Terms : Hide Images
| 16303928547 | Force | a push or pull applied to an object | 0 | |
| 16303928549 | Science | Process that uses observation and investigation to gain knowledge about events in nature |  | 1 |
| 16303928550 | Net Force | when two or more forces act on an object at the same time | 2 | |
| 16303928551 | Scientific Method | an organized set of investigation procedures used by scientists |  | 3 |
| 16303928552 | Control | standard for comparison | 4 | |
| 16303928554 | Hypothesis | A testable prediction |  | 5 |
| 16303928556 | Static Friction | friction in which two surfaces are not moving past each other | 6 | |
| 16303928557 | experiment | organized procedure for testing a hypothesis |  | 7 |
| 16303928559 | sliding friction | friction where two surfaces slide past one another | 8 | |
| 16303928560 | control | standard for comparison | 9 | |
| 16303928561 | constant | factor that doesn't vary in experiment | 10 | |
| 16303928562 | independant variable | factor that is adjusted by the experimenter | 11 | |
| 16303928563 | rolling friction | friction between a rolling object and the surface it rolls on | 12 | |
| 16303928564 | independent variable | variable that we change | 13 | |
| 16303928565 | fluid friction | The friction when an object moves through a fluid meaning fluid or gas | 14 | |
| 16303928566 | dependent variable | dependent on the independent variable | 15 | |
| 16303928567 | air resistant | a friction-like force that opposes motion of object that move through air depend on speed, size and shape | 16 | |
| 16303928568 | scientific law | pule of nature that sums up related observations to describe a pattern in nature | 17 | |
| 16303928569 | velocity | includes the speed of an object and the direction of its motion | 18 | |
| 16303928570 | scientific theory | explanation based on experiments, the most logical explanations | 19 | |
| 16303928571 | acceleration | rate of change of velocity | 20 | |
| 16303928572 | graph | a visual display of information or data | 21 | |
| 16303928573 | line graph | shows trends or how the data changes over time | 22 | |
| 16303928574 | bar graph | useful for comparing information collected by counting | 23 | |
| 16303928575 | Motion | occurs when an object changes position relative to a reference point | 24 | |
| 16303928576 | distance | how far an object has traveled | 25 | |
| 16303928577 | Displacement | distance an direction of an object's change in position relative to the starting point | 26 | |
| 16303928578 | speed | The distance an object travels per unit of time | 27 | |
| 16303928579 | Energy | the ability to do work | 28 | |
| 16303928581 | electric charges | are from protons which are positive and electrons which are negative | 29 | |
| 16303928582 | Electric charges | Made from protons and protons attracting each other | 30 | |
| 16303928583 | law of reflection | the angle of incidence of a wave is always equal to the angle of reflection | 31 | |
| 16303928584 | Power | The rate at which work is done | 32 | |
| 16303928585 | wave | A repeating movement or disturbance that transfers energy through matter or space | 33 | |
| 16303928586 | electricity | Comes from protons and electrons | 34 | |
| 16303928589 | Law of Conservation of charge | electric charges can be transferred from object to object, but it cannot be created or destroyed | 35 | |
| 16303928590 | static electricity | the accumulation of excess electric charge on an object | 36 | |
| 16303928592 | Reflection | occurs when a wave strikes an object or surface and bounces off it | 37 | |
| 16303928593 | medium | matter through which a wave travels | 38 | |
| 16303928594 | Energy | the ability to do work | 39 | |
| 16303928595 | potential energy | Energy that is stored | 40 | |
| 16303928596 | Work formula | force x distance | 41 | |
| 16303928597 | Mechanical waves | waves that require a medium to travel | 42 | |
| 16303928598 | Refraction | the bending of a wave caused by a change in its speed as it moves from one medium to another | 43 | |
| 16303928599 | Law of conservation of charge | electric charges can be transferred from object to object, but it cannot be created or destroyed | 44 | |
