Test week 3, C 1, HVT
In which state of matter are the particles mostly touching but arranged in a random way?
A
Solid
B
Liquid
C
Gas
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Lesduur is: 45 minOnderdelen in deze les
In which state of matter are the particles mostly touching but arranged in a random way?
A
Solid
B
Liquid
C
Gas
Slide 1 - Quizvraag
In which state of matter do the particles have the most energy?
A
Solid
B
Liquid
C
Gas
Slide 2 - Quizvraag
Why can liquids not be compressed easily
A
The particles are in a random arrangement
B
The particles are closely packed
C
The particles are free to move over each othe
Slide 3 - Quizvraag
Why do solids have a fixed shape?
A
The particles are fixed in plac
B
The particles are closely packed
C
The particles vibrate
Slide 4 - Quizvraag
What is the name of the change when a liquid becomes a solid?
A
Melting
B
Boiling
C
Freezing
Slide 5 - Quizvraag
What is sublimation?
A
When a solid turns into a gas
B
When a gas turns into a solid
C
When a gas turns into a liquid
Slide 6 - Quizvraag
What eventually happens if energy is continually removed from a liquid?
A
It boils
B
It evaporates
C
It freezes
Slide 7 - Quizvraag
What eventually happens to a gas if its pressure is increased?
A
It condenses
B
It evaporates
C
It melts
Slide 8 - Quizvraag
Was the substance being heated or cooled?
How do you know this?
How do you know this?
Slide 9 - Open vraag
What was the melting temperature?
Slide 10 - Open vraag
What was the temperature after 5 minutes?
Slide 11 - Open vraag
Describe in detail what happens when water boils. Use ideas about particles to explain what happens. In this question you get marks for how well your answer is written. You will get marks for:
Slide 12 - Open vraag
Jackie and Saffia are investigating saturated solutions. Explain the meaning of ‘saturated solution’.
Slide 13 - Open vraag
A student records the temperature of a substance for a period of several minutes. Her results are recorded in the table below.
Draw a LINE graph of her results with temperature on the vertical (side) axis and time on the horizontal axis. Make sure that you label the axis correctly and draw a line of best fit. (Draw in your notebook and upload the photo here)
Draw a LINE graph of her results with temperature on the vertical (side) axis and time on the horizontal axis. Make sure that you label the axis correctly and draw a line of best fit. (Draw in your notebook and upload the photo here)
Slide 14 - Open vraag
Was the substance being heated or cooled?
Slide 15 - Open vraag
What was the freezing temperature?
Slide 16 - Open vraag
What was the temperature after 5.5 minutes?
Slide 17 - Open vraag
What was happening at 8.5 minutes?
