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SCI FUN T.JOHN M3 FINAL COVERAGE
Test Description: Final Coverage
Instructions: Answer all questions to get your test result.
1) When a force acts to move an object, we say that _______ was done
A
Force
B
Constant
C
Nothing
D
Work
2) We say Work is a scalar or has a vector quantity. What does it mean?
A
Has force
B
Has time
C
Has whatever
D
Has direction
3) A type of energy that is stored and waiting to be used later.
A
Electrostatic Energy
B
Work Energy
C
Kinetic Energy
D
Potential Energy
4) A type of energy where in the energy of an object is relative to its motion.
A
Kinetic Energy
B
Potential Energy
C
Electrostatic Energy
D
Work Energy
5) Energy CANNOT be created NOR destroyed.
A
True
B
Not Really
C
It depends
D
False
6) We say energy can only be transformed. An example of chemical to motion is:
A
Khao Pad Kai - riding a bike
B
Computer - light and sound
C
Electric Oven - baking cake
7) Another example of energy transformation is electric - thermal is.
A
Computer - light and sound
B
Electric Oven - baking cake
C
Khao Pad Kai - riding a bike
8) As the speed goes UP the Kinetic Energy goes__________.
A
Down
B
Up
C
Constant (never change)
9) If the Kinetic Energy goes UP, Potential Energy goes__________.
A
Constant (never change)
B
Up
C
Down
10) Potential Energy and Kinetic Energy may vary, but Total Energy remains____________.
A
Up
B
Down
C
Constant (never change)
11) Calculate the WORK done, If a man pushes a concrete block 10 meters with a force of 20 N.
A
200 Newton
B
200 Joules
C
20 Joules
12) How much POWER will it take to move a 100 N mass at a distance of 30 meters in 3 seconds?
A
100 Joules
B
1000 Watts
C
10 Newton
13) Calculate the POTENTIAL ENERGY of an ice buildup on a mountain with a mass of 3000 kg at a height of 10 meters.
A
300 Watts
B
30,000 Joules
C
294,000 Joules
14) Calculate the ELECTRIC CURRENT if a total charge of 300 Coloumbs was felt in the swimming pool for 1.5 minutes.
A
33.3 Volts
B
3.33 Ampere
C
4,500 Joules
15) if you present your science project next week, you don't have to answer questions about electricity on your finals
A
False
B
True
*select an answer for all questions
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