Phase Change

When changing from a gas to a liquid, thermal energy (heat) must be ________.

• Added

• Removed

Tags

NGSS.MS-PS1-4

When changing from a liquid to a gas, thermal energy (heat) must be ________.

• Added

• Removed

Tags

NGSS.MS-PS1-4

When changing from a solid to a gas, thermal energy (heat) must be ________.

• Added

• Removed

Tags

NGSS.MS-PS1-4

The image shown represents a phase change for some copper atoms.

Which of the following phase changes are the copper atoms undergoing?

• Gas to Liquid

• Liquid to Gas

• Solid to Liquid

• Liquid to Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What phase change is the image showing?

• Plasma to Gas

• Solid to a Liquid.

• Liquid to a Gas.

• Gas to a Solid.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As the movement of water molecules begin to slow down, they go into a phase where they are no longer able to easily move past each other.  The water is passing through a phase change and will most likely …

• turn into a solid.

• turn into a new substance.

• turn into a gas.

• remain a liquid.

Tags

NGSS.MS-PS1-4

When a solid changes into a gas, skipping the liquid phase, that is called ... ?

• Condensation

• Evaporation

• Sublimation

• Melting

Tags

NGSS.MS-PS1-4

How does matter change from one state to another?

• Addition and subtraction of thermal energy, also known as heat.

• Addition of Thermal energy only.

• Subtraction of Thermal Energy only.

• Packing its bags.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Adding Thermal Energy, or heat,  to a substance causes phase changes because it ...

• Doesn’t change the particle's speed.

• Makes the particles move slower.

• Makes the particles move faster.

• Makes the particles smaller.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When a gas turns into a liquid, through condensation, what happens to its density?

• Less dense.

• Becomes more dense.

• Density doesn’t change.

• None of these.

Tags

NGSS.MS-PS1-4