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Our Friend Friction
Micro Machines
I've Got the Energy
The Eyes Have It
Misc
100
This is the force that opposes motion of an object.
What is friction?
100
This is the slanted surface along which a force can move an object to a different elevation.
What is an inclined plane?
100
This is a source of energy that exists in limited quantities and cannot be replaced once it is used.
What are a nonrenewable energy resources?
100
The name of the 3 specific colors that can be combined to create millions of colors.
What are primary colors?
100
Newton's first law is also known as the law of ____.
What is inertia?
200
This is the friction force that opposes the motion of an object as it slides over a surface.
What is sliding friction?
200
This is a V-shaped object whose sides are two inclined planes sloped towards each other.
What is a wedge?
200
The energy that an object has due to its motion.
What is kinetic energy?
200
The new colors that result when any two of the primary colors are combined.
What are secondary colors?
200
For every action, there is an equal and opposite what?
What is reaction?
300
This is the friction force that opposes the motion of an object as it rolls along a surface.
What is rolling friction?
300
This is the name of the fixed point that a lever rotates around.
What is a fulcrum?
300
This is a source of energy that can be replaced in a relatively short period of time.
What are renewable energy resources?
300
This is an optical instrument that uses lenses to collect and focus light from distant objects.
What is a telescope?
300
This is the force that acts on a projectile besides gravity.
What is air resistance?
400
This is the friction force that opposes the motion of an object through a fluid.
What is fluid friction?
400
This is a rigid bar that is free to move around a fixed point.
What is a lever?
400
The energy that is stored as a result of position or shape.
What is potential energy?
400
This is an eye condition that causes distant objects to be blurry.
What is farsightedness?
400
When you look this this material, objects appear fuzzy.
What is translucent?
500
This is the friction force that makes it difficult to get a heavy box to move along the ground by pushing it.
What is static friction?
500
The work output of a machine is always ______ than the work input of the machine.
What is less?
500
This law states that energy can be neither created nor destroyed.
What is the law of conservation of energy?
500
This is the inner surface of the back of the eye.
What is a retina?
500
Combining equal parts of red light, green light, and blue light will create this kind of light.
What is a white light?