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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
Work
B
Constant
C
Nothing
D
Force
2) We say Work is a scalar or has a vector quantity. What does it mean?
A
Has time
B
Has direction
C
Has force
D
Has whatever
3) A type of energy that is stored and waiting to be used later.
A
Work Energy
B
Potential Energy
C
Kinetic Energy
D
Electrostatic Energy
4) A type of energy where in the energy of an object is relative to its motion.
A
Electrostatic Energy
B
Potential Energy
C
Work Energy
D
Kinetic Energy
5) Energy CANNOT be created NOR destroyed.
A
It depends
B
Not Really
C
False
D
True
6) We say energy can only be transformed. An example of chemical to motion is:
A
Computer - light and sound
B
Khao Pad Kai - riding a bike
C
Electric Oven - baking cake
7) Another example of energy transformation is electric - thermal is.
A
Electric Oven - baking cake
B
Computer - light and sound
C
Khao Pad Kai - riding a bike
8) As the speed goes UP the Kinetic Energy goes__________.
A
Constant (never change)
B
Up
C
Down
9) If the Kinetic Energy goes UP, Potential Energy goes__________.
A
Constant (never change)
B
Down
C
Up
10) Potential Energy and Kinetic Energy may vary, but Total Energy remains____________.
A
Down
B
Constant (never change)
C
Up
11) Calculate the WORK done, If a man pushes a concrete block 10 meters with a force of 20 N.
A
20 Joules
B
200 Newton
C
200 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
10 Newton
C
1000 Watts
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
30,000 Joules
B
300 Watts
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
4,500 Joules
B
3.33 Ampere
C
33.3 Volts
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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