GRADE IV EVS, ANIMAL REPRODUCTION

DATE:- 23/8/21

Topic taught:- D.T in Google form, kick start.Animals and their young ones.

Date:-25/8/21

Topic taught:- Recaptulation question asked, Mammals and egg laying animals and structure of an egg.

Home work:- Learn the topic taught in the class, Video in the Students resources.

 Date:- 27/8/21

Topic taught:-Structure of an egg

Home work:-Learn the topic taught in the class, Video in the Students resources

Complete K.W.L chart 

Date:- 31/8/21

Topic taught:- Reproduction of different egg laying Animals.  Life cycle of hen, life cycle of fish. Reproduction in reptiles.

Home work:-  learn  the topic taught in the class, video from the student resources in the between us.

MAKE A  3 D MODEL OF LIFE CYCLE OF FROG OR BUTTERFLY

STUDENTS  SHOULD MENTION THEIR NAME, CLASS AND DIVISION ON THE PLATE.

DATE- 1/9/21

TOPIC TAUGHT:- Recapitulation question asked, Metamorphosis explained.Life cycle of Grasshopper and Butterfly explained.word Galaxy along with  very short type question discussed.

HOME WORK:- Learn the topic taught in the class, video from the student resources in  the between us.

WRITE IN NOTE BOOK

NEW TERMS

1. SPAWN:- The mass of eggs of fish and frogs.

2. NYMPH:-The young one of an insect which looks like it's parent

3. Moulting:-The shedding of skin  of  insects.

 Q3.a.  Why do only a few hundred fish eggs of the thousands that are laid hatch?

Ans:- Because most eggs are eaten by bigger fish and other predators as the eggs of fish donot have shells.lt is surrounded by a protective jelly like substance.

b.     What is Reproduction?

Ans:-It is a process by which living beings produce young ones of their own kind.

C.    How do Mammals take care of their young ones?

Ans:- Mammals look after their young ones by keeping them clean ,worm and protecting them from enemies and other hazards.

d.   Why do eggs of reptiles have a leathery and elastic outer covering?

Ans:-   Due to this characteristics ( property) eggs do not break when they are laid on the ground.

Date:- 2/9/21

TEXT BOOK ANSWERS

1)  Fill in the blanks with the correct option.

a.  Tadpole

 b.   wiggler

c. albumen  

d.    Cat

             2.         a. True                                                                     

b.false

c). True

d). false

4).            1.egg                   

2.caterpillar

3.  Pupa         

4.Adult.    

WORK BOOK ANSWERS