Podcast
Questions and Answers
Which state of matter do substances like wax exist in?
Which state of matter do substances like wax exist in?
- Only in liquid state
- In all three states: solid, liquid, and gas (correct)
- In a gaseous state only
- Only in solid state
What is the process called when a solid changes into a liquid?
What is the process called when a solid changes into a liquid?
- Condensation
- Sublimation
- Evaporation
- Melting (correct)
Why can we smell food being cooked without entering the kitchen?
Why can we smell food being cooked without entering the kitchen?
- The air carries the smell to our nostrils (correct)
- The smell is only detected when indoors
- The smell travels through solid objects
- It is due to the presence of smoke
What is the main function of an Atmospheric Water Generator (AWG)?
What is the main function of an Atmospheric Water Generator (AWG)?
Which property is true for liquids?
Which property is true for liquids?
Flashcards
Solid
Solid
A state of matter where substances have a fixed shape and cannot flow.
Liquid
Liquid
A state of matter where substances can flow and take the shape of their container.
Melting
Melting
The process where a solid changes into a liquid due to heat.
Freezing
Freezing
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Atmospheric Water Generator (AWG)
Atmospheric Water Generator (AWG)
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Study Notes
States of Matter
- Substances like wax, oil, and ghee exist in solid, liquid, and gaseous states.
- Solids have a fixed shape and volume.
- Liquids have a fixed volume but take the shape of their container.
- Gases have no fixed shape or volume.
Properties of Matter
- Solids, such as wax, do not flow or spread.
- Liquids, such as oil, flow and spread.
- Gases, like the air, spread out and fill any available space.
Smell of Cooking Food
- Food smells can spread throughout a kitchen.
- This is because air carries the smell particles.
- The particles travel through the air until they reach the nose.
Change of State
- Melting is the change from a solid to a liquid state.
- Freezing is the change from a liquid to a solid.
Atmospheric Water Generator (AWG)
- An AWG is a device that collects water from the air.
- The air's humidity is used to produce drinkable water by condensation.
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