מצגת פעילה אוויר

Open Ended

איך נדע שאוויר הוא חומר? מה עלינו לבדוק?

Multiple Choice

מהי מטרת הניסוי שראינו?

• לשקול את המסמרים

• לבדוק האם לאוויר יש מסה

• לראות כיצד בקבוק מכיל אוויר

• להשוות בין מסה של עצמים שונים

Open Ended

Describe the steps involved in measuring the mass of air as outlined in the experiment.

Multiple Choice

Based on the results of the experiment, what can be concluded about the mass of air?

• Air does not have mass

• Air has mass

• Adding air to the bottle does not change its mass

• The mass of the bottle decreases when air is added

Open Ended

Explain why the paper inside the glass remains dry when the glass is submerged upside down in water during the experiment.

Multiple Choice

Which of the following statements best describes what happens when the glass is removed from the water in the second experiment?

• The paper is wet because a lot of water entered the glass.

• The paper remains dry because no water entered the glass.

• The paper is wet even though no water entered the glass.

• The paper remains dry even though water entered the glass.

Open Ended

Explain how air demonstrates both mass and volume using examples from everyday life.

Multiple Choice

Which property of air allows it to fill the shape of any container it is placed in?

• Its mass

• Its ability to expand

• Its pressure

• Its ability to take the shape of the container

Multiple Select

Which of the following statements about air is/are correct?

• Air has mass and can exert pressure.

• Air always takes the shape of its container.

• Air can be seen with the naked eye.

• Air is only present in open spaces.

Multiple Choice

Which of the following best describes the nature of air?

• Air is a pure substance.

• Air is a mixture of gases.

• Air is a liquid.

• Air is a solid.

Open Ended

What is air composed of?

Multiple Choice

What is a mixture?

• A combination of different substances

• A single pure substance

• A chemical reaction

• A type of gas

Multiple Choice

Based on the pie chart and text, which gases make up the majority of Earth's atmosphere?

• Nitrogen and Oxygen

• Carbon Dioxide and Oxygen

• Nitrogen and Carbon Dioxide

• Oxygen and Argon

Multiple Choice

If you want to create a mixture similar to air, which combination should you use?

• 3 bags of oxygen, 1 bag of nitrogen, 1 bag of other gases

• 4 bags of nitrogen, 1 bag of oxygen, a little of other gases

• 2 bags of nitrogen, 2 bags of oxygen, a little of other gases

• 5 bags of oxygen, 1 bag of nitrogen, a little of other gases

Open Ended

Explain how the proportions of gases in the atmosphere are represented in the mixture model shown in slides 1 and 3.

Multiple Select

Which of the following materials are considered compressible according to the table?

• Plastic, Water, Air

• Air, Sponge, Water

• Air, Sponge, Plastic

• Plastic, Sponge, Water

Multiple Choice

What are the two main properties of a material/body that make it elastic?

• It can change shape when a force is applied and return to its original shape when the force is removed.

• It can conduct electricity and heat.

• It can dissolve in water and float.

• It can be compressed and expand indefinitely.

Multiple Select

Which of the following are examples of materials that are both elastic and compressible?

• Bread

• Plastic ruler

• Spring

• Air

Open Ended

Explain the difference between elastic and compressible materials, using examples from the lesson.

Multiple Choice

If you close the tip of a plastic syringe, press hard on the plunger, and release, what will happen to the air inside?

• The air will compress and return to its original state because it is both elastic and compressible.

• The air will compress but not return to its original state because it is not elastic.

• The air will not compress because it is not compressible.

• The air will not change because it is neither elastic nor compressible.

Open Ended

Summarize the properties of air as a material based on the lesson.

Open Ended

Reflecting on today's lesson about air and its properties, what is one new thing you learned or found interesting?

Multiple Choice

Is air considered matter?

• Yes, because it has mass and occupies space.

• No, because it cannot be seen.

• Yes, because it is invisible.

• No, because it does not have weight.

Open Ended

What is air pollution? Search for information from different sources and provide examples.