Unit 3: Particle Motion and Energy

The total kinetic energy of all the particles _____________ when we increase the temperature of the gas and/or when we increase the number of particles.

• decreases

• remains the same

• increases

• goes up and down

The kinetic energy of individual particles ___________ as the particles collide with one another.

• doesn't change

• changes

• sometimes increases

• sometimes decreases

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The individual particles have __________ amounts of kinetic energy, even though the gas is at a given temperature.

• similar

• the exact same

• unrelated

• different

If you add more particles to a sample, the total kinetic energy ___________ but the temperature or average kinetic energy might stay the same

• stays the same

• decreases

• increases

• fluctuates up and down

The total kinetic energy of a sample is the sum of the kinetic energy of ________ the particles in the sample.

• all

• half

• two of

• most

Temperature is a ____________ of average kinetic energy of the particles in a sample of matter.

• molecule

• type of energy,

• feeling

• measure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When particles collide, energy is __________ from particles with more kinetic energy to those with less kinetic energy.

• given

• transformed

• transferred

• taken

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The kinetic energy of particles is constantly _____________ as particles collide with each other.

• decreasing

• changing

• increasing

• staying the same

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Not all particles in a sample have the same_____________.

• energy

• potential energy

• kinetic energy

• temperature