Fake Snow Lab
This tool is used to measure liquids such as water accurately.
What is a graduated cylinder?
The name of the white powder used for this reaction.
Baking soda
Color that the letters turned after they became visible
Pink
First element in the periodic table
Hydrogen
What three particles make up an atom?
Neutrons, protons and electrons
When vinegar was poured onto the fake snow, this gas was produced, causing bubbling.
What is carbon dioxide?
Food colouring was one of the reactants. True or False?
No, it was just there for aesthetic purposes and did not participate in the formation of the foam.
What type of a reaction is this.
Neutralization
7
What atomic model did J.J Thompson create?
Plum pudding model
This substance reacts with vinegar to create bubbles.
What is baking soda?
The name of the gas produced.
Carbon dioxide
Name of the indicator that turned invisible
Phenophthalein
Bond that forms when two atoms share electrons
Covalent bond.
Who is credited for the atomic solar system model?
Niels Bohr
The independent variable in this experiment was the presence or absence of this substance.
What is soap?
The limiting reactant of this reaction.
Baking soda
This is the name of the paper that the message was written on.
Filter paper
Total mass of reactants = total mass of products
Law of conservation of mass
James Chadwick
When vinegar was poured onto the dough, bubbles formed because carbon dioxide gas was produced during this type of chemical reaction.
What is an acid-base reaction?
Type of reaction that occured (2 names)
Neutralization, double displacement reactions.
The secret word that was uncovered
A given chemical compound always contains the same elements in an identical, fixed ratio by mass, regardless of its source, method of preparation, or sample size
Law of definite proportions
What particles were used in Rutherford's experiment?
Alpha particles