The building blocks of all matter
What are atoms?
The letter or two letters that represent an element
What is a chemical symbol?
A substance where the atoms are packed very close together and can barely move.
What is a solid?
The SI unit for mass
What are grams?
The 3 subatomic particles of an atom
What are neutrons, protons, and electrons?
Substances made of only one type of atom
What are elements?
In a chemical formula the arrow between the reactants and the products
What is the "yields" or "produces"?
What is a physical change?
The measure of the amount of matter in a given volume
What is density?
The SI unit for measuring volume
What is mL?
Substance made of two or more atoms chemically bonded
What are molecules?
The 2 in H2O that tell you how many atoms
What is the subscript?
Color change is evidence of a type of change in matter
What is a chemical change?
The method of measuring the volume of an irregularly shaped object
What is water displacement?
The first step in the scientific process
What is making an observation?
A molecule made of more than one type of element chemically bonded
What are compounds?
The 4 in 4H2O that tell you how many molecules
What is the coefficient?
CH4 + 2O2 --> CO2 + 2H2O is an type of change in matter.
What is a chemical change?
The formula for solving for density
What is density = mass/volume?
The weights on a triple beam balance
What are riders?
The amount of matter in an object of substance
What is the mass?
The number of atoms in 3CH4
What is 15 atoms?
When a physical or chemical change in matter occurs the mass of the substance is neither created or destroyed
What is the Law of Conservation of Mass?
The length of a rectangular prism is 4cm, the width is 2cm, and the height is 1 cm
What is a volume of 8cm3?
The point on a graduated cylinder where the measurement is read
What is the meniscus?