A type of reaction where a NEW substance is formed. The new substance has different properties from those of the reactants.
What is chemical reaction?
What is bolt?
What is solid?
What is the density of water?
What is 1g/ml.
Sinking to the bottom of a density tower means what?
that it is most dense
changes in matter are which reaction: physical or chemical
What is physical?
increase in temperature during a chemical reaction is called?
What is exothermic?
a mixture in which the composition is not uniform throughout the mixture
What is heterogenous mixture?
Decrease in temperature in a chemical reaction is called?
The increase of thermal energy increases this.
What is Kinetic Energy?
made of a single type of molecule or atom.
What is pure substance?
The quarter in my pocket sinks in a cup of water. The relationship of the quarter's density to water's density is this.
What is more dense than water?
Precipitate, energy change, unexpected color change, and bubbling are all characteristics of this
what is chemical change?