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PS_8th_CH10_Force

Study Guide Chapter 10

Key Terms:

All Newton’s Laws, and Newton the Man, force, net force, unbalanced and balanced forces, inertia, friction—some types are: sliding, rolling, fluid, gravity, acceleration due to gravity, momentum, and law of conservation of momentum

Topics for Short Answers:

  • Lots of Calculations for Force and Momentum…What are (N) Newtons…. really…
  • Force = ?
  • Momentum =?
  • Acceleration =?
  • Speed =?
  • Velocity=?
  • Vector Diagrams...
  • Describe what a force is.            
  • Explain how balanced and unbalanced forces are related to an object’s motion.
  • Describe friction, and identify factors that determine the friction force between two objects.
  • Identify the factors that affect the gravitational force between two objects.
  • State Newton’s first law of motion.    
  • State Newton’s second law of motion.    
  • State Newton’s third law of motion.    
  • Explain how an object’s momentum is determined.    
  • Explain how a rocket lifts off the ground.    Newton's 3rd Law
  • Determine when an object is in motion.
     

MOTION

  1. •What is a force?
  2. •How is the father of physics?
  3. •What math did he develop?
  4. •How do we represent a push or a pull?
  5. •What two factors are important?
  6. •How do we represent size and direction?
  7. •What is Newton's first law?
  8. •Does toilet paper have inertia?
  9. •What is Newton's second law?
  10. •What is the formula for it?
  11. •What is Newton's third law?
  12. •Why doesn't a book fall through the table?
  13. •What determines momentum?
  14. •What is a Newton's Cradle?

 

Want to think more deeply about the short answer calculation topics here are some suggestions

Draw what happened use a vector diagram label the forces. Why does the following happen with a balloon..
The balloon works the same way as a rocket does. The compressed air (gas) inside the sealed balloon pushes outward in all directions, but as long as the gas can't go anywhere, neither can the balloon. As soon as you release the clothespin, the gas blows out the back at high speed (action). It pushes the balloon away in the opposite direction (reaction).

 

WEBQUEST 

Force Webquest Due: Tomorrow

  • Read the directions for each task, then go to each website and find the information.  
  • Write the questions and the answers on the paper provided

PRE- TEST QUIZ RESULTS

Warm up for class use the website below and answer  its questions in tell me your score

http://www.bbc.co.uk/bitesize/ks2/science/physical_processes/forces/quiz/q74052238/

Task 1: Who was Isaac Newton?   What important contributions did he make to science?

http://www.windows.ucar.edu/tour/link=/people/enlightenment/newton.html

Task 2: Look for a picture of Isaac Newton.   Write 1 or 2 sentences that describe what he looks like.
http://images.google.com/

Task 3: What is Newton's 1st law?   Describe the example of Newton's 1st Law in action while you are a passenger in a car or riding a bike and hitting a curb.  http://google.com

Task 4: Newton's 2nd law is F = MA.  Write the formula in words.   http://google.com

Go to youtube.com search for "'50s Adventures of Superman - Intro" it should be black and white version. watch it.

SUPER TASK: Why does a speeding bullet and a moving train have so much force?   Do you know who is faster than a speeding bullet and stronger than a locomotive?

Task 5: What is Newton's 3rd law?   What example was described on this webpage?

http://www.tpub.com/content/fc/14104/img/14104_87_2.jpg  

Task 6: What is a force? Explain the forces behind a soccer ball being kicked.

http://www.real-world-physics-problems.com/physics-of-soccer.html  

Task 7: What is friction?   What are the three types of friction? How is friction helpful?

http://www.school-for-champions.com/science/friction_uses.htm  

Task 8: How are balanced forces and unbalanced forces different?   Which one causes movement?

Type balanced vs. unbalanced forces into a google search

WEBQUEST ENDS HERE THANKS! 

Wanna try something fun, early finishers play the link below

Really Fun Simple Machine Game: http://www.msichicago.org/online-science/simple-machines/activities/simple-machines-1

 

Momentum Virtual Lab

http://www.glencoe.com/sites/common_assets/science/virtual_labs/E24/E24.html

  1. Complete the Lab using the Lab Procedure.
  2. Click the data table button to enter your virtual lab's data.
  3. Print that data table
  4. Answer all the conclusion questions by selecting the online journal buttom.
  5. Print your journal's conclusions.
  6. Submit by tomorrow
  7. Then explore the physics of skateboarding at: http://www.exploratorium.edu/skateboarding/

Balloon Rockets: