UNIT #4, Mechanical Systems
Science notes rubric:
Group RedJackson, Jesse & Austin
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Group BlueColin, Jaida & Kaylee
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Group BlackMeghann, Tia & Tristan
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Group OrangeConnor, Alison & Aleash
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Group PurpleLoni, Shaun & Hudson
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Group GreenShae, Deb, Damian
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Group TurqoiseCasey, Steph & Durrell
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Group YellowAlida, Megan M & Alex
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Group BrownKayla, Lukas & Jayden
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Group PinkEthan & Dallas
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Topic #1
The following concepts are important from the topic. Make sure that you have them in your notes!
1. What is a lever, what are the parts of a lever and their roles
2. What are the types of levers, do they give you a force advantage or a speed advantage, you need examples of each type
3. What is work, how is it measured (Joules) and how is it calculated (force * distance)
4. What is an incline plane and how does it work
5. What is input work and output work
6. What is mechanical advantage, how is it calculated
7. What does it mean if a machine has a mechanical advantage of 2? what about a mechanical advantage of 1? or 0.5?
8. What is speed?
9. What is ergonomics
2. What are the types of levers, do they give you a force advantage or a speed advantage, you need examples of each type
3. What is work, how is it measured (Joules) and how is it calculated (force * distance)
4. What is an incline plane and how does it work
5. What is input work and output work
6. What is mechanical advantage, how is it calculated
7. What does it mean if a machine has a mechanical advantage of 2? what about a mechanical advantage of 1? or 0.5?
8. What is speed?
9. What is ergonomics
Topic #2
The following concepts are important from the topic. Make sure that you have them in your notes!
10. How are winches levers, explain the parts
11. How can you change the length of the arms of a lever to gain a mechanical advantage or speed advantage
12. What is a wheel and axle and how does it act as a lever
13. What are gears and how do they work as levers, what are their parts and how do they work together, How do you calculate the speed ratio
14. What are pullies and how do they work, how can you use a fixed pulley, does it give you a mechanical advantage?
15. How can you use a movable pulley and how does it give you a mechanical advantage. What do you call fixed and movable pulleys when you use them in combination
11. How can you change the length of the arms of a lever to gain a mechanical advantage or speed advantage
12. What is a wheel and axle and how does it act as a lever
13. What are gears and how do they work as levers, what are their parts and how do they work together, How do you calculate the speed ratio
14. What are pullies and how do they work, how can you use a fixed pulley, does it give you a mechanical advantage?
15. How can you use a movable pulley and how does it give you a mechanical advantage. What do you call fixed and movable pulleys when you use them in combination
Topic #3
The following concepts are important from the topic. Make sure that you have them in your notes!
16. What is kinetic energy and the other forms of energy, how do we use them with simple machines.
17. What is potential energy and how do we use it with simple machines
18. How is energy transmitted or transferred from one object to another or from one form to another
19. Is any machine 100% efficient? How do you calculate mechanical efficiency
17. What is potential energy and how do we use it with simple machines
18. How is energy transmitted or transferred from one object to another or from one form to another
19. Is any machine 100% efficient? How do you calculate mechanical efficiency
Topic #4
The following concepts are important from the topic. Make sure that you have them in your note!
21. What is pressure, how do you use force(newtons) and area(meters squared) to calculate pressure
22. What do you measure pressure in? (Pascals)
23. How is increased pressure used in our world, how is decreased pressure used in our world
24. What is Pascals Law and how does it work?
25. How is Pascals Law used in hydraulic systems?
22. What do you measure pressure in? (Pascals)
23. How is increased pressure used in our world, how is decreased pressure used in our world
24. What is Pascals Law and how does it work?
25. How is Pascals Law used in hydraulic systems?
Topic #5
The following concepts are important from the topic. Make sure that you have them in your notes!
27. What is a hydraulic system and how does it work?
28. What is a pneumatic system and how does it work?
29. How doe pneumatic systems work in the real world? How about hydraulic systems?
30. How does a hovercraft use air and pressure to work?
28. What is a pneumatic system and how does it work?
29. How doe pneumatic systems work in the real world? How about hydraulic systems?
30. How does a hovercraft use air and pressure to work?
Topic #6
The following concepts are important from the topic. Make sure that you have them in your notes!
31. What is a subsystem and how can you combine simple machines together to form a complex system
32. Know how some simple machines work together in the real world. How many simple machines are there in a car's brake system? How
do they work together? How many simple machines are there in a crane and how do they work together?
32. Know how some simple machines work together in the real world. How many simple machines are there in a car's brake system? How
do they work together? How many simple machines are there in a crane and how do they work together?
Topic #7
The following concepts are important from the topic. Make sure that you have them in your notes!
33. How does a steam engine work and how does a steam turbine work? Use a locomotive as a real life example
34. How does an internal combustion engine work? How does the engine use small explosions to power a piston? Why do engines always need more than one cylinder in an internal combustion engine? How does the crankshaft contribute to the engine working and producing power.
35. How have new fuel sources impacted the development of power and engines in the past, today and in the future?
34. How does an internal combustion engine work? How does the engine use small explosions to power a piston? Why do engines always need more than one cylinder in an internal combustion engine? How does the crankshaft contribute to the engine working and producing power.
35. How have new fuel sources impacted the development of power and engines in the past, today and in the future?