What is the main topic discussed in the video?

• The properties of light

• The properties of sound

• The properties of matter

• The properties of energy

Which instrument can be used to measure mass?

• Ruler

• Thermometer

• Electronic balance

• Protractor

What does a bar on the mass graph indicate?

• The object is invisible

• The object has mass

• The object is non-matter

• The object has no mass

Why is light considered non-matter?

• Because it is visible

• Because it does not have mass

• Because it occupies space

• Because it has mass

Which of the following is NOT considered matter based on the mass graph?

• N

• M

• K

• L

What is the second property of matter discussed in the video?

• Matter occupies space

• Matter has color

• Matter is invisible

• Matter is weightless

How does the volume graph help in identifying matter?

• It confirms the object occupies space

• It confirms the object has mass

• It shows the color of the object

• It shows the temperature of the object

What confirms that K, M, and N are matter?

• They are visible

• They have mass only

• They have volume only

• They have both mass and volume

What should viewers do if they found the video useful?

• Ignore it

• Give a thumbs up

• Dislike it

• Report it

What is encouraged at the end of the video?

• To subscribe for more videos

• To delete the channel

• To unsubscribe

• To stop watching