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Unit 2: Chemical Reaction 2
Test Description: Practice Exam for Test on Friday
Instructions: Answer all questions to get your test result.
1) A reaction that absorbs energy
A
Atoms
B
Endothermic Reaction
C
Chemical Potential
D
Exothermic Reaction
2) Energy that is stored in chemical bonds
A
Atoms
B
Chemical Potential
C
Thermal Energy
D
Physical Change
3) The starting Materials in a chemical reaction
A
products
B
reactants
C
Temperature
D
Heat
4) Any physical object that has mass and takes up space
A
Volume
B
Gravitational Potential
C
Matter
D
Products
5) The energy of an object that is responsible for being able to measure temperature
A
Kinetic Energy
B
Mass
C
Volume
D
Thermal Energy
6) Energy Transferred between objects of different temperatures
A
Volume
B
Heat
C
Gravitational Potential
D
Elastic Potential
7) A reaction that releases energy
A
Endothermic
B
Thermal
C
Exothermic
D
Potential
8) A change in which the reactants and products are different
A
Mass
B
Chemical Reaction
C
Physical Reaction
D
Products
9) A measurement that is related to the energy of an object, but is not energy itself.
A
Graduated Cylinder
B
Temperature
C
Volume
D
Reactants
10) A change in which the reactants and products are still the same.
A
Atoms
B
Elastic Potential
C
Physical Reaction
D
Chemical Reactions
11) The smallest part of an element that is still the element
A
Heat
B
Matter
C
Atoms
12) The substance created during a chemical reaction
A
Products
B
Gas
C
Reactants
D
Volume
13) Which of the following is a chemical reaction?
A
Putting food dye in water
B
Mixing salt into water.
C
Wood burning
D
Cutting paper in half
14) Which of the following best explains why scientists would use tools rather than their senses?
A
Use of our senses always results in injury
B
Our senses are never to be trusted
C
Tools allow for accurate measurement
15) Which tool is best for measuring a volume of a liquid?
A
thermometer
B
Ruler
C
graduated cylinder
D
Digital Scale
16) Which of the following is a physical change?
A
Baking a cake
B
Digestion of food
C
Metal rusting
D
water evaporating
17) Which of the following is a phase change?
A
milk spoiling
B
tearing a paper towel
C
Metal rusting
D
melting ice
18) Which of the following is not a type of energy?
A
Temperature
B
Heat
C
Chemical potential
D
Gravitational potential
19) Which of the following describes when energy flow stops?
A
Energy flows until both objects melts
B
Energy flows until both objects used up their thermal energy
C
Energy flows until the objects both become gases.
D
Energy flows until the objects are the same temperature
20) Which of the following describes how energy is transferred?
A
Cold flows from lower thermal energy to higher thermal energy.
B
Cold flows from lower temperature to higher temperature.
C
Energy flows from higher temperature to lower temperature
D
Energy flows from higher thermal energy to lower thermal energy.
*select an answer for all questions
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