined to the petal.

Q3: Can you find a plant in your house or in your neighborhood, which has a long but a weak stem? Write its name. In which category would you classify it?

Answer: Money plant which has long and weak stem. It is a climber.

Class 6 - Science - CH10 - Motion and Measurement of Distances

Motion and Measurement of Distances

NCERT Solution and other Questions and Answers

Q1: Give two examples each, of modes of transport used on land, water and air.
Answer:

1. On Land: Bicycle, Car, Bus
2. On Water: Ship, Boat, Ferry
3. On Air: Helicopter, Aeroplane, Glider

Q2: Fill in the blanks:
Answer:

(i) One metre is ____100_ cm.

(ii) Five kilometre is ___5000_ m. (1 Km = 1000m)

(iii) A motion of a child on a swing is ___periodic motion__.

(iv) A motion of the needle of a sewing machine is __periodic motion_.

(v) A motion of a wheel of a bicycle is__circular motion_.


Q3: Why can a pace or a footstep not be used as a standard unit of length?

Answer: A pace or a footstep not be used as a standard unit of length because the size of pace and footstep vary from person to person. This will lead to confusion while measuring the lengths by different persons. We should use standard units like International System of Units (SI Units).

Q4: Arrange the following lengths in their increasing magnitude:
       1 metre, 1 centimetre, 1 kilometre,1 millimetre

Class 6 - Science - Ch1 - Food: Where Does It Come From? - Q & A

Food: Where Does It Come From? 

Q & A

Q1: Do you find that all living beings need the same kind of food?

Answer: No. Different animals eat different kinds of food as per their needs. Depending on kind of food they eat, animals are divided into three categories:

• Herbivores: Animals which feed on plants and plant products are called herbivores. e.g. cow, goat
• Carnivores: Animals which feed on other animals are called carnivores. e.g. lion, tiger
• Omnivores: Animals which feed on both plants and animals are called omnivores. e.g. crow

Q2: Name five plants and their parts that we eat.

Answer:

1. Apple - Fruit
2. Potato - Stem
3. Carrot - Root
4. Spinach - Leaf
5. Wheat - Seed
6. Cauliflower - Flower