| 16303928600 | Atoms | becomes charged by gaining or losing electrons | 45 | |
| 16303928601 | Conductor | A material in which electrons easily flow | 46 | |
| 16303928602 | Friction | the force that opposes the sliding motion of 2 touching surfaces | 47 | |
| 16303928603 | elastic potential energy | Energy stored by something that can stretch or compress like a rubber bad or a spring | 48 | |
| 16303928605 | kinetic energy | Energy in the form of motion | 49 | |
| 16303928606 | Insulators | A type of material in which electrons do not easily flow | 50 | |
| 16303928607 | Law of conservation of charge | electric charges can be transferred from object to object, but it cannot be created or destroyed | 51 | |
| 16303928608 | conductor | A material in which electrons easily flow | 52 | |
| 16303928609 | Diffraction | an object causes a wave to change direction and bend toward it | 53 | |
| 16303928610 | transverse waves | matter moves back and forth at right angles to direction that waves travel | 54 | |
| 16303928611 | compressional wave | matter moves back and forth as the wave travels through it | 55 | |
| 16303928612 | Interference | when 2 or more waves overlap and combine to form a new wave | 56 | |
| 16303928613 | positive, negative charges | CHARGES EXERT FORCES ON EACH OTHER ;THE LIKE CHARGES REPEL | 57 | |
| 16303928614 | Electric current | the net movement of electric charges in a single direction | 58 | |
| 16303928615 | Power formula | work/time | 59 | |
| 16303928616 | Chemical Potential Energy (CPE) | Energy stored in chemical bonds | 60 | |
| 16303928618 | Insulator | A type of material I'm which electrons do not easily flow | 61 | |
| 16303928619 | potential energy | Energy that is stored | 62 | |
| 16303928620 | rolling friction | friction between a rolling object and the surface it rolls on | 63 | |
| 16303928621 | gravitational potential energy | anything that can fall has stored GPE | 64 | |
| 16303928622 | Crests | the highest points on a transverse wave | 65 | |
| 16303928623 | constructive interference | Resulting wave is bigger | 66 | |
| 16303928624 | charging by contact | the process of transferring charge by touching or rubbing | 67 | |
| 16303928625 | conductor | a material in which electrons easily flow EXAMPLE: METALS | 68 | |
| 16303928626 | voltage difference | the force that causes electric charges to flow; charges flow from high voltage to low voltage | 69 | |
| 16303928627 | Troughs | the lowest points on a transverse wave | 70 | |
| 16303928628 | destructive interference | Resulting wave is smaller | 71 | |
| 16303928629 | charging by induction | the rearrangement of electrons on a neutral object caused by a nearby charged object | 72 | |
| 16303928630 | Insulator | A material in which electrons are not able to move easily EXAMPLE: rubber,wood,plastic | 73 | |
| 16303928631 | fluid friction | The friction when an object moves through a fluid meaning fluid or gas | 74 | |
| 16303928632 | Circuit | a closed path that electric current follows | 75 | |
| 16303928633 | machine | A device that makes work easier | 76 | |
| 16303928634 | mechanical energy | Total amount of kinetic energy and potential energy | 77 | |
| 16303928635 | Compressions | The parts where the coils are close together in a compressional wave | 78 | |
| 16303928636 | electromagnetic waves | made by vibrating electric charges and can travel through space | 79 | |
| 16303928637 | electric current | the net movement of electric charges in a single direction | 80 | |
| 16303928638 | charging by contact | the process of transferring charge by touching or rubbing | 81 | |
| 16303928639 | Dry cell battery | chemical reactions occur in a moist paste causing the transfer of electrons | 82 | |
| 16303928640 | elastic potential energy | Energy stored by something that can stretch or compress like a rubber bad or a spring | 83 | |
| 16303928641 | The law of conservation of energy | energy may change form but it cannot be created or destroyed under ordinary conditions | 84 | |
| 16303928642 | air resistant | a friction-like force that opposes motion of object that move through air depend on speed, size and shape | 85 | |
