"Does Air Have Weight?" Water and Air PPT Courseware 3

Description

"Does Air Have Weight?" Water and Air PPT Courseware 3

Take a guess

There is something everywhere that cannot be driven away with a stick;

Can't see with eyes, can't touch with hands,

It has no taste when chewed, and you will not live long without it.

(Hit a natural phenomenon)

1. Students, guess whether air has weight?

2. Let’s design an experiment to explore whether air has weight?

3. Experimental materials

Small wooden sticks, balloons, string, pen caps (chalk)

Kind tips:

1. Work in groups to complete the experiment and keep the classroom quiet.

2. What should you pay attention to when doing this experiment?

Answer: The position of the string on the small wooden stick cannot be changed.

3. Analyze the phenomenon and draw conclusions.

experimental method:

1. Inflate the balloon and tie it tightly and hang it on one end of the small wooden stick.

2. Hang the chalk (pen cap) on the other end.

3. Tie a string in the middle to adjust it to make it balanced, and then mark it on the small wooden stick.

4. Lift the small wooden stick again and observe whether it is still in a balanced state. If it is not balanced, readjust it to the balanced state and mark it until it is still balanced after being lifted.

Class summary

1. What did the students know through this lesson?

2. We must develop good habits of careful observation and active exploration.

Keywords: water and air teaching courseware, does air have weight teaching courseware, third grade third grade science PPT courseware download, third grade science slide courseware download, water and air PPT courseware download, does air have weight PPT courseware download,. PPT format;

For more information about the PPT courseware "Water and Air Does Air Have Weight?", please click the Water and Air ppt Does Air Have Weight ppt tag.

"Does Air Have Weight?" Water and Air PPT Courseware 4:

"Does Air Have Weight?" Water and Air PPT Courseware 4 Characteristics of a Pallet Balance After balancing the balance, place objects on both sides. If the weights are equal, the balance will remain balanced. If the weights are unequal, the pointer of the balance will be biased towards the heavier one. aside. Challenge extracurriculars like...

"Does Air Have Weight?" Water and Air PPT Courseware 2:

"Does Air Have Weight?" Water and Air PPT Courseware 2 Think about it: Can you use experiments to prove your idea? Experimental equipment: 1 iron stand, 1 wooden stick or lever, 1 balloon, 1 pen cap, and some thin wires. Experimental process: 1. Make a homemade small balance. 2. Balance...

"Does Air Have Weight?" Water and Air PPT Courseware:

"Does Air Have Weight?" Water and Air PPT Courseware Characteristics of the Balance After balancing the balance, place objects on both sides. If the weights are equal, the balance will remain balanced. If the weights are unequal, one end of the balance will tilt toward the heavier side. Note: the position of the three lines...

File Info

Update Time: 2024-11-26

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

Preview