AQA GCSE Physics - Particle model of matter - change of state

The thermal energy of a substance is called the........

• Maternal energy

• External energy

• Paternal energy

• Internal energy

The internal energy of a substance is made up of these two parts:

• elastic energy and potential energy

• internal energy and vibration energy

• potential energy and kinetic energy

• kinetic energy and elastic energy

When we increase the kinetic energy of particles we also increase their .............?

• mass

• temperature

• size

• area

Tags

NGSS.HS-PS3-2

When a substance is getting hotter, which internal energy store is increasing?

• gravitational

• potential

• kinetic

• elastic

When we melt a substance we transfer energy to the substance to break the .................... between the particles.

• bombs

• moulds

• wounds

• bonds

Tags

NGSS.MS-PS1-4

The temperature at which a substance changes state from a solid to a liquid is called the ...............?

• melting point

• boiling point

• evaporation point

• turning point

Tags

NGSS.MS-PS1-4

Between which two points is iron a solid?

• A to B

• B to C

• C to D

• D to E

• E to F

Tags

NGSS.MS-PS1-4

During which two sections of the graph does the temperature stay constant? (You must choose two answers)

• A to B

• B to C

• C to D

• D to E

• E to F

What state is iron in between C and D?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

At what point do the particles have the most kinetic energy?

• A

• C

• D

• F

Tags

NGSS.HS-PS3-2