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

Description

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

There is a crow who is very smart. One day, it was tired and thirsty after working, and really wanted to drink water. Suddenly, it saw a large pitcher with small branches floating on the water. It flew to the water jar and saw that there was not much water in the jar. It was so anxious that it picked up some stones and put them into the jar. If there were too many stones, the water in the jar would rise and the branches would float.

Please tell me

1. This is a story about a crow drinking water. Everyone knows that if the crow did not use small stones, it would not be able to drink water. Why?

2. The small branches float on the water ("↑"), and the small stones sink ("↓").

Experimental Tips

(1) Gently place the object in the center of the water and then let go.

(2) You can try each object several times, and make sure to keep records.

(3) After completing the experiment, please take the object out of the water and put it back on the plate, and keep the table clean.

What does the sinking and floating of materials in water have to do with?

Objects made of materials such as metal sink easily in water, while objects made of materials such as wood and plastic float easily in water. Different materials sink and float differently in water.

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"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:

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

The Sink and Float of Materials in Water》Materials Around Us PPT Courseware 3 Chess Competition Class three of the third year 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...

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Update Time: 2024-09-24

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

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