| 16303928643 | work | The transfer of energy that occurs when an object moves | 86 | |
| 16303928644 | velocity | includes the speed of an object and the direction of its motion | 87 | |
| 16303928645 | Input force | The force applied to a machine | 88 | |
| 16303928646 | wet cell battery | contains two connected plates made of different metals in a conducting solution | 89 | |
| 16303928647 | charging by induction | the rearrangement of electrons on a neutral object caused by a nearby charged objects | 90 | |
| 16303928648 | Frequency | number of vibrations per second | 91 | |
| 16303928649 | Rarefraction | Less dense region; coils are farther away ; In a compressional wave | 92 | |
| 16303928650 | voltage difference | force that causes electric charges to flow; charges flow from high voltage to low voltage | 93 | |
| 16303928651 | Frequency | # of complete wavelengths that pass a point in a given time | 94 | |
| 16303928652 | Radio waves | Low frequency waves with wave lengths of about 1-10 cm( used for radio stations, microwaves, radars) | 95 | |
| 16303928653 | circuit | a closed path that electric current follows | 96 | |
| 16303928654 | electric current | the net movement of electric charges in a single direction through a wire or conductor | 97 | |
| 16303928655 | Resistance | the tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light | 98 | |
| 16303928656 | Chemical Potential Energy (CPE) | Energy stored in chemical bonds | 99 | |
| 16303928657 | acceleration | rate of change of velocity | 100 | |
| 16303928658 | Infrared waves | Have a slightly higher frequency than radio waves(remote controls, warmth of a fire and satellites) | 101 | |
| 16303928659 | Wave formula | v=fλ; wave speed(m/s)= frequency(Hz) *wavelength(m) | 102 | |
| 16303928660 | dry cell battery | chemical reactions occur in a moist paste causing transfer of electrons | 103 | |
| 16303928661 | voltage difference | related to the force that causes electric charges to flow; measured in volts | 104 | |
| 16303928662 | Motion | occurs when an object changes position relative to a reference point | 105 | |
| 16303928663 | Ohm's Law | the current in a circuit equals the voltage difference divided by the resistance | 106 | |
| 16303928664 | Output force | Force applied by machine | 107 | |
| 16303928665 | Amplitude | measure of the energy in a wave | 108 | |
| 16303928666 | visible light | the range of electromagnetic waves that you can detect with your eyes | 109 | |
| 16303928667 | wet cell battery | contains two connected plates made of different metals in a conducting solution | 110 | |
| 16303928668 | circuit | a closed path the electric current follows | 111 | |
| 16303928669 | series circuit | An electric circuit with a single path | 112 | |
| 16303928670 | gravitational potential energy | anything that can fall has stored GPE | 113 | |
| 16303928671 | distance | how far an object has traveled (area between 2 reference points) | 114 | |
| 16303928672 | dry cell battery | chemical reactions occur in a moist paste causing a transfer of electrons | 115 | |
| 16303928760 | the ratio of the output force to the input force | 116 | ||
| 16303928673 | parallel circuit | A circuit that contains more than one path for current flow. | 117 | |
| 16303928674 | Resistance | the tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light caused by making wires longer and thinner and hotter | 118 | |
| 16303928675 | ROYGBIV | red, orange, yellow, green, blue, indigo, violet | 119 | |
| 16303928676 | Displacement | the distance and direction of the object's change in position relative to the starting point | 120 | |
| 16303928677 | radio transmission | radio converts electromagnetic waves into sound waves | 121 | |
| 16303928678 | Ultraviolet waves (UV) | Frequencies slightly higher than visible light( the sun(sunburns, vitamin D production, fluorescent materials absorb)) kill bacteria | 122 | |
| 16303928679 | carrier wave | specific frequency | 123 | |
| 16303928680 | Ohm's law | Current in a circuit equals voltage difference divided by resistance | 124 | |
| 16303928681 | wet cell battery | contains two connected plates made of different metals in a conducting solution | 125 | |
