"The Sink and Float of Materials in Water" Materials Around Us PPT Courseware 3

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"The Sink and Float of Materials in Water" Materials Around Us PPT Courseware 3

chess tournament

Class three of grade three is going to hold a chess competition, and the students are very happy.

Xiao Hong and Xiao Ming were happily running to the activity room to help the whole class play chess.

When they arrived at the activity room, they were both dumbfounded because the chess pieces and checkers were put into a bucket together. How could they quickly sort out the checkers and chess pieces?

What we found:

____ materials like iron, aluminum, and copper are easy to ____ in water; materials like ____ and ____ are easy to ____ in water. The sinking and floating of objects in water is related to the ____ that make up the object.

In life, what other materials use the characteristics of materials to sink and float in water?

Wooden boats take advantage of the fact that wood floats on the water.

What other wood products are there in our lives? What are these wood products used for? What properties of wood do people take advantage of?

A mature tree takes at least ten years to grow in nature. The world's forests are declining rapidly due to environmental pollution and artificial logging.

People have now begun to use other materials to replace wood, and even make artificial boards from wood chips and wood scraps, which are widely used.

Students, what other alternatives to wood do you know?

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For more information about the PPT courseware "Materials Around Us: The Sink and Float of Materials in Water", please click on the Materials Around Us ppt: The Sink and Float of Materials in Water ppt tag.

"The Sink and Float of Materials in Water" Materials around us PPT:

"The Sinking and Floating of Materials in Water" Materials Around Us PPT Part One: Sinking and Floating Experiment If common materials such as wood, paper, metal, and plastic are put into water, which of them will float and which will sink? Collect something made of wood, metal, plastic...

"The Sink and Float of Materials in Water" Materials Around Us PPT Courseware 4:

"The Sink and Float of Materials in Water" Materials around us PPT courseware 4 Think about it 1. How do materials go into water? Place the object lightly in the middle of the water and then let go. 2. How to judge the sinking and floating of materials? How to calculate weight? If the object touches the bottom of the tank downwards, it means it is in the water...

"The Sink and Float of Materials in Water" Materials Around Us PPT Courseware 2:

"The Sinking and Floating of Materials in Water" Materials Around Us PPT Courseware 2 Think about it 1. How to judge the sinking and floating of materials? How to calculate weight? If the object touches the bottom of the tank downward, it means that it sinks in the water. If the object cannot touch the bottom of the tank, it means that it sinks in the water.

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Update Time: 2024-06-30

This template belongs to science courseware Third Grade Science Volume 1, Textbook Edition industry PPT template

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