Kinetic Theory

The motion energy of particles is called...

• kinetic energy
• connecting energy
• electrostatic energy
• gravitational energy

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When particles collide with each other they...

• transfer kinetic energy
• stop completely still
• become smaller
• lose all their energy

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Two cubes have identical volume, but one has a higher density.  It is...

• heavier
• lighter
• softer
• rougher

Temperature is a measure of particle's...

• kinetic energy

• size

• colour

• electrostatic force

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No Definite Shape and No Definite Volume

• Gas
• Liquid
• Solid

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Definite shape and a definite volume.

• Gas
• Liquid
• Solid

When the temperature of matter decreases the particles ...

• speed up and move farther apart
• speed up and move closer together
• slow down and move farther apart
• slow down and move closer together

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NGSS.MS-PS1-4

When air in a hot air balloon is heated the air inside the baloon...

• expands
• contracts
• evaporates
• condenses

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Railroad tracks have gaps between rails so they don't buckle in hot weather because

• thermal conductivity
• specific heat
• thermal expansion
• thermal insulation

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When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased diestance from each other.
• More rapidly with less distance between each other.
• More slowly with a greater distance between each other.
• More slowly with a reduced distance between each other.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4