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WorksheetsP3. Particle Model
Total questions: 20
Worksheet time: 10mins
Gold is a dense solid. What does this mean?
It is hard
It is heavy
It is heavier than other things of the same size
It is malleable
What is the equation for density?
Density = mass x volume
Density = weight x volume
Density = volume / mass
Density = mass / volume
True or False: Solids are always more dense than liquids.
True
False
True or False: The tomato in the image is more dense than water
True
False
True or False: More dense things tend have more particles closer together.
True
False
Which of these is false about solids
Particles move about fixed positions
Solids can easily change shape
Solids have fixed volumes
Solids cannot flow
The internal energy of a substance is...
the movement of particles
the average kinetic energy of the particles
the average kinetic and potential energy of the particles
the average potential energy of the particles
Specific Heat capacity is...
how hot something is
how hot something can get
how much energy it takes to increase the temperature of something
the total amount of energy an object has
Specific latent heat is...
The amount of energy it takes to change the state of a substance
The amount of energy it takes to increase the temperature of a substance
the amount of energy a substance has
how hot a substance can get
Carbon dioxide and iodine can sublimate. What does this mean?
It is only a gas
It can go straight from solid to gas without becoming a liquid
It is only a solid
It can be all three states at the same time.
Gold has a density of 19.3g/cm3 What would the mass of a 2cm x 3cm x 4cm block be?
38.6g
463.1g
115.8g
231.6g
What is the reading on this Vernier Caliper? Don't worry about units.
(a)
What is the reading on this Vernier Caliper? Don't worry about units.
(a)
What is meant by resolution?
How accurate something is
The difference between the numbers on the measuring device
The biggest number on a measuring device
The smallest change that can be detected by a measuring device
Which of these describe the random motion of particles in a gas
Redian Motion
Brownian Motion
Greenian Motion
Pinkian Motion
What happens to the pressure of a gas as temperature increases
the pressure will increase linearly
the pressure will decrease
the pressure will not change
the pressure will increase, not linearly
What causes gas pressure?
The gas particles condensing on the surface of a container
The gas particles colliding with each other
The gas particles colliding with the surface of the container
Assuming temperature remains constant, what will happen to the pressure of a gas if the volume is decreased?
the pressure will increase
the pressure will decrease
the pressure will not change.
Why do helium balloons float, whereas air filled balloons do not.
Helium has no mass so will float
Helium is less dense than air, even with the mass of the balloon added it will still float.
What happens to the density of a substance as the temperature increases?
Density decreases because the particles can move away from each other
Density increases because the particles can move more
Density decreases because the particles take up less space
