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Done by Amelia Ng, Sylvia Koh and Wilson Ang of 3A2

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Teach Toddlers Colors Numbers Preschool Race Cars & Magnet Truck

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Teaching Colours Tomica Auto Parking Garage Learn

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Best Toddler Learning Cars Trucks Colors

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This video has been redone! Please check out the new one here: https://youtu.be/1Jtw8g795Us This video will go unlisted once the incoming viewer rate of the new video surpasses that of this one. Science teachers, feel free to use this in class. This was made for a science assignment which was a presentation on the Kinetic Molecular Theory.

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What happen to the molecules when surrounding temperature increases/ decreases?

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What happen to the molecules when surrounding temperature increases/ decreases?

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;Motion of molecules

An increase in temperature will cause the molecules to move faster as a

large amount of thermal energy is converted to kinetic energy in the molecules.

Since an increase in temperature cause the molecules to move faster, a decrease

in temperature will make them move slower.

;Distance between molecules

Increase in temperature will cause the molecules to have greater distance between

them as the forces of attraction between each molecule is lessen, therefore, they

are able to move about freely. Vice versa if there is a decrease in temperature.

The particles will be attracted to one another and hence, having lesser distance

between them.

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Gas : Assumes shape and volume of its container

"Particles can move past one another"

"Particles are separated with no regular arrangement"

Liquid : Assumes shape of the part of container it occupies

"Particles can slide past on another"

"Particles close together with no regular arrangement"

Solid : Retains a fixed volume and shape

"Particles locked into place"

"Particles are tightly packed, in a regular pattern"

Gas : Compressible

"Lots of free space between particles"

"Particles vibrate and move freely at high speeds"

Liquid : Not easily compressible

"Little free space between particles"

"Particles vibrate, move about, slide past each other"

Solid : Not compressible

"Less space between particles"

"Particles vibrate, do not move from place to place"

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>Far apart from each other

>Moves randomly at high speed, often colliding with each other and walls of containers

>Can be compressed due to empty space between particles

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>Not arranged in regular pattern

>Not held in fixed position

>Cannot be compressed due to little spaces in

between the particles

>When heated, particles vibrate more vigorously

and expands slightly

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>Packed very closely in a regular pattern

>Vibrates in fixed position

>Cannot be compressed due to little spaces in

between the particles

>When heated, particles vibrate more vigorously

and gain more energy