Transportation
What is most popular method of transportation in US?
Driving alone
Energy of motion
Kinetic energy
What is 2nd Law of Motion?
F = ma
Which will provide more friction: Football field or Ice hockey rink?
Football field
What is 1st unit called?
Transportation
What is transportation?
The movement of people or goods from one place to another.
What is potential energy?
Stored energy yet or waiting to be used.
3rd Law
The more friction there is, the more ______ it is to move.
How does roller coaster work? (Answer in ASL)
ASL answer
Why is driving alone bad for the environment? Detailed answer expected. (Answer in ASL)
ASL Answer
Roller coaster ride contains potential or kinetic energy?
Both.
What is the total force of 11 kg bowling ball accelerating at 7 m/s^2? Include unit in your answer.
77 N
Why are racing tires smooth?
To go faster, and having less friction
Vehicles burning fuel emit this gas, which contributes to climate change.
CO2 (Carbon Dioxide)
Name 3 common public transportation methods.
Bus, train, metro/subway, light rail, ferry, tram/streetcar.
During biking the hill, draw where the potential and kinetic energy are in work.
Answer in drawing
What is the mass of bowling ball accelerating at 10 m/s^2 with the force of 80 N. Include units in your answer.
8 kg
Give one real-life example where friction is helpful and one where it is a problem.
Answers may vary.
If a chemical or harmful liquid gets in your eyes during a lab experiment, where should you go to?
Eye wash station
At about what percent % do Americans drive alone?
75%
What is the unit of measurement for energy?
Joules (J)
Name all the units for Force, mass, and acceleration.
Mass = kg
Acceleration = m/s^2
What are two factors that affect the amount of friction between two surfaces?
Mass, texture, force, material
(More answers may be accepted)
Name all steps of scientific method in order correctly.
1. Question
2. Hypothesis
3. Experiment
4. Record and observe
5. Analysis
6. Results