Describing Matter
Characteristic of a pure substance that can be observed without changing it into another substance.
What is a physical property?
Mass divided by volume.
Wat is density?
The ability to do work or cause change.
What is energy?
Energy an object has due to its motion.
What is kinetic energy?
Length x width x height =
What is formula to calculate volume?
A solution is an example of this type of mixture.
What is a homogenous fixture?
The measure of the force of gravity on an object.
What is weight?
A change in which energy is taken in.
What is endothermic change?
A metal strip that conducts electricity.
What is an electrode?
New substances are always formed when matter undergoes this type of change.
What is a chemical change?
The basic particle from which all elements are made.
What is an atom?
The amount of space that matter occupies.
What is volume?
The physical process that transforms a solid directly to a gas.
What is sublimation?
Radio waves, infrared "rays", microwaves, ultraviolet rays, and X-rays are examples of this type of energy.
What is electromagnetic energy?
Groups of two or more atoms held together by chemical bonds.
What are molecules?
A force of attraction between 2 atoms.
What is chemical bond?
The measurement of the amount of matter in an object.
What is mass?
The temperature at which liquid matter experiences the same pressure as the atmospheric pressure.
What is boiling point?
A rubber band or elastic has this type of energy.
What is potential energy?
The study of the properties of matter and how matter changes.
What is chemistry?
Shows the elements in a compound and it's ratio of atoms.
What is a chemical formula?
This system is abbreviated as "SI".
What is the International System of Units?
When water vapor in the air changes directly into ice, like frost.
What is deposition?
Electrolysis involves this type of energy.
What is electrical energy?
Digesting your lunch is an example of this type of change in matter.
What is a chemical change?