| Forces in Motion | Changing forms of energy | Electricity | Vocabulary |
|---|---|---|---|
|
What is distance, time?
Velocity is ____ over _______
|
What is kinetic energy is energy in motion and potential energy is stored energy?
What is the difference between kinetic and potential energy?
|
What is positive?
When an atom loses electrons, its charge becomes
|
What is unbalanced forces?
the instance when certain force
is either only partially canceled or not canceled at all by other forces? |
|
What is a wheel and axel?
What simple machine is a steering wheel in a car?
|
What is higher?
A sound with greater frequency has a _________ pitch
|
What is a series?
A circuit with more than one resistor on a single wire is a _______circuit.
|
What is acceleration?
A change in velocity per unit of
time? |
|
What is inertia?
A tendency to do nothing or to remain unchanged is called
|
What is by convection?
How do currents transfer heat in the ocean?
|
What is A conductor is a material through which an electric current can move easily. Copper is an example of a good conductor. An insulator stops an electrical current. Rubber is an example of an insulator.
How are conductors and insulators different?
|
What is Newton's Law of Gravitation
the law stating the force of
gravity between two objects increases with the mass of the objects and decreases with the distance between them squared? |
|
What is acceleration?
The greater the net force acting on an object the greater the ___________
|
What is nuclear energy?
What type of energy is released when a proton is knocked out of an atom’s nucleus?
|
What is It has no resistance to electrical current?
What is the definition of a superconductor?
|
What is a pulley?
a simple machine consisting of a
wheel with a grooved rim in which a pulled rope lifts a load? |
|
What is for every action there is an equal or opposite reaction?
What is Newton's third law of motion?
|
What is electrical to sound energy?
When you turn on a radio, what type of energy transformation takes place?
|
What is an electromagnet can be turned on and off or made stronger?
What is different about an electromagnet?
|
What is momentum?
the motion of a body and its
resistance to slowing down, which is equal to the product of the body's mass and velocity? |
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