Mass
___ cannot be created or destroyed
What is matter
What happens to the atoms of any substance when heat is added
What is move faster
The periodic table has the element of O, what does it stand for
What is Oxygen
Boiling point
what is Liquid--> gas
Matter can change phases permanently or ___
What is temporary
The ancient Greeks made a theory that matter was made of four basic elements. What are they
What is Fire, water, air, Earth
When a liquid is heated to a high enough temperature, it will turn into
What is a gas
How many elements are there
What is 118
Freezing point
What is Liquid--> solid
The ability to be poisonous
What is toxicity
Formula for Density
Density=mass/volume
As temperature increases, the ___ of motion increases
What is energy
On the periodic table, FE stands for what element
What is iron
Melting point
What is Solid-->liquid
The elements are changed in which type of change
What is a chemical change
Anything that takes up space and has mass
What is matter
most substances ___ when heat is added.
What is expand
On the periodic table, S stands for what element
What is sulfur
The temperature for a substance to freeze
32 degrees F, 0 degrees C
The ability to react with oxygen
What is oxidation
The amount of matter in an object
What is mass
What changes a phase of matter
What is Thermal energy (heat)
On the periodic table what letter stands for Potassium
What is K
The temperature for a liquid to turn into a gas
212 degrees F, 100 degrees C
Permanent changes are called ___ changes
What is chemical