Share Changes of States Review Game
Save to Folder
Fill in the Blank: A change of state is a _____________ change.
physical
What's wrong? Matter is often conserved in a physical change?
Often should read always.
When will a solid change to a liquid?
When enough energy (heat) is added.
How do you change a liquid to a solid?
Remove energy.
What happens to a substance’s particles when energy is added?
They speed up.
How are boiling and evaporation the same?
They both change a liquid to a gas.
How are boiling and evaporation different?
Boiling is rapid while evaporation is slow/gradual.
What happens to a gas when energy is removed from a gas?
It turns to a liquid/condenses.
What causes the water vapor to condense on the outside of a lemonade pitcher on a hot day?
The coolness of the pitcher removes the energy from the water vapor causing it to change to water droplets.
Why do different kinds of matter change states at different temperatures and at different rates?
Each change depends on the particles and the forces.
How is sublimation different from vaporization?
Sub. - solid to gas Vap. - liquid to a gas
Why is dry ice an example of sublimation?
Because it changes from solid to a gas skipping the liquid state.
Why is frost an example of deposition?
Because water vapor changes directly to a solid skipping the liquid state.
True or False? Water changes to ice at 32 degrees Celsius.
false - it's 32 degrees Fahrenheit
What will most solids do when they are heated?
melt/expand
What causes thermal expansion?
adding heat/energy/increase in temperature/particles vibrating more rapidly
