Topic: How a Bike Works
Mechanism 1	Cause	Effect	Information Source
Wheels	The wheels are connected to the pedals therefore	the wheel turns.	1. Wheels 2. Wheels
Mechanism 2	Cause	Effect	Information Source
Gears	Gears linked by the chain make the the bike therefore	the bike goes faster or makes it easier to pedal.	1. Gears 2. Gears
Mechanism 3	Cause	Effect	Information Source
Breaks	The breaks are connected to a cable which is connected to the wheels as a result	the pressure from humans makes it stop.	1. Breaks 2. Breaks
Mechanism 4	Cause	Effect	Information Source
Pedals	The pedals work along with the rotational force of your feet therefore	the bike goes forwards.	1. Pedals 2. Pedals
Mechanism 5	Cause	Effect	Information Source
Steering	The handle is connected to the front wheel as a result	the bike is in control.	1.Steering 2. Steering

Topic: How Airplanes Flies
Mechanism 1	Cause	Effect	Information Source
Lift	The airplane flies because	airplanes create a force called lift.	1.Lift 2.Lift
Mechanism 2	Cause	Effect	Information Source
Drag	Drag is the force that slows the movement down as a result	The plane slows down	1. Drag 2. Drag
Mechanism 3	Cause	Effect	Information Source
Thrust	The thrust pushes the airplane as a result	the airplane moves forward..	1.Thrust 2.Thrust

Topic: How a Car Works
Mechanism 1	Cause	Effect	Information Source
Engine	The engine builds heat from the gas therefore	the force turns the wheels.	1.Engine 2. Engine
Mechanism 2	Cause	Effect	Information Source
Steering	The steering wheel is connected to the wheels therefore	the wheels are in control.	1. Steering 2. Steering
Mechanism 3	Cause	Effect	Information Source
Wheels	The car moves because	the wheels rotate.	1.. Wheels 2. Wheels
Mechanism 4	Cause	Effect	Information Source
accelerator	The pressure from the human on the accelerator	makes the car move.	1.accelerator 2. accelerator
Mechanism 5	Cause	Effect	Information Source
Brake	The car stops because	The weight from the human on the brake.	1. Brake 2.Brake