What is the difference between a physical and a chemical change?
A physical change does not change the substance. A chemical change affects the substance of the matter.
What is the definition of Energy?
The ability to cause change.
What is an example of mechanical energy?
(teacher's discretion) example: frog leaping
What does frequency affect?
Pitch
What is the definition of matter?
Any of the following: Flammable, Corrosive, pH, Explosive
What is an example of Kinetic Energy?
(teacher discretion) example: A roller coaster going down hill.
What are the 3 ways that heat can transfer?
Conduction
Convection
Radiation
What unit of measure do we use to measure mass?
grams
Define the difference between a solid, a liquid and a gas.
A solid keeps its shape, a liquid takes the shape of the container and a gas goes everywhere.
What kind of change is usually irreversible?
Chemical change
Give an example of potential energy.
(teacher discretion) example: A rock sitting at the top of a hill.
What does the Greenhouse Effect do?
The Greenhouse Effect keeps our planet warm.
Solids
What is the difference between gas and plasma?
Plasma can conduct electricity, while gas cannot.
What does it mean when an object freezes?
It changes from a liquid to a solid.
What kind of energy can only be used once?
Non-Renewable Energy
What is an example of Radiation?
(teacher's discretion) example: sunburn
What is an example of renewable energy?
(teacher's discretion) example: wind
What is an example of physical properties?
Any of the following: Mass, Weight, Volume, Solubility, Viscosity, Density, Malleability, Ductility, Color
What state of matter has particles that are linked together in a lattice?
Solid
List 2 forms of energy
Any of the following: Mechanical Energy, Thermal Energy, Radiant Energy, Electrical Energy, Nuclear Energy, or Chemical Energy
Heat always moves from a ____________ place to a _______________ place.
Heat always moves from a WARMER place to a COOLER place.
What is the difference between forms of energy and sources of energy?
Sources are where energy comes from.
Forms are what kind of energy it is.