Expansion and Contraction

What Is the Definition of Expansion

• The action of becoming larger or more extensive

• The action of closing inwards on an object

• The action of opening a dent in an object

What is thermal expansion

• The act of when the object expands due to Heat

• The act of when the object is heated and shrinks

• When plasma touches the object and it melts

• When Plasma lights the object on fire when touched

 

 

As particles are exposed to warmer temperatures they ________

• Speed Up

• Slow Down

• Stay the Same

• Vibrate at fixed Positions

As particles are exposed to colder temperatures they _______

• Speed Up

• Stay the Same

• Slow down

• Become Ions

True or False: Matter cannot be Created or Destroyed

• TRUE

• FALSE

Number 2 represents a ________

• Solid

• Liquid

• Gas

Particles in a _____________ are tightly packed together

• Solid

• Liquid

• Gas

• Plasma

There are two answers for this

Particles in a _________ take the shape of the container.

• Solid

• Liquid

• Gas

• Plasma

When objects absorb heat, the particles ________

• Gain energy and vibrate at fixed position

• Gain energy and increase in size

• Gain energy and move slower

• Gain energy and move faster.

When atoms become closer with each other

• They Expand

• They Contract