"Does Air Take Up Space?" Water and Air PPT Courseware 4

Description

"Does Air Take Up Space?" Water and Air PPT Courseware 4

When you blow up a balloon, what makes the balloon get bigger?

If you press the balloon, what will its shape be like?

Press the balloon and the shape of the balloon will change.

At the same time, your hand will feel the rebound force of the balloon; after you let go, the balloon will return to its original shape.

help

There is some water in the bottle. Can you use the knowledge you learned today (air) to squeeze the water out of the bottle without tilting the bottle?

Experimental materials: plasticine, straws, bottles

Let’s discuss it first

Think about it: ①What is the use of plasticine? ②How do you get air into the bottle? ③How do you use air to squeeze water?

Can paper get wet?

1. Do not make loud noises during the experiment, and pay attention to division of labor and cooperation among group members.

2. If it succeeds the first time, think about whether there are other methods; if it fails, improve it and try again.

3. When placing paper at the bottom of the cup, make sure it is tightly packed and cannot let it fall.

4. The cup should be turned upside down and immersed in water, and should not be tilted.

5. Take the cup upright from the water, wipe the mouth of the cup and check whether the paper is wet.

Syringe push and pull experiment

Experimental requirements:

1. Gently push and pull the piston with your fingers and carefully observe the experimental phenomenon.

2. Comparison: What is the difference between the two?

3. Complete the form.

DIY

1. Prepare two syringes and fill them with the same volume (10ml) of water and air respectively.

2. Plug the nozzle, push the piston with the same force, and record the positions of the two syringe pistons.

3. Plug the nozzle, pull the piston with the same force, and record the positions of the two syringe pistons.

The essential:

Same volume of water and air

The same force pushes or pulls the piston

Observe carefully, record carefully, and cooperate in unity

Keywords: water and air teaching courseware, does air take up space teaching courseware, third grade science PPT courseware download from the textbook edition, third grade science slide courseware download, water and air PPT courseware download, does air take up space PPT courseware download,. PPT format;

For more information about the PPT courseware "Water and Air Does Air Take Up Space?", please click the Water and Air ppt Does Air Take Up Space ppt tag.

"Does Air Take Up Space?" Water and Air PPT Courseware 3:

"Does Air Take Up Space?" Water and Air PPT Courseware 3 Help. Crows are squeezed out of water by stones. Can you use (air) to squeeze water out of a bottle? Experimental materials: plasticine, straws, bottles Let’s discuss it first. Think about it: ①Plasticine...

"Does Air Take Up Space?" Water and Air PPT Courseware 2:

"Does Air Occupy Space?" Water and Air PPT Courseware 2 The Status and Function of Teaching Materials "Does Air Occupy Space?" is the sixth lesson of the "Water and Air" unit in the third-grade volume of the textbook version. This lesson strives to allow students to learn through a series of activities. Recognize that air, like other substances,...

"Does Air Take Up Space?" Water and Air PPT Courseware:

"Does Air Occupy Space?" Water and Air PPT Courseware Do you also know which objects in life can occupy space? Activity 1: Stuff a ball of paper into the bottom of a cup, then place the cup upside down and plunge it into the water. Predict whether the ball of paper will be wet? Why? Activity 2 How...

File Info

Update Time: 2024-11-22

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

Preview