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WorksheetsFall Semester Final Exam
Total questions: 28
Worksheet time: 14mins
What does a solid look like on the macro scale?
Rigid and keeps its shape
Flows and takes shape of container
Fills container and has no shape
None of the Above
What does a liquid look like on the macro scale?
Rigid and keeps its shape
Flows and takes shape of container
Fills container and has no visible shape
What does a gas look like on the macro scale?
Rigid and Keeps its shape
Flows and takes shape of container
Fills container and has no visible shape
What diagram shows the molecules of a solid?
What diagram shows the molecules of a gas?
What diagram shows the molecules of a liquid?
List of states of matter is in the correct order, from the phase with the slowest molecular movement to the phase with the fastest molecular movement.
Solid, Gas, Liquid
Gas, Liquid, Solid
Solid, Liquid, Gas
Liquid, Solid, Gas
What happens the molecules in a solid if thermal energy is added?
It will be a gas
The molecules decrease in speed
The molecules speed does not change
The molecules increase in speed
Define evaporation
Gas to Liquid
Solid to Gas
Liquid to Gas
Liquid to Solid
Define Condensation
Liquid to Gas
Gas to Liquid
Solid to Liquid
Liquid to Solid
Define Melting
Liquid to Gas
Gas to Liquid
Solid to Liquid
Liquid to Solid
Define Freezing
Liquid to Gas
Gas to Liquid
Solid to Liquid
Liquid to Solid
What are the 3 particles of an atom
Proton, Electron, Nucleus
Electron, Protractor, Neutrons
Protons, Neutrons, Electrons
None of the Above
How many atoms does it take to make up a molecule?
1
2 or more
At least 5
More than 100
How many of each element are in this Molecule of baking soda?
NaHCO3
N= 1, a=1, H=1, C=1, O=3
Na=3, H=3, C=3, O=3
Na= 1, H=1, C=1, O=3
NaHCO= 7
How many atoms are in this molecule of sugar?
C6H12O6
3
24
12
6
Write the following molecules IN ORDER from the smallest molecule to largest molecule:
H20 CH4 C3H8O C8H10N4O
CH4, H20, C3H8O, C8H10N4O
H20, CH4, C3H8O, C8H10N4O
C8H10N4O, C3H8O, H20, CH4
C8H10N4O, C3H8O, CH4, H20
Which one is not a sign of a chemical reaction
Color Change
Mixing 2 Substances
Temperature Change
Gas Produced
What is the law of conservation of mass?
Matter can be created and destroyed
The total mass of the reactants is not equal to the total mass of the products
Matter can be created but not destroyed
The total mass of the reactants is equal to the total mass of the products
Which diagram illustrates the Law of Conservation of Matter?
What is an endothermic reaction?
Energy is stored
Energy is Absorbed
Energy is Released
What is an exothermic reaction?
Energy is stored
Energy is released
Energy is absorbed
What is an example of an exothermic reaction?
Hand Warmer
Ice Pack
A sample known to be one of the four listed in the table was heated to a temperature of 325 °C but remained a solid. The sample was found to have a density of 7 g/cm3 and to be a good conductor of electricity. Burning the sample produced a gold flame. Based on this information, what is the identity of this metal?
Use the data table below or on your study guide
Zinc
Lead
Tin
Iron
A match burning is an example of....
Physical Change
Chemical Change
Water condensing on the outside of a cold drink is an example of...
Physical Change
Chemical Change
Alka-Seltzer mixed with water producing carbon dioxide is an example of...
Physical Change
Chemical Change
Hydrogen and Oxygen combine to form water is an example of...
Physical Change
Chemical Change
