Demonstration Questionnaire

Demonstration Questionnaire Physics Assessment //Questions[@CanAnswer="1"] Move Forward Move Back Finish > Select 'Finish' to submit your information or select 'Move Back'. Select 'Move Forward' to continue. Select 'Move Back' to move back. Select 'Move Back' to move back or 'Move Next' to move forward. Select your answer then press 'Move Forward' or select 'Move