Bnsg – Friction
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> This quiz is worth 1. 0 pt. (Each question is worth 0. 10 pt) > You need 6 correct answers to pass. > Send your score to me after you finish the quiz. > In the address line put Your Name/Quiz Title/Score (Joe Student/BNSG–Friction/90%)Honor code: I did not give aid to - nor receive aid from - another student on this quiz.
- 1.Nye generates heat by rubbing _____.
- A.
Two sticks against a piece of glass
- B.
His hands through his hair
- C.
His large triangle against the tilted ramp
- D.
A pencil eraser on a piece of metal
- 2.Friction explains why all of the following things are possible, except for _____.
- A.
Keeping corn in a pot of boiling water
- B.
Keeping your shoelaces tied
- C.
Combing your hair back and having it stay in place
- D.
Being able to take a banked turn on a bicycle
- 3.Your hands have a lot of friction due to the _____.
- A.
Oil in your skin
- B.
Inherent dryness of your skin
- C.
Latent heat of your hands
- D.
Ridges in your fingerprints
- 4.Nye explains that the footwear with the least amount of friction are _____.
- A.
Baseball cleats
- B.
Basketball sneakers
- C.
Leather dancing shoes
- D.
Hockey skates
- 5.In a world without friction, the most obvious problem would be that _____ would not work.
- A.
Brakes
- B.
Ovens
- C.
Electricity
- D.
The tides
- 6.Roller skate and skateboard wheels roll with minimal friction thanks to _____.
- A.
Graphite lubricants
- B.
Ball bearings
- C.
Pressurized oil
- D.
Magnetic levitation
- 7.Nye is unable to roll his _____ bowling ball because of the high level of friction.
- A.
Concrete
- B.
Cubic
- C.
Sandpaper covered
- D.
Swiss cheese
- 8.Nye examines the heat shield on _____ and sees that it was burned by friction during 30,000 Km/hr re-entry.
- A.
The Space Shuttle Endeavor
- B.
Gemini II
- C.
Apollo XVII
- D.
Redstone III
- 9.One creature that makes music with friction is the _____.
- A.
Bullfrog
- B.
Cricket
- C.
Slug
- D.
Sparrow
- 10.When Nye is in the wind tunnel, he suggests that trucks should be designed in the shape of _____.
- A.
Birds
- B.
Frogs
- C.
Fish
- D.
Salamanders
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