Particle Motion
The particles in which of these substances
have the lowest amount of kinetic energy?
solid, like a cube of ice
describe a property of all elements
elements are all pure substances
Give two examples of chemical change...
What is gas production and color change
all matter is made of tiny particles that are in constant motion
particle theory of motion
physical states of water, H2O, in order according to the increasing energy of particle motion?
H2O (s), H2O (l), H2O (g)
Salt and sugar are...
pure substances
describe one chemical reaction occurring in the home
Cake rising from the addition of baking soda
Rust forming over an iron nail
Burning of a matchstick