"Living and Non-living Things" PPT courseware

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"Living and Non-living Things" PPT courseware

Part 1: What is a living thing?

Living objects are called organisms.

Inanimate objects are called non-living things.

Discussion: Which of the following do you think are living things? What are non-living things?

group discussion:

Tell me how you determine whether they are living or non-living things?

Biological and non-living things PPT, part 2 content: basic characteristics of living things

capable of reproducing offspring;

able to grow;

Able to excrete and breathe;

Respond to external stimuli

Common characteristics of living things:

Organisms generally have a cellular structure (except viruses)

All living things have the characteristics of inheritance and variation

Living things can adapt to the environment and can also affect the environment

Biological and non-biological PPT, part 3 content: thinking and discussion:

1. The dog will turn when it hits the wall. Some mechanical dogs will also turn when they hit the wall. Compare the difference between the two from the perspective of responding to external stimuli.

The movement of the mechanical dog and its response to stimuli are all artificially set, which is different from the way an organism responds to changes in its internal and external environment.

2. Dogs obtain energy by eating, and cars consume gasoline to obtain energy. What is the difference between the two?

On the one hand, the "food" eaten by dogs can be used for oxidative decomposition to provide energy, and on the other hand, it can be transformed into its own components. Cars consume gasoline and burn it to release energy that is supplied to the car.

Living and non-living things PPT, Part 4: Practice

1. Which of the following are living things ( )

A. Dinosaur fossils

B. Dead branches and leaves

C.Virus

D.Snowflake

analyze:

Dinosaurs are animals, but dinosaur fossils are no longer alive, so they are not living things; dead branches and leaves are no longer alive, so they are not living things;

Snowflakes are the solid form of water, inanimate and not living things;

Viruses are tiny organisms without cells

2. Those belonging to living things are---- ( )

Non-living things include--()

①Morris ②Mimosa ③Rainbow ④Wild goose ⑤Meteor ⑥Washing machine ⑦Vacuum cleaner ⑧Rocket ⑨Grasshopper ⑩Falling leaves

3. The essential difference between living things and non-living things is ( )

A. Is there life? B. Cell growth

C. Can breathe D. Can reproduce

Biological and non-biological PPT, Part 5: Observing the biological characteristics of snails

snails

Where did the students discover it?

Under the grass, under the rocks...

What do these places have in common?

dark, damp

Today we will study the snails we invited.

Pay attention, we must take care of it and cherish life.

Biological and non-biological PPT, Part 6: Use of magnifying glass

Hold the handle of the magnifying glass, place the object in front of the magnifying glass, move the object back and forth, and obtain a large and clear image by adjusting the distance between the magnifying glass and the object being observed.

If the object you want to observe cannot move, you can move your head and the magnifying glass at the same time to get a large and clear image.

What is observed with a magnifying glass is a virtual image of _________ and _________.

Biological and non-biological PPT, Part 7: Application Selection

1. Among the following phenomena, which one belongs to the phenomenon of life ()

A. The bicycle factory produces a large number of identical bicycles.

B. Continuously add coal to the boiler, discharge slag, release carbon dioxide, and carry out material transformation.

C. The waves hit the embankment.

D. A cow gives birth to a calf.

2. Through experiments, we know that snails do not have ( )

A. Touch B. Smell C. Hearing D. Vision

3. In order to observe more carefully, it is often necessary to use tools. The following tools allow us to observe snails carefully ( )

A.Microscope B.Telescope C.Reflector D.Magnifying glass

4. The snail has _____ diagonal horns, and its eyes are on ______________.

Keywords: Zhejiang Education Edition seventh-grade science PPT courseware free download, biological and non-biological PPT download, .PPT format;

For more information about the "Living and Non-Living Things" PPT courseware, please click the "Living and Non-Living Things" ppt tab.

"Living and Non-living Things" PPT:

"Living and Non-living Things" PPT Part 1 content: 1. Basic characteristics of living things 1. Able to reproduce offspring 2. Able to grow and develop 3. Able to metabolize 4. Respond to external stimuli All living things have common characteristics ① Able to Reproductive offspring ② can grow and develop..

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Update Time: 2024-11-24

This template belongs to science courseware Zhejiang Education Edition Seventh Grade Science Volume 1 industry PPT template

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