The video tutorial explains the arrangement, motion, and forces of particles in solids, liquids, and gases. It highlights how particles are closely packed in solids, loosely arranged in liquids, and randomly arranged in gases. The tutorial also discusses the spaces between particles and the forces of attraction in different states. Additionally, it uses mercury as an example to illustrate phase changes with temperature, emphasizing that the particles remain the same while their arrangement, forces, and motion change.

How are particles arranged in a solid?

• Closely with order

• Loosely

• Randomly

• Far apart

In which state do particles vibrate about fixed positions?

• Gas

• Plasma

• Liquid

• Solid

In which state do particles move around quickly and slide past each other?

• Liquid

• Gas

• Plasma

• Solid

Tags

NGSS.MS-PS1-4

What fills the spaces between particles in matter?

• Electrons

• Air

• Water

• Nothing

What happens to the spaces between particles as matter changes from solid to gas?

• They disappear

• They decrease

• They stay the same

• They increase

Tags

NGSS.MS-PS1-4

Which state of matter has the largest spaces between particles?

• Liquid

• Solid

• Gas

• Plasma

Which state of matter has particles that are not held together and can move about?

• Plasma

• Gas

• Liquid

• Solid

How strong are the forces of attraction between particles in a gas?

• Extremely weak

• Moderately strong

• Very strong

• Weak

At what temperature does mercury become a gas?

• Between -39 and 357 degrees Celsius

• At 0 degrees Celsius

• Below -39 degrees Celsius

• Above 357 degrees Celsius

Tags

NGSS.MS-PS1-4

What changes about mercury's particles as it changes state?

• The size of the particles

• The type of particles

• The color of particles

• The arrangement and forces between them

Tags

NGSS.MS-PS1-4