"Animal Eggs" New Life PPT Download

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"Animal Eggs" New Life PPT Download

Part One: New Knowledge Explanation

1. Animal eggs

I find

The size, color, number, shape, etc. of eggs of different animals are different; the smoothness and texture are also different.

2. Observe eggs

Group discussion, leader report:

1. What are the characteristics of the appearance of eggs?

2. Are there any small holes in the shell of the egg?

3. What’s inside the egg?

1.Put the egg in the palm of your hand and squeeze it

It is not easy to crush because the egg is oval and has a high endurance.

2. Use a magnifying glass to observe the surface of the eggshell

There are many small pores on the outside. The chicks need to breathe when they hatch.

3. Observe a raw egg

4. Observe a cooked egg

3. Hatching of frog eggs

Animal Eggs PPT, Part 2: Consolidation Practice

Do it, talk about it

1. Judgment

1. For an animal egg to develop and grow into a new animal, it needs suitable conditions. ( )

2. Insects, fish, frogs and birds are mostly oviparous animals. ( )

3. The egg shell is very brittle and will break when touched, so it cannot protect you. ( )

4. The eggs produced by animals can develop into a new generation of life. ( )

2. Fill in the blanks

1. The way frogs and chickens reproduce through eggs is called _______.

2.Animals that reproduce through eggs are called __________.

3. Frog eggs can hatch into tadpoles in about __________ days.

Animal Eggs PPT, Part 3: Class Summary

1. Animal eggs

2. The hatching of chicks

3. Hatching of frog eggs

4. Oviparous animals

The way frogs and chickens reproduce their offspring is called oviparous reproduction. Animals that reproduce by eggs are called oviparous animals.

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For more information about the "New Life Animal Eggs" PPT courseware, please click the New Life ppt Animal Eggs ppt tag.

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Update Time: 2024-11-22

This template belongs to science courseware Fourth Grade Science Volume 2, Textbook Edition industry PPT template

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