conduction convection radiation. This can occur in empty space.
radiation
Potential or Kinetic. A person riding a bicycle.
kinetic
Potential or Kinetic. A ball resting at the top of a hill.
Potential
Guess what?
+10
________________ is the process of a liquid changing to a solid.
solidification
The temperature at which the water boils.
100 °C
Physical or Chemical change. Mixing vinegar and baking soda to create bubbles.
Chemical change
Potential or Kinetic. Water held behind a dam.
Potential
____________________ has a definite volume, but not a definite shape.
Liquid
conduction convection radiation. This usually occurs in solids.
conduction
___________________ is anything that has mass and volume
matter
Physical or Chemical change. Cutting an apple into slices.
Physical Change
________________ is the process of a solid changing to a liquid.
melting
_______________ does not have a definite shape or volume.
Gas
________________ is the process of a gas changing to a liquid.
condensation
When juice placed in the freezer turns into a Popsicle, what process is occurring?
freezing
Physical or Chemical change. Dissolving sugar in a cup of tea.
Chemical change
Guess what?
+5
True or False. Thermal energy is the total kinetic energy of the particles in a substance.
True
Guess what?
+5
________________ is the process of a liquid changing to a gas.
evaporation
True or False. As you increase the temperature of a substance, the speed of its particles decreases.
False
The temperature at which water freezes.
0 °C
conduction convection radiation. This usually occurs in liquids and gases
convection
True or False. An insulator allows heat to move through it easily.
True