Units
Energy
Motion/Forces
Waves/Sound
Light & Color
100
What is the metric unit for force?
Newton
100
Energy of motion is called...
kinetic energy
100
What is the term that describes an object that is slowing down?
deceleration
100
What is the "bump" on a standing wave called?
antinode
100
What is the bending of light rays called
refraction
200
What is the unit that measures loudness of sound?
Decibel
200
A coconut falls from a tree. What happens to its kinetic energy as it falls?
it increases
200
You push on a box to the right with 100N of force. I push on the box to the left with 100N of force. What is the result on the box?
the forces cancel and the box does not accelerate
200
relate the speed, frequency, and wavelength of a wave in equation form. Speed =
speed = wavelength x frequency
200
What colors of light do color televisions use to produce images
red, green, blue
300
meters per second squared is a unit of...?
acceleration
300
Where is the potential energy of a falling coconut the smallest?
on the ground
300
What are the 4 forces on an airplane wing
drag, lift, thrust, air resistance
300
All of the following ( pizzas, waves, and air) have weight except
waves
300
What is the speed of light?
300,000,000 m/s
400
Pitch is another name for ______ and its unit is the _____
frequency Hertz
400
You throw a ball in the air. While it is a projectile, where is its kinetic energy the least?
at the top of its trajectory
400
While driving you slam on the brakes. What happens to the tray of cupcakes on the back seat?
They continue moving forward and fall to the floor due to Newtons first law
400
What is it called when a wave front bends around a barrier?
diffraction
400
What is it called when light bounces off a surface?
reflection
500
What is a metric unit for range for a projectile?
centimeter, meter, kilometer...
500
a 5 kg ball is rolling at 2 m/s. How much kinetic energy does it have?
10 Joules
500
Which object has the most inertia an electron,a sound wave, a baseball
baseball
500
What is it called when two waves occupy the same space at the same time?
interference
500
What are the subtractive primary colors
Cyan, magenta, yellow
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