"Where did the water on the clothes go?" PPT courseware 2

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"Where did the water on the clothes go?" PPT courseware 2

1. What materials are clothes made of?

2. What are the characteristics of various clothing materials?

3. When drying clothes, where does the water on the clothes go?

What will happen if you dip it in water and write the word "water" on the table?

What will happen if wet clothes are left to dry (liàng)? Where did the water on the clothes go?

experiment

Wipe the tabletop with a wet rag and observe the changes in the water marks on the wiped tabletop. Where did the water go?

Put a small amount of water in the bowl, mark the water level, and put it in a ventilated place. Observe it after a while to see what changes are in the water in the bowl.

What other research has been done? What phenomenon was observed?

Where did the water go?

The water turns into water vapor and is emitted into the air.

Why is the water gradually decreasing?

Because the water evaporates.

What are the characteristics of evaporation?

1. Generally occurs on the surface of liquid.

2. It can occur at any temperature.

Look for the phenomenon of water evaporation in life:

The water in the rooftop basin slowly becomes shallower on sunny days;

Wet clothes slowly dry in the room

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"Where did the water on the clothes go?" PPT courseware 3:

"Where did the water on the clothes go?" PPT courseware 3 1. Teaching materials "Where did the water on the clothes go?" is the content of the second volume of the third grade "Science" published by Hubei Education Press in 2015. This lesson allows students to conduct scientific research in actual situations by creating scenarios...

"Where did the water on the clothes go?" PPT courseware:

"Where did the water on the clothes go?" PPT courseware. Guess what will happen to the word "water" written when dipped in water? Guess: wet clothes dry in the sun after a while! Where did the water on the clothes go? A Experiment Experimental equipment:..

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Update Time: 2024-10-01

This template belongs to science courseware E-education edition third grade science volume 2 industry PPT template

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