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Q 1/119
Score 0
to pull towards, move towards
30
attract
Q 2/119
Score 0
energy stored in particles of matter (ex. batteries, sugar, food *plants in photosynthesis)
30
chemical energy
119 questions
Q.
to pull towards, move towards
1
30 sec
Q.
energy stored in particles of matter (ex. batteries, sugar, food *plants in photosynthesis)
2
30 sec
Q.
Two or more simple machines working together (ex. scissors, bike, stapler, wheel barrow, can opener, crane).
3
30 sec
Q.
heat transfer (objects heating up) by Direct Contact/2 objects touching
4
30 sec
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5
30 sec
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material that allows electrical current to flow through an electric circuit (ex. Most metals are conductors of electrical current, but Copper wire is the most excellent conductor).
6
30 sec
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heat transfer by the movement of particles in a fluid, liquid or gas, heat moves up (V); the transfer of heat throughout a liquid or gas by currents; gases and liquids heat up by:
7
30 sec
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8
30 sec
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a circular movement of air caused by the cycle of warm air raising and cool air sinking
9
30 sec
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the force that is applied to do work
10
30 sec
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â˘An electromagnet is formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic field.
11
30 sec
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12
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13
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a path for the flow of electrical energy
14
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energy in the form of a flow of charged particles
15
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a machine that turns electrical energy into mechanical energy;
16
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17
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18
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19
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20
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21
30 sec
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1. Wire
22
30 sec
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23
30 sec
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24
30 sec
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25
30 sec
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an electric circuit with one path for an electric current.
26
30 sec
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energy flowing in an electric circuit, the moving of electric charges (ex. sources of electrical energy: a battery and a generator)
27
30 sec
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Oh my word, electric motor haven't ya heard?
28
30 sec
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29
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30
30 sec
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31
30 sec
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32
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33
30 sec
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property that enables something to do work, â˘The ability to do work. If there is no energy, then there is no work done.
34
30 sec
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The process of changing energy form one form to another. (the --> means transforms into). Example #1: when you eat food, rest and then go running it is an energy transformation=[chemical --> mechanical potential -->kinetic energy]
35
30 sec
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36
30 sec
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37
30 sec
Q.
a push or a pull
38
30 sec
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a fixed point around which a lever rotates
39
30 sec
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rotating machine part having teeth or cogs that move one another to accomplish a task
40
30 sec
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Generators generate elec-tri-city! For who, who, who? For ME, ME, ME!
41
30 sec
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42
30 sec
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43
30 sec
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machine that converts mechanical energy into electrical energy;
44
30 sec
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45
30 sec
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46
30 sec
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47
30 sec
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48
30 sec
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transfer of thermal energy from a warm object to a cooler object
49
30 sec
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50
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51
30 sec
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52
30 sec
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53
30 sec
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54
30 sec
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a flat, sloping surface
55
30 sec
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any material that DOES NOT allow electrical current to flow through an electric circuit (plastic, glass, paper, cardboard)
56
30 sec
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energy of motion, something is moving in all forms of energy for instance thermal, electrical, light & sound (ex. a rock falling from the top of a hill, water going over a dam, releasing a stretched rubber band *verbs show motion)
57
30 sec
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the scientific law stating that energy cannot be created or destroyed; it just changes forms
58
30 sec
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a rigid bar that is free to move around a fulcrum, a fixed point; rigid bar that rest on top of a fulcrum or a pivot point
59
30 sec
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60
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61
30 sec
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62
30 sec
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63
30 sec
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can be produced in an electric circuit if a light bulb is added to the circuit
64
30 sec
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the field around a magnet that exerts the magnetic force
65
30 sec
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the force of attraction or repulsion of magnetic materials
66
30 sec
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the amount of matter in an object (NOT weight) measured in grams with a triple beam balance
67
30 sec
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energy due to the motion and position of an object (potential and kinetic) all energy that is in a moving object (ex: moving car, rolling bicycle, flying airplane, and blowing wind)
68
30 sec
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changes electrical energy to machanical energy
69
30 sec
Q.
Unit used to measure the strength of force using a tool called a spring scale.
70
30 sec
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the energy of an object because of its position or composition (stored energy) stored energy or energy of position, this energy has "potential" to move (ex. rock at the top of a hill, water behind a dam, a stretched rubber band)
71
30 sec
Q.
Used to measure meters (m), centimeters (cm) or millimeters (mm) of a distance.
72
30 sec
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has a grooved wheel with a rope running along the groove (can either be a fixed or movable pulley); groved wheel and a cable/rope that passes over it
73
30 sec
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only changes the direction of the load, but does not decrease force (example a flagpole or a clothesline)
74
30 sec
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does decrease the effort force
75
30 sec
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Splitting Uranium atoms in a process called fission involving a nucleus of an atom (ex. the atomic bomb)
76
30 sec
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an electric circuit with multiple paths for an electric current.
77
30 sec
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heat transfer through space without particles of matter colliding or moving to transfer the energy; the transfer of heat energy through empty space or air
78
30 sec
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to push away
79
30 sec
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any device that converts electrical energy into other forms of energy (Ex. light bulb)
80
30 sec
Q.
inclined planes wrapped around around a cylinder
81
30 sec
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a device that helps reduce the amount of force required to do work; simple machines reduce force, not work.
82
30 sec
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A simple machine of course, of course, always reduces the force of course. A simple machine of course, of course, always reduces force!
83
30 sec
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a device that changes solar energy into electrical energy
84
30 sec
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the energy from the SUN, which provides heat and light (the SUN is responsible for all heat on earth)
85
30 sec
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can be produced in an electric circuit if a bell, buzzer, radio, or TV is added to the circuit
86
30 sec
Q.
device used to open and close an electric circuit
87
30 sec
Q.
Tool used to measure weight or force in Newtons (N).
88
30 sec
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the energy of moving particles (also known as heat energy)
89
30 sec
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Tool used to measure mass in grams.
90
30 sec
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consists of one to two back to back inclined planes that can move; examples are knife blades or nails
91
30 sec
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the force of gravity's pull on an object
92
30 sec
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consists of two circular objects: a central shaft inserted through the middle of a wheel
93
30 sec
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to apply a force to an object and the object moves a distance because of the applied force
94
30 sec
Q.
W=F x d (Work (J) or Nm = Force (N) x distance (m)
95
30 sec
Q.
Unit of energy used to measure work. It is equal to one Newton-meter (1 Nm)
96
30 sec
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a source of electrical energy in an electric circuit. The voltage for any electric circuit can come from many different sources. Some common examples are: batteries, power plants, fuel cells.
97
30 sec
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98
30 sec
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99
30 sec
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1. Heat
100
30 sec
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101
30 sec
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102
30 sec
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103
30 sec
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104
30 sec
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Goal: improve life
105
30 sec
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106
30 sec
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107
30 sec
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108
30 sec
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109
30 sec
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110
30 sec
Q.
Mass means matter and that's a fact with the triple beam balance add front to back, add 1, add 2, add the 3rd beam . . . ya that's right you get the scene! Keep it up and you use your hand and don't forget to label grams!
111
30 sec
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112
30 sec
Q.
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113
30 sec
Q.
A measure of how much help a machine gives you.
114
30 sec
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115
30 sec
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A measure of how well a machine converts input energy, work, and power into output energy, work, and power. It is never idea because it cannot overcome all of the friction in the machine.
116
30 sec
Q.
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117
30 sec
Q.
A force that results from an item rubbing against another item.
118
30 sec
Q.
The greater the height, the more of this an object has.
