Which simple machine uses grooved wheels and a rope to raise, lower, or move a load.
What is a Pulley
100
Can energy be created or destroyed? Explain why or why not.
What is .....
100
Work is calculated using the following formula.
Work = Force x Distance
Force = 12 Newtons
Distance = 14 Meters
What is the work done?
What is 168
100
The changing of energy from one form to another
What is energy transformation
200
A law that states energy cannot be created or destroyed
What is the Law of Conservation of Energy
200
Which simple machine has at least one slanting side ending in a sharp edge, which cuts material apart like an axe
What is a Wedge
200
Thinking back to the tennis ball energy lab - explain why the ball doesn’t rise to the height where it started after it hits the ground? Where did the energy go?
What is ....
200
Work is calculated using the following formula.
Work = Force x Distance
Force = 1/5 Newtons
Distance = 4 Meters
What is the work done?
What is 4/5
200
What are the 6 types of energy? (excluding potential and kinetic)
What is chemical, nuclear, mechanical, thermal, light, electrical
300
The energy of motion
What is kinetic energy
300
Which simple machine has a stiff bar that rests on a support called a fulcrum which lifts or moves loads
What is a Lever
300
Give an example of an everyday energy transformation.
What is ....
300
Work is calculated using the following formula.
Work = Force x Distance
Force = 2/3 Newtons
Distance = 6 Meters
What is the work done?
What is 4
300
Uses a force to move an object a distance and is calculated by multiplying force and distance.
What is work
400
The instrument that measures force
What is Spring Scale
400
Which simple machine is a circular structure with a rod through its center and moves loads
What is a Wheel and Axle
400
How can you make a machine more efficient? Explain and give an example.
What is Lubrication, Oiling, Reducing Friction
400
Work is calculated using the following formula.
Work = Force x Distance
Force = 5/6 Newtons
Distance = 1 2/3 Meters
What is the work done?
What is 1 7/18
400
Compare and contrast kinetic and potential energy.
What is ...
500
The resistance that one surface or object encounters when moving over another.
What is friction
500
Which simple machine is a slanting surface connecting a lower level to a higher level on which you push loads up
What is an inclined plane
500
What energy transformation happens when you lift a box from the floor to a shelf
What is Kinetic to Potential
500
Work is calculated using the following formula.
Work = Force x Distance
Work = 1/3 Newtons
Distance = 1/2 Meters
What is the FORCE used?
What is 2/3
500
How do machines make doing work easier? Think about the direction and amount of force required.