# IPC Final Review

## Quiz by Ms. Kotara

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20 questions
• Q1
A car traveling on a level road initially has 440 kJ of mechanical energy. After the brakes are applied for a few seconds, the car has only 110 kJ of mechanical energy. What best accounts for the missing mechanical energy?
Most of the missing mechanical energy has been converted to gravitational potential energy.
Most of the missing mechanical energy has been converted to heat energy through friction.
Half the missing mechanical energy has been converted to heat energy, and the other half has been destroyed.
Half the missing mechanical energy has been converted to kinetic energy, and the other half has been converted to potential energy
30s
• Q2
Which statement best explains the difference between light waves traveling through a vacuum and light waves traveling through a medium?
Light waves traveling through a vacuum are transverse, but light waves traveling through a medium are longitudinal.
Light waves traveling through a vacuum have a shorter wavelength than light waves traveling through a medium.
Light waves traveling through a vacuum travel faster than light waves traveling through a medium.
Light waves traveling through a vacuum have no mass, but light waves traveling through a medium have a mass greater than zero.
30s
• Q3
An engineer is designing an instrument to examine the interior of a piece of wood without cutting it. The engineer decides to pass electromagnetic radiation through the wood to a detector on the other side. Which type of electromagnetic radiation would be most suitable for this investigation?
Ultraviolet light
Visible light
X-rays
30s
• Q4
Which of the following is not a benefit of nuclear energy?
Fewer plants required to power a country
Zero carbon dioxide emission
More energy produced per gram of reactant
30s
• Q5
Which spring will have the most elastic potential energy?
H
G
F
J
30s
• Q6
Which is true regarding wave A and wave B?
Wave A has higher wavelength; wave B has lower energy
Wave A has higher frequency; wave B has longer wave length
Wave A has lower energy; Wave B has lower wavelength
Wave A has longer wavelength; Wave B has higher frequency
30s
• Q7
Which of the following does not describe an exothermic reaction?
The reaction feels warm to the touch
Energy of the products is higher than the energy of the reactants
Q is a positive number
See the picture
30s
• Q8
Which of these best describes the energy transformation that occurs during the reaction in the picture?
Thermal energy → kinetic energy
Kinetic energy → potential energy
Potential energy → chemical energy
Chemical energy → thermal energy
30s
• Q9
When the equation in the picture is balanced, what is the coefficient for oxygen?
3
4
2
5
30s
• Q10
How does balancing chemical equations related to the conservation of mass?
By balancing equations we are ensuring that the mass of the reactants equals the mass of the products.
By balancing chemical equations we ensure that we have enough reactants for a reaction to work properly.
By balancing equations we ensure that we are conserving the amount of reactants so that we eliminate as much waste as possible.
By balancing equations we are ensuring that the energy going into a reaction is equal to the energy exiting the reaction.
45s
• Q11
The picture represents a nuclear reaction. Which of the following best describes this reaction?
Nuclear fusion is occurring because many smaller nuclei are being fused.
Nuclear fusion is occurring because many energetic neutrons are being emitted.
Nuclear fission is occurring because large amounts of energy are being absorbed.
Nuclear fission is occurring because a nucleus is being split into smaller nuclei.
45s
• Q12
A sample of a compound is added to distilled water in a clean beaker. A reaction occurs, and the water temperature drops rapidly. Which of the following statements is best supported by this observation?
An endothermic reaction occurred.
A dehydration reaction occurred.
The beaker was contaminated by another compound.
The water was originally warmer than the compound.
45s
• Q13
What is the mass number of the missing particle in the reaction in the picture? Use the second picture to pick your answer.
31/15 P
24/11 Ga
24/11 Cr
24/11 Na
45s
• Q14
A form of technetium-99 has a half-life of approximately 6 hours. Would this reaction be considered fission or fusion?
Fusion: Two molecules combine to form one large molecule
Fusion: One molecule becomes multiple molecules
Fission: Two molecules combine to form one large molecule
Fission: One molecule becomes multiple molecules
45s
• Q15
Identify points A and B on the wave in the picture.
A=Crest; B=Trough
A=Crest; B=Amplitude
A=Wavelength; B=Trough
A=Wavelength; B=Amplitude
45s

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