13/01/2022
CHAPTER - 12 POLLUTION
Answer the following questions.
Q.1) What is pollution?
Ans: Pollution is mixing of unwanted components in air.
Q.2) Name the unique planet.
Ans: The earth is a unique planet.
Q.3) Why are people suffering badly these days?
Ans: People are suffering badly these days because of pollution.
Q.4) Which environment is safe to live in?
Ans: Clean environment is safe to live in.
02/12/2021
CHAPTER - 11 HEAVENLY BODIES
Answer the following questions.
Q.1) Where do we live?
Ans: We live on the earth.
Q.2) What does sun give us?
Ans: The sun gives us heat and light.
Q.3) Which heavenly body changes its shape everyday?
Ans: The moon changes it's shape everyday.
Q.4) Name the first human being who landed on moon?
Ans: Neil Armstrong was the first man to land on moon.
Q.5) Why do stars appear small?
Ans: The stars appear small because stars are very far from us.
12/11/2021
CHAPTER - 10 WEATHER
Answer the following questions.
Q.1) What do you understand by weather?
Ans:- The changes in the outside climate is known as weather.
Q.2) Why do you wear cotton clothes in summer?
Ans: We wear cotton clothes in the summer season because it keeps our body cool.
Q.3) Why do you wear woolen clothes in winter?
Ans: We wear woolen clothes in the winter season because it keeps our body warm.
Q.4) How can you mark the coming of spring?
Ans: We can mark the coming of spring when we see flowers blooming and freshness in the air.
Q.5) In which season do the children float paper boats ?
Ans: The children float paper boats in the water in the rainy season.
22/10/2021
CHAPTER 9 - WATER
Answer the following questions.
Q.1) What is surface water ?
Ans: Water present on the surface in form of ponds, lakes and seas is known as surface water.
Q.2) Give two main ways of getting clean water.
Ans: The two main ways of getting clean water are
a) Boiling the water
b) Using a water filter
Q.3) Enlist any four uses of water.
Ans: The four uses of water are
a) Cooking
b) Washing clothes
c) Drinking
d) Cleaning the house
Q.4) Where do mosquitoes breed?
Ans: Mosquitoes breed on dirty water.
07/10/2021
CHAPTER 8 - AIR
Answer the following questions.
Q.1) What is wind?
Ans: Moving air is called wind.
Q.2) What is breeze?
Ans: Soothing air is called breeze.
Q.3) Why do living beings need air?
Ans: All living beings need air because it helps in breathing.
Q.4) How do fish breathe?
Ans: Fish breathe with the help of their gills.
Q.5) Give two examples in which air helps us.
Ans: Air helps us to dry clothes and fly kites.
26/08/2021
CHAPTER 7 - HUMAN SAFETY
Answer the following questions.
Q.1) When can you be safe?
Ans: We can remain safe only if we are careful.
Q.2) What should we use to cross the road?
Ans: We should use the zebra crossing while crossing the road.
Q.3) Where should we play?
Ans: We should play in the playground.
Q.4) What should we use for walking?
Ans: We should walk on the footpath.
05/08/2021
CHAPTER 6 - THE HUMAN HEALTH
Answer the following questions.
Q.1) What do plants provide us with?
Ans: Plants provide us with fruits, vegetables, cereals and pulses.
Q.2) What do animals provide us with?
Ans: Animals provide us with eggs, fish and meat.
Q.3) What are healthy foods?
Ans: Fruits, vegetables, milk and eggs are healthy food.
Q.4) What things keep us healthy?
Ans: Food, exercise, rest and sleep keep us healthy.
22/07/2021
CHAPTER 5 - THE HUMAN BODY
Answer the following questions.
Q.1) Which organ helps us in tasting?
Ans: The Tongue is the organ that helps us in tasting.
Q.2) What is necessary for growth?
Ans: Good food is necessary for growth.
Q.3) What are the functions of the brain ?
Ans: The functions of the brain are:
a) The brain helps us to think.
b) The brain is the control center of the body.
c) The brain helps us to judge what is wrong and what is right.
Q.4)What should we do before and after eating?
Ans: We should wash our hands before and after eating.
08/07/2021
CHAPTER 4 - NEEDS OF ANIMALS
Answer the following questions.
Q.1) Who are flesh eaters?
Ans: Animals like the Tigers, cats and dogs are flesh eaters.
Q.2) Why do animals make homes?
Ans: Animals make homes to protect themselves from the heat, cold, rain and enemies.
Q.3) Why do birds make nests on trees?
Ans: Birds make nests on trees so that they remain safe from other animals like the cat and dog etc.
Q.4) What are the nests made up of ?
Ans: Nests are made up of straw, twigs and leaves.
18/06/2021
CHAPTER 3 - A LOOK AT ANIMALS
Answer the following questions.
Q.1 What are amphibians ?
Ans: Animals that can live both on land and in water are called amphibians.
Q.2 What are milch animals ?
Ans: Animals that give us milk are called milch animals.
Q.3 How many legs does an insect have ?
Ans: All insects have six legs.
Q.4 What helps birds to fly ?
Ans: Wings help birds to fly.
Q.5 What are pet animals ?
Ans: Animals which live with us are called pet animals, for e.g. cat, dog.
03/06/2021
CHAPTER 2 - PLANT PRODUCTS
Answer the following questions.
Q.1 What are cereals ?
Ans:- Cereals are energy giving food.
Q.2 What are pulses ?
Ans:- Pulses are protein rich food.
Q.3 Where do tea and coffee grow ?
Ans:- Tea and coffee plants grow on hills.
Q.4 Which plant gives us sugar ?
Ans:- Sugarcane plant gives us sugar.
Q.5 Name the vitamin present in carrots ?
Ans:- Vitamin 'A' is present in carrots.
21/05/2021
CHAPTER 1 - A LOOK AT PLANTS
Answer the following questions.
1.) What are trees?
Ans:- Big strong and tall plants are called trees.
2) What are creepers?
Ans:- Plants that grow along the ground are called creepers.
3) What are climbers?
Ans:- Plants which need support to grow are called climbers.
4) Name any four parts of plants?
Ans:- Fruits, Leaves, Trunk and Roots.
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