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Q 1/71
Score 0
Property that enables something to do work
30
Energy
Q 2/71
Score 0
Happens when a force is used to move an object
30
Work
71 questions
Q.
Property that enables something to do work
1
30 sec
Q.
Happens when a force is used to move an object
2
30 sec
Q.
1) Force must be applied
3
30 sec
Q.
See image
4
30 sec
Q.
Device that reduces the effort force needed to do work
5
30 sec
Q.
The force that moves an object over a distance
6
30 sec
Q.
A board or bar that moves around a fulcrum
7
30 sec
Q.
Fixed point in a lever
8
30 sec
Q.
A grooved wheel with a rope running along the groove
9
30 sec
Q.
Pulley attached at a fixed point
10
30 sec
Q.
Pulley that moves along the rope
11
30 sec
Q.
Sloping surface that reduces the amount of force needed to do work
12
30 sec
Q.
To reduce the effort force needed with a ramp, the length of the ramp should be ____.
13
30 sec
Q.
The transfer to energy as heat occurs between particles as they collide within a substance between two objects in contact....objects HAVE to touch
14
30 sec
Q.
The transfer of energy as heat by movement of the heated substance itself; heat transfer occurs when particles with high energy move from warmer to cooler areas
15
30 sec
Q.
The transfer to energy through space without particles of matter colliding or moving to transfer the energy
16
30 sec
Q.
Convection currents because of uneven heating in the atmosphere
17
30 sec
Q.
Materials that easily carry heat or electricity...metal, glass
18
30 sec
Q.
Materials that do not carry heat or electricity easily...wood, fat
19
30 sec
Q.
Must contain 3 things: source of electrical energy, conductor, transformer
20
30 sec
Q.
battery, solar cell, generator
21
30 sec
Q.
this conductor connects all parts of the electrical circuit
22
30 sec
Q.
This changes the electrical energy into something else...like a buzzer changes the electricity into sound
23
30 sec
Q.
The only type of circuit electricity can travel through. Connects the power source to transformer and back to the power source
24
30 sec
Q.
A broken circuit in which electricity is closed or open
25
30 sec
Q.
This can control whether a circuit is closed or open
26
30 sec
Q.
Energy can be transformed in an electrical circuit into 4 examples: light, sound, heat, and mechanical motion
27
30 sec
Q.
If a light bulb is included in a circuit electricity can be transformed into light and heat
28
30 sec
Q.
If a bell, radio or TV is included in a circuit electricity can be transformed into sound
29
30 sec
Q.
This can be made when a wire in an electric circuit is wrapped around an iron core making a magnetic field
30
30 sec
Q.
This changes mechanical energy into electrical energy
31
30 sec
Q.
This changes electrical energy into mechanical energy
32
30 sec
Q.
Force of attraction or repulsion of magnetic materials
33
30 sec
Q.
Surrounds a magnet that applies a force without actually touching an object
34
30 sec
Q.
A coil of wire spinning around a magnet can form this
35
30 sec
Q.
An electric current flowing through a wire around an iron core produces this
36
30 sec
Q.
Huge wheels in a generator pushed by water, wind or steam
37
30 sec
Q.
If an oven, toaster, or stove is included in a circuit electricity can be transformed into heat
38
30 sec
Q.
If a machine or motor is included in a circuit, electricity can be transformed into motion
39
30 sec
Q.
Like poles in a magnet do this
40
30 sec
Q.
Unlike poles of a magnet do this
41
30 sec
Q.
The transfer of thermal energy
42
30 sec
Q.
Energy associated with the motion of the particles of a substance
43
30 sec
Q.
The energy from the Sun, which provides heat and light energy for Earth
44
30 sec
Q.
The stored energy of particles in matter that can be released when the particles react to form new substances
45
30 sec
Q.
The energy flowing in an electrical circuit
46
30 sec
Q.
The energy due to the motion and position of an object
47
30 sec
Q.
Stored energy
48
30 sec
Q.
The energy of an object has due to its motion
49
30 sec
Q.
Electrical energy transformed in an electrical circuit if a light bulb is added to the circuit
50
30 sec
Q.
Electrical energy can be transformed in an electric circuit if a bell is added to the circuit
51
30 sec
Q.
A rubber band is stretched is an example of this type of energy transformation
52
30 sec
Q.
The stretched rubber band is released is an example of this type of energy transformation
53
30 sec
Q.
A book is lifted and put on a shelf is an example of this type of energy transformation
54
30 sec
Q.
A book falling from a shelf is an example of this type of energy transformation
55
30 sec
Q.
If the potential energy is greater, then the kinetic energy will be __________
56
30 sec
Q.
No energy is lost in a transformation but some is always transferred into _______ and _________
57
30 sec
Q.
An explanation or interpretation of an observation based on prior experiences or supported by observations made in the investigation. They aren't final explanations & there may be several logical inferences.
58
30 sec
Q.
Used to organize data collected during an experiment. If should be planned out prior to the experiment. Columns and rows should have labels.
59
30 sec
Q.
The first thing students should identify in an controlled scientific investigation, in the form of "Does ______ affect _____?"
60
30 sec
Q.
The variable that you are comparing your results to
61
30 sec
Q.
Heat always moves from ___ to ___ objects
62
30 sec
Q.
When atoms heat up they move
63
30 sec
Q.
When atoms cool down they move
64
30 sec
Q.
Energy transferred through electromagnetic radiation like light, UV rays or X rays
65
30 sec
Q.
These waves can move energy through empty space and comes from the Sun, stars, microwaves, and light bulbs
66
30 sec
Q.
A book on a shelf has this type of mechanical energy. If the book is lifted higher, it has more GPE
67
30 sec
Q.
A stretched rubber band has this type of mechanical energy. If the rubber band is stretched further, it has more EPE
68
30 sec
Q.
States that energy cannot be created or destroyed, only transferred
69
30 sec
Q.
Dependent variable is also called the responding variable, graphed on the Y axis
70
30 sec
Q.
Manipulated variable is also called the independent variable, graphed on the X axis