Which physical property is the most helpful to determine if water is water?

• Mass of the liquid

• Boiling point of the liquid

• Color of the liquid

• Volume of the liquid

Condensation is actually...

• Drops of water vapor from the air which turned to liquid.

• Drops are liquid water coming from inside the glass.

• Drops are Mt. Dew seeping from the glass.

What would you do to move food coloring in a beaker of water?

• Increase the temperature of the water with food coloring.

• Decrease the temperature of the water with food coloring.

• Seal the jar with a lid.

• Leave the jar uncovered.

The average distance between molecules always increases during which phase change?

• gas to liquid

• liquid to solid

• liquid to gas

• gas to solid

Solid---particles have no kinetic energy.

• True

• False

Liquid---particles are more strongly attached to one another than when in the solid state.

• True

• False

Gas---particles have higher amounts of kinetic energy than when in the liquid state.

• True

• False

Liquid---particles expand to fill any container in which they are placed.

• True

• False

Kinetic theory of matter states that...

• particles in an object are always moving.

• solids can only become liquids.

• solids can condense to liquids

When ice melts...

• The mass of the water decreases during melting.

• The mass of the water stays the same before, during and after melting.

• The mass of the water is always changing.

• The mass of the water increases during melting.