Questions and Answers
What am I if I am the ability to do work?
energy
What am I if I am the result of a force moving an object through a distance?
work
What am I if I am energy that is stored in an object at rest?
potential energy
What am I if I am one of two states of energy in a moving object?
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What am I if I am the relationship between the amount of energy used and the amount of work accomplished?
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What am I if I am the resistance to motion caused by two objects moving against each other?
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What am I if I am the tendency of moving objects to stay in motion and of resting objects to remain at rest?
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What am I if I can cause an object to move or stop an object that is moving?
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What am I if I make work easier and can be combined to create a compound machine?
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What am I if I am the combination of two or more simple machines?
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What am I if I am a machine made of many compound machines?
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What am I if I am a measure of the force that pushes electrons through a circuit?
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What am I if I am the measure of electricity, specifically the number of electrons that flow through a place in one second?
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What am I if I am a material that allows electricity to flow through it?
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What am I if I am a material that does not allow electricity to flow through it?
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What am I if I am the pathway taken by an electric current?
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What am I if I am a continuous flow of electrons?
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What am I if I can be made with a battery, a metal nail, and some metal wire?
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What am I if I am the invisible push and pull force of some materials?
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What am I if I am concentrated areas of magnetism that run from the north to south poles of a magnet?
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What am I if I can be produced when certain materials are rubbed together?
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Study Notes
Energy Concepts
- Energy is the capacity to perform work.
- Work is defined as the outcome of a force moving an object across a distance.
Types of Energy
- Potential energy is stored energy found in an object at rest.
- Kinetic energy refers to the energy possessed by a moving object.
Efficiency and Forces
- Efficiency evaluates the ratio of energy utilized to the work completed.
- Force can initiate movement or halt an object, described as a push or pull.
Mechanical Devices
- Simple machines simplify work; combining multiple simple machines creates a compound machine.
- Compound machines consist of two or more simple machines.
- Complex machines integrate numerous compound machines.
Electrical Properties
- Voltage indicates the force driving electrons through a circuit.
- An ampere measures electrical flow, quantified by the number of electrons moving in one second.
Conductivity
- Conductors, like metals, permit electricity to pass through easily.
- Insulators, such as rubber, hinder electrical flow.
Electrical Circuits
- Circuits are pathways for electric currents.
- An electric current constitutes a steady flow of electrons, essential for powering devices.
Magnetism and Electromagnetism
- Electromagnets are created using a battery, a metal nail, and wire, serving as a specific type of magnet.
- Magnetism represents the invisible forces exerted by certain materials.
- A magnetic field consists of concentrated magnetic forces spanning from a magnet's north to south poles.
Static Electricity
- Static electricity forms when certain materials rub together and is the same phenomenon responsible for lightning.
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Description
Test your knowledge of science vocabulary with these engaging riddle cards! Each card presents a definition of key terms such as energy, work, potential energy, and kinetic energy. See if you can guess the right terms based on the clues provided.
