"Animals on Campus" Making Friends with Animals PPT Courseware 3

Description

"Animals on Campus" Making Friends with Animals PPT Courseware 3

Observe the snail carefully and see what characteristics it has?

The snail has flat feet and tail on its abdomen, and two pairs of antennae-like antennae on its head, one in front and one in back. The one in the front is small and the one in the back is large. The pair of tentacles in the back has a pair of eyes. It carries a load on its back. with a spiral shell.

How do snails crawl?

The flat feet under the snail's belly are actually horizontal stripes. These horizontal stripes ripple backwards like water ripples, and the snail crawls slowly by relying on the fluctuations of the horizontal stripes. There is a small thing called "foot gland" in the snail's foot, which can secrete a kind of mucus to help it crawl.

What do snails eat?

Snails usually live in warm, moist environments:

The staple food is various vegetables, weeds and melon and fruit peels; leaves, stems, buds, flowers, juicy fruits, etc. of crops.

In cold winters and hot and dry summers: snails can secrete mucus, seal the mouth of their shells, cannot eat, and hibernate or aestivate in dead leaves or piles of rubble.

Do snails have senses of touch and smell?

Will the snail react if you gently touch the snail's antennae, feet, shell and trunk with the back end of your cotton swab? Which part is the most sensitive?

Dip a cotton wool in vinegar or alcohol and place it close to the snail's head. Will the snail react?

Do snails have vision and hearing?

After letting the snail crawl in the dark for 3 minutes, shine a flashlight on the snail's head from the front and carefully observe how the snail moves.

Stand 0.5 meters in front of the crawling snail and clap your hands vigorously to see if the snail reacts?

ant family

Ants like to live in groups and will wander off alone when looking for food.

In a nest of ants, there are three types of ants: worker ants, male ants and female ants;

funny ant

The foods that ants like to eat are sweet foods, such as sugar and bread crumbs.

The situation of ants looking for food is very interesting:

If it smells sweetness, test the food with its legs first, then it will eat it and try to drag the food away.

And ants talk with their tentacles.

The fight between ants

Put ants from different nests together and they will bite and kill them as soon as their tentacles touch;

Put the ants in the same nest together. After they meet, they will not only fight or bite, but they can also feed each other.

Common characteristics of small animals:

They all need to breathe, drink water, and eat; they all grow and reproduce; they all respond to stimuli; they all move...

Some simple classification methods:

Category 1: Flying: domestic pigeons, mantises, seagulls, dragonflies;

Flightless: zebra, elephant, turtle, salamander, snake, giant panda, frog.

Category 2: Legless: snake;

Those with legs: pigeons, praying mantises, seagulls, dragonflies, frogs, zebras, elephants, turtles, salamanders, and giant pandas.

A more scientific classification method:

Mammals: zebra, elephant, giant panda;

Reptiles: turtles, snakes;

Amphibians: salamander, frog;

Birds: Domestic pigeons, seagulls;

Insects: mantis, dragonfly.

Keywords: Making friends with animals teaching courseware, Animal teaching courseware on campus, People’s Education Edition third grade science PPT courseware download, Third grade science slide courseware download, Making friends with animals PPT courseware download, Animals on campus PPT courseware Download, .PPT format;

For more information about the PPT courseware "Making Friends with Animals and Animals on Campus", please click the "Making Friends with Animals and Animals on Campus" PPT courseware.

"Animals on Campus" Making Friends with Animals PPT Courseware 2:

"Animals on Campus" Making Friends with Animals PPT Courseware 2 The common small animals on campus are missing-tooth bronze beetles and grow into adults. The seven-spotted ladybug's antennae are used to identify directions and find food. Ladybugs are carnivorous, because they eat Small insects can harm crops, so ladybugs...

"Animals on Campus" Making Friends with Animals PPT Courseware:

"Animals on Campus" Making Friends with Animals PPT Courseware Scarab Bronze Scarab with Missing Tooth The seven-star ladybug's antennae are used to identify directions and find food. Ladybugs are carnivorous. Since the small insects they eat can harm crops, ladybugs are It is a good friend of the farmer. observe..

File Info

Update Time: 2024-10-02

This template belongs to science courseware People's Education Press Third Grade Science Volume 1 industry PPT template

Preview