Reversible change, only changes the size, shape, state of matter
Physical change
Particles of 1 or more substances are changed
Chemical change
Examples of physical change
Freezing, melting, boiling, cutting, grinding, bending, blending, dissolving
Examples of chemical change
Burning, reacts with acid, reacts with base, rusting, oxidizing, decomposing, digesting
Ability to cause motions or create change
Energy
What is electrical energy?
Energy cause d by the movement of electrically charged particles
What is sound energy?
Energy of vibrations carried by solid, liquid or gas
What is light energy?
Energy that travels as waves and can move through empty space
What is thermal energy?
Energy due to randomly moving particles that make up matter. Known as heat.
What is kinetic energy?
Energy in motion
What is potential energy?
Energy stored in an object
Is it physical or chemical change? Breaking a window
Physical
Is it physical or chemical change? Burning wood
Chemical
Is it physical or chemical change? Bad smelling garbage
Chemical
Is it physical or chemical change? Grinding coffee
Physical
Which are four blood components?
Plasma, red blood cells, white blood cells, platelets
