Give 2 examples of everyday objects that use the wheel and axle.
Many correct responses including: Car, skateboard, wagons, bike, shopping cart, etc
Name 2 examples of everyday objects that are inclined planes.
Ramps, stairs, slides, bed of a dump truck , many more
Give 2 everyday examples of pulleys.
Many examples including:
water well, clothes line, bike-chain, elevators, curtains, flag pole.
Give two examples of an everyday object that is a wedge.
●Knife
●Axe
●Door Stopper
●Sewing Needle
What is Ms. Johnson's favorite colors?
Orange and Red !!
Give two examples of everyday objects that are levers.
see-saw, scissors, nail clippers, back of a hammer, hockey stick, your arms.
How does an inclined plane make work easier?
It is easier to slide a heavy object up the flat, slanted surface rather than carry it from one level to another.
You distance that you need to carry the load will increase, but it will require less force to move it.
How does a pulley reduce work?
By reducing the effort needed to lift an object by increasing the distance over which the effort is applied.
How does a wedge make work easier?
A wedge reduces the amount of force needed to split objects.
When is Ms. Johnson's birthday?
July 11th !
How does a lever reduce work?
The lever makes doing work easier by reducing the force needed to move an object. In order to reduce the force needed, the distance over which the force is applied must be increased.
True or False: All inclined planes make work much easier.
False! A steep inclined plane may not help make work easier as the amount of force will not be greatly reduced.
What vocabulary word should be under the red arrow in this picture?
Effort or force
True or False: a wedge is two inclined planes put together to make a point.
True!
How many siblings does Ms. Johnson have?
One ( A sister) !
True or False: a pulley system also utilizes a wheel and axle.
True! A pulley system uses a grooved wheel attached to an axle and a rope to rotate it.
You are moving boxes into a moving van. Where is the effort or force is coming from in this diagram:
The force is coming from pushing the box up the ramp from the bottom.
True or False: Part C in this diagram is a movable pulley.
False. Part C is a fixed pulley because it is fixed to one spot (it does not move).
How is a wedge different from an inclined plane?
A wedge is used to split things apart, an inclined plane is used to move objects from one level to another.
The big difference between a wedge and an inclined plane is that, while the inclined plane stays still, a wedge moves to do its work.
How many years has Ms. Johnson been teaching/working with students?
Six Years !
This is the word for the point on which a lever rests or is supported and on which it pivots?
The fulcrum
What are three actions you can use with an inclined plane when moving an object ?
push, pull, or roll.
True or False: Part B in this diagram is a movable pulley.
True! It is not fixed to one spot, so it is able to move.
True or False: all wedges are meant to be moved in order to do their job.
False. Some wedges are used to prevent movement, such as a door wedge.
Where in NYC does Ms. Johnson live?
Long Island !