The Energy of Waves
Sound & Light
Matter in Motion
Forces & Motion
Work and Machines
100
1.100 Any disturbance that transmits energy through matter or empty space is a _________________
What is wave
100
2.100 What type of waves are sound waves (2 answers)?
What is longitudinal and mechanical
100
3.100 The change of position of an object over time is ________
What is motion
100
4.100 The constant velocity of a falling object due to the zero net force of gravity and air resistance is known as ________________
What is terminal velocity
100
5.100 The transfer of energy to an object by using a force that causes the object to move in the direction of the force is
What is work
200
1.200 Waves that can transfer energy without a medium are _____________________
What is electromagnetic wave
200
2.200 On what does the loudness of sound depend?
What is amplitude of the wave
200
3.200 The formula for the speed of an object is_____________
What is speed=distance/time
200
4.200 Newton's Law of Motion that says, "An object at rest remains at rest & an object in motion remains in motion unless acted on by an outside force."
What is the first law
200
5.200 The formula for calculating work done in moving an object is
What is work = force x distance
300
1.300 Waves that need a medium for travel are called __________________
What is mechanical waves
300
2.300 On what does the pitch of sound depend
What is frequency
300
3.300 The speed of an object in a particular direction is its ________________
What is velocity
300
4.300 Newton's Law of Motion that says, "Whenever an object exerts a force on a second object, the second object exerts an equal and opposite force on the first."
What is Newton's Third Law
300
5.300 The rate at which work is done is known as
What is power
400
1.400 The type of wave that has a motion parallel to the direction of the wave
What is longitudinal wave
400
2.400 Which is faster in air: the speed of sound or the speed of light?
What is light
400
3.400 The rate at which velocity changes over time is
What is acceleration
400
4.400 Newton's Law of Motion that says, "The acceleration of an object depends on the mass of the object & the amount of force applied."
What is the Newton's Second Law
400
5.400 A device that makes work easier by changing the size or direction of a force is a
What is a machine
500
1.500 What type of wave has a motion at right angles to the direction of the wave
What is transverse wave
500
2.500 The part of the ear that is set into vibration by vibrating air molecules
What is eardrum
500
3.500 A push or pull on an object is a ______________. The combination of all pushes or pulls on an object is ______________
What is force; net force
500
4.500 The product of the mass and the velocity of an object is_____________________
What is momentum
500
5.500 The comparison of a machines work output with work input is the
What is mechanical efficiency