Vocabulary Term
Referencing data that supports or refutes a claim.
What is Evidence?
What does CER stand for?
What is claim, evidence and reasoning?
How many molecules are in 3H20?
What is three molecules?
If the density of the said gas has a higher density than the air around us, ultimately the gas will do what?
What is sink?
Mass/Volume = ?
What is density?
A substance made up of various types of particles that occupies physical space and has inertia (energy).
What is Matter?
You always start your CER off by stating this.
What is a claim?
In a balanced equation, what has to be equal to the number of reactants?
What is the number of products?
If the density of the said gas is less dense than the air around us, the gas will ultimately do what?
What is float?
g/L stands for?
What is grams per liter?
Two or more atoms of an element combined, or one particle of a compound.
What is a Molecule?
What is evidence?
In the molecule 4Na2Cl, how many sodium atoms are there and how many chlorine atoms are there?
What is 8 sodium atoms and 4 chlorine atoms?
The amount of matter in a system is the definition of what word?
What is mass?
The small coefficient in a molecular formula stands for what?
What is the number of atoms?
Any substance that undergoes a chemical change in a given reaction.
What is a Reactant?
Scientific ideas that you have learned about through the investigation are known as?
What are key model ideas?
Yes or no: is this a balanced equation?
H2SO4 --> CaN2O6 + H2O
No
What does it mean when it says, "closed-system?"
The lid stays on the system.
If a flame goes out under a gas, what does that tell us about the gas?
The gas is more dense than air.
The chemical substances which are formed due to a chemical reaction between two or more chemical substances.
What is a Product?
How many pieces of evidence and reasoning usually provides enough information for the teacher?
How many total atoms do I have in this molecular formula: 4Ca2Co3 + 5H2O2
What is 44 atoms?
In an open-system investigation, the mass of the matter decreased by 10 grams. What does that tell us about the gas in the investigation?
The mass escaped from the system, which means the gas had to be lighter than air.
Based off of our "Some Common Gasses" sheet, what are some of the flammable gasses?
What are oxygen, methane, hydrogen, and propane?