Matter
Name one example of a physical and chemical change
answers may very
what is a example of a structure with internal forces
buildings and bridges
Name a state of matter
solid, liquid, gas,
what is an internal force
Internal forces are forces that act within the structures to keep it strong and sturdy.
Name an example of absorbing heat and releasing heat
Absorbing heat,
liquid to gas, solid to liquid, solid to gas.
Releasing heat,
liquid to solid, gas to liquid, gas to solid
what are properties in matter
properties are used to describe matter. Properties can be measured through observation [things we touch, see, hear, smell, or taste] or by measurement. Properties can be categorized as a physical property or a chemical property.
difference between chemical and physical
A physical change is a reversible change in the in the physical properties of a substance. while a chemical change is any change in the that results in the formation of a new substance. and is irreversible