Simple Machines
Rollers
Wheel and Axle
100
What are the 5 simple machines we've talked about? +100 if you can guess the bonus!
- Rollers - Wheel and Axle - Pulley - Gear - Lever - Screw!
100
What did we use as rollers for our books?
- Pencils (Pencil Crayons)
100
What makes a wheel spin?
- An Axle - Force
200
Using Simple Machines helps us do less of what?
Force and Friction
200
Do Rollers make less friction or more friction?
Less Friction
200
What do you have to put a wheel on in order for it to work?
An Axle
300
Why do we use Simple Machines?
To help us do less work
300
Would using rollers make moving people easier or harder?
Easier!
300
Provide two examples of Wheels and Axles
- Car - Bike - Bus - Door handle - Ferris Wheel - Rollerblades
400
Why did Science Max need to use Simple Machines?
To fix his particle impulse controller in his workshop
400
Name the 3 experiments we did with rollers:
- Flattening Plasticine (Playdough) - Moving Books - Moving People
400
What did we find out in our wheel and axle experiment?
Different sized wheels make the car less effective
500
Name the 4 words we have talked about for far that describes simple machines:
- Force - Friction - Work - Efficiency
500
Provide an example of Roller:
- Rolling Pin - Roller Coaster - Rollerblades - Axle
500
What combination of wheels and axles is the best for a car?
Two Axles, Four Wheels (Same Size)
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