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L5 Matter Overall

L5 Matter Overall Assessment Questions

QuestionAnswer
Total energy related to the motion of the atoms and molecules in an object or sample of matter Thermal energy
A measure of the average kinetic energy of the particles of a substance Temperature
Thermal energy transferred from a warmer object to a cooler one Heat
To change state from a liquid to a gas at the surface of the liquid Evaporate
To change state from a solid to a gas Sublime
To change state from a gas to a liquid Condense
To change state from a gas to a solid Deposit
TE = TE Total Energy = Thermal Energy
What do you call the average kinetic energy as I took my boat around the lake? Temperature
Energy always travels from the _________ object to the __________ object warmer to cooler
How do the particles in a warm object move? the warmer it is the faster the particles move
You have more thermal energy when an object has... more particles
What type of attraction do gas particles have? weak attraction
What determines how much thermal energy it takes a substance to change state? attraction of the particles determines when states change
If an object gains energy, its particles will speed up
The attraction of particles affects the ... melting points and boiling points
If particles have a strong attraction they will have .... high melting/boiling points
How much energy do warm objects have? more energy than cooler objects
If particles have a weak attraction they will have.... low melting/boiling points
An example of a substance with a strong attraction is... water
An example of a substance with a weak attraction is... gases
If an object loses energy, its particles will slow down
If you have 2 substances at the same temperature which one will have more thermal energy? the one with more particles
How do the particles in a cool object move? slower moving
How much energy do cool objects have? less energy than warmer objects
Created by: Science6IMS
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