| 16303928682 | mechanical energy | Total amount of kinetic energy and potential energy | 126 | |
| 16303928683 | speed | The distance an object travels per unit of time(rate of change in position) | 127 | |
| 16303928684 | Electric fuse | Small pice of metal that melts if current is too high | 128 | |
| 16303928685 | Resistance | the tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light | 129 | |
| 16303928686 | machanical advantage formula | output force/input force | 130 | |
| 16303928687 | average speed formula | total distance/total time |  | 131 |
| 16303928688 | X-rays and gamma rays | Ultra-high frequencies that can travel through matter, damage cells( bone images, radiation therapy) | 132 | |
| 16303928689 | television | audio is sent by FM radio waves and video is sent by AM radio signals. | 133 | |
| 16303928690 | cathode ray tube | Produce images you can see on tv. Surface is covered in spots that flow red, green, or blue when struck by electron beams | 134 | |
| 16303928691 | circuit breaker | small piece of metal that bends when it gets hot, opening circuit and stopping current flow | 135 | |
| 16303928692 | Resistance | measured in ohms | 136 | |
| 16303928693 | The law of conservation of energy | energy may change form but it cannot be created or destroyed under ordinary conditions | 137 | |
| 16303928694 | instataneous speed | speed any given point in time | 138 | |
| 16303928761 | Measure of how much work is put into a machine is changed into useful output work | 139 | ||
| 16303928695 | Telephones | electrical signal creates radio wave that is transmitted to and from a microwave tower | 140 | |
| 16303928696 | Magnetism | refers to the properties and interactions of magnets in which there is a force of attraction or repulsion between like or unlike poles | 141 | |
| 16303928697 | Ohm's Law | the current in a circuit equals the voltage difference divided by the resistance | 142 | |
| 16303928698 | average speed | total distance travel divided by total timme | 143 | |
| 16303928699 | Magnetic field | exerts a force on other magnets and objects made of magnetic materials | 144 | |
| 16303928700 | work | The transfer of energy that occurs when an object moves | 145 | |
| 16303928701 | Global Positioning System (GPS) | system of satellites, ground stations and receives that receive high freq microwave signals, amplify it and return it to Earth. | 146 | |
| 16303928702 | electric current | measured in amperes | 147 | |
| 16303928703 | constant speed | speed that does not vary | 148 | |
| 16303928704 | Newton's first law of motion | an object in motion stays in motion or an object rests, until an unbalanced net force acts on it (also law of inertia) | 149 | |
| 16303928705 | Simple machine | A machine that does work with only one movement | 150 | |
| 16303928706 | series circuit | An electric circuit with a single path | 151 | |
| 16303928707 | Magnetic domains | groups of atoms with aligned magnetic poles | 152 | |
| 16303928708 | permanent magnet | Made by placing a magnetic material in a strong field , forcing magnet domains to line up | 153 | |
| 16303928709 | Lever | A bar that is free to pivot around a fixed point (fulcrum) | 154 | |
| 16303928710 | Inertia | The tendency of an object to resist any change in motion | 155 | |
| 16303928711 | parallel circuit | A circuit that contains more than one path for current flow. | 156 | |
| 16303928712 | Complex Circuit | a circuit composed of both series and parallel circuits | 157 | |
| 16303928713 | Electromagnet | a temporary magnet made by wrapping a wire coil carrying a current around an iron core | 158 | |
| 16303928714 | 1st class lever | fulcrum in the middle | 159 | |
| 16303928715 | Newton's Second Law of Motion | a net force acting on an object causes the object to accelerate in the direction of the force | 160 | |
| 16303928716 | Force formula | F=ma | 161 | |
| 16303928717 | 2nd class lever | Output force is between input force and fulcrum ex: wheelbarrow | 162 | |
| 16303928718 | Electric motors | a device that converts electrical energy into mechanical energy | 163 | |
| 16303928719 | circuit breaker | small piece of metal that bends when it gets hot, opening circuit and stopping current flow of electrons | 164 | |
| 16303928720 | Direct Current (DC) | Electric current that flows in only one direction | 165 | |
| 16303928721 | Newton's Third Law of Motion | For every action there is an equal and opposite reaction | 166 | |
| 16303928722 | 3rd class lever | Input force is between output force and fulcrum ex: broom | 167 | |
| 16303928723 | electric fuse | small piece of metal that melts if current becomes too high, opening circuit | 168 | |
| 16303928724 | momentum | property of moving object resulting from its mass and velocity (momentum=mass *velocity | 169 | |
| 16303928725 | Magnetism | refers to the properties and interactions of magnets in which there is a force of attraction or repulsion between like or unlike poles | 170 | |
| 16303928726 | Alternate Current (AC) | Reverses the direction of the current flow in regular patterns | 171 | |
| 16303928727 | Pulley | A simple machine that consists of a grooved wheel with a rope or cable wrapped around it. | 172 | |
| 16303928728 | magnetic field | exerts a force on other magnets and objects made of magnetic materials(strongest closest to the magnet) | 173 | |
| 16303928729 | Gravity | any two masses that exert an attractive force on each other | 174 | |
| 16303928730 | fixed pulley | attached to something that doesn't move | 175 | |
| 16303928731 | weight | the gravitational force exerted on an object, measured in units called newtons | 176 | |
| 16303928732 | moveable pulley | A pulley that is NOT attached to a structure | 177 | |
| 16303928733 | pole | all magnets have a north a south | 178 | |
| 16303928734 | Block and tackle | combines multiple fixed and moveable pulleys | 179 | |
| 16303928735 | repel | like poles | 180 | |
| 16303928736 | projectile | anything thrown or shot through the air | 181 | |
| 16303928737 | attract | unlike poles | 182 | |
| 16303928738 | wheel and axle | Consists of an axle attached to the center of a larger wheel so that the wheel and axle rotate together | 183 | |
| 16303928739 | horizontal motion | motion parallel to Earth's surface | 184 | |
| 16303928740 | inclined plane | a sloping surface, such as a ramp, that reduces the amount of force required to do work | 185 | |
| 16303928741 | vertical motion | motion perpendicular to Earth's surface | 186 | |
| 16303928742 | magnetic materials | iron, cobalt, nickel | 187 | |
| 16303928743 | screw | An inclined plane wrapped around a cylinder | 188 | |
| 16303928744 | magnetic domains | groups of atoms with aligned magnetic poles to small to be seen with our eyes | 189 | |
| 16303928745 | centripetal acceleration | acceleration toward the center of a curved or circular path | 190 | |
| 16303928746 | wedge | an inclined plane with one or two sloping sides | 191 | |
| 16303928747 | permanent magnets | are made by placing a magnetic material in a strong magnetic field, forcing magnetic domains to line up | 192 | |
| 16303928748 | magnetism and electricity | when electric current flows through a wire , a magnetic field that forms around a wire | 193 | |
| 16303928749 | compound machine | 2 or more simple machines that operate together | 194 | |
| 16303928750 | the amount of current flowing through the wire. | what does the strength of a magnetic field depend on ? | 195 | |
| 16303928751 | electromagnet | a temporary magnet made by wrapping a wire coil carrying a current around an iron core | 196 | |
| 16303928752 | By adding more turns or coils to the wire coil or increasing the current through the wire | how can you increase the strength of the magnetic field? | 197 | |
| 16303928753 | electric motors | a device that converts electrical energy into mechanical energy | 198 | |
| 16303928754 | simple electric motor | the electromagnet rotates between the poles of a permanent magnet | 199 | |
| 16303928755 | DC current (direct current) | Current flows in one direction only through a wire EXAMPLE: battery | 200 | |
| 16303928756 | AC (alternating current) | reverses the direction of the current flow in regular patterns EXAMPLE: PLUGGING A TOASTER INTO A WALL OUTLET | 201 |
