U3M1L1: Particles in Motion

The energy of motion is called ________ energy

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Water has been left in a pot on a hot stove. Bubbles form throughout the liquid and rise to the top. Which type of change is this?

• boiling

• evaporation

• density

• condensation

Tags

NGSS.MS-PS1-4

_______ is the measure of the average kinetic energy of the particles in a material.

• Thermal expansion

• Thermodynamics

• Temperature

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NGSS.MS-PS3-4

Temperature is a measure of ____ of the particles in an object.

• the difference between the potential energy and kinetic energy

• the sum of the potential energy and kinetic energy

• the average potential energy

• the average kinetic energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What can you add to this liquid particulate model to show increased energy?

• more curved lines to each particle

• arrows

• the energy cannot be increased

Tags

NGSS.MS-PS1-4

When a substance is heated, the particles gain energy and move apart, increasing the volume. The mass of the substance being heated _______.

• increases

• decreases

• stays the same

• varies unpredictably

When temperature increases, average _____ increases.

• potential energy

• kinetic energy

• gravitational potential energy

• chemical energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Bars of different metals are all heated to 100°C to determine how their volume and length would be affected. Which statement describes the most likely outcome of this experiment?

• All of the volumes change and so do their lengths.

• All of the volumes change, but the lengths remain the same.

• The volumes and lengths do not change

• All of the volumes change the same amount and the lengths remain constant.

Tags

NGSS.MS-PS1-4

the movement of substances from an area of higher concentration to an area of lower concentration is called ________.

• temperature

• diffusion

• kinetic energy

Which state of matter is this particulate model?

• liquid

• gas

• solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4