Describing Matter
What is a pure substance?
The substance that undergoes this change is still the same substance after the change.
What is a physical change?
The energy stored in food.
What is chemical energy?
Hardness
What is potential energy?
The smallest particle of an element
What is an atom?
The type of change that produces one or more new substances.
What is a chemical change?
When plants convert electromagnetic energy into this chemical energy.
What is sugar?
Texture
What is physical property?
Visible light
What is electromagnetic energy?
Is made of 2 or more substances-elements, compounds, or both-that are together in the same place but are not chemically combined.
What is a mixture?
The properties of new substances form in comparison to the original substances.
What is a different form?
Every chemical and physical change in matter includes.
What is a change in energy?
Color
What is physical?
The energy released from burning wood.
What is thermal energy?
Flammability is an example of.
What is chemical property?
This law states that matter cannot be created or destroyed.
What is the law of conservation of matter?
A measure of the average energy of random motion of particles of matter.
What is temperature?
Sugar dissolving in coffee.
What is physical?
This type of energy always flow from warmer matter to cooler matter.
What is thermal energy?
What is chemical and physical properties?
When the state of matter goes from a solid to a gas.
What is sublimation?
What is an endothermic change?
Tarnishing on precious metals.
What is chemical?
Like matter, it cannot be created or destroyed.
What is energy?