What piece of equipment wold you use to heat water in the lab?
Question 22
22.
Condensation is the opposite of freezing
True
False
Describe the motion of atoms in a solid.
atoms are tightly packed and locked into place
atoms losely packed and slide past each other
atoms are not paced at all and slide past each other
Place an ice cube on the palm of your hand for 15 seconds. What happens?
The ice cube melts (changes from solid to liquid because of the transfer of heat from your hand (conduction)
The ice cube melts (changes from solid to liquid) because of the pressure
Describe the motion of atoms in a liquid.
atoms are tightly packed and locked into place
atoms losely packed and slide past each other
atoms are not paced at all and slide past each other
Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Question 11
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Question 12
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Matter is...
anything that has mass and carries an electric charge
anything that takes up space and has mass
anything that is a liquid or solid
anything that you can weigh on a scale
Which state of matter cannot be compressed?
Solid and liquid
Solid and gas
Liquid and gas
Diffusion is...
The movement of particles from low to high concentration.
The movement of particles from high to low concentration.
The movement of particles from high to low concentration through a membrane.
Match the state of matter to its properties.
Liquid
Fixed shape, fixed volume, cannot be compressed, particles touch.
Gas
Takes the shape of its container, fixed volume, cannot be compressed, particles touch.
Solid
No fixed shape, no fixed volume, can be compressed, particles do not touch.
What is a fluid?
Gas and liquids
Liquids
solids and liquids
What happens to the energy as you heat a solid?
Thermal energy store decreases as particles move more.
Kinetic energy store decreases as particles move more.
Kinetic energy store increases as particles move more.
At what temperature does water boil?
100 degrees celcius
98 degrees celcius
102 degrees celcius
An element has a melting point of 10 degrees celcius and a boiling point of 70 degrees celcius. Which state of matter will it be be in at 45 degrees celcius?
Liquid
Solid
Gas
The movement of molecules from higher concentration to lower concentration is known as _______
