Show:
Force
Simple Machines
Machines Over Time
What Am I?
Work and Machines
100
Force
What is a PUSH or a PULL?
100
Inclined plane
What is a simple machine that is a sloped surface?
100
If a simple machine can make work easier, this makes it even better.
What is a compound machine?
100
100 pic
What is an inclined plane?
100
Work
What is using force to make something move?
200
The force that keeps us grounded.
What is GRAVITY
200
Wedge
What is a simple machine with a thick and thin end that lifts, holds or pushes things apart?
200
Compound machine is made up of this.
What is two or more simple machines?
200
200 pic
What is a wedge?
200
Machines
What makes work easier?
300
Putting sand or gravel on ice, brakes on your bike, good grips on our shoes.
What are some advantages of friction?
300
The three things a lever needs.
What is an effort force, a load and a fulcrum?
300
How can scissors be a compound machine?
What is because they have a screw, a wedge and a lever.
300
300 pic
What is an screw?
300
It can be used to measure force.
What is a spring scale?
400
Dull skates, not enough water on the waterslide, no wax on your skis or snowboard
What are disadvantages of friction?
400
The three things a wheel and axle can do.
What is move, turn or lift?
400
Name a compound machine you use every day and at least two of the machines that make it up.
What is ****
400
400 pic
What is a lever and a pulley?
400
A Screw
What is an inclined plane wrapped around a spiral?
500
Three things that can affect the amount of force needed to move an object
What are slope, surface texture and load?
500
Definition and three types of pulleys
What is a chain or rope wrapped around a grooved wheel? There are a fixed, a moveable and combined pulley.
500
Explain how mining machines have changed over time (at least 3 examples)
What is from shovels and pick axes to wheeled carts pulled by horses to backhoes and conveyor belts.
500
500 pic
What is a wheel and axle?
500
Two mechanical advantages of machines (How do machines make work easier?)
What are to change the AMOUNT of force needed OR the DIRECTION of the force that is needed to do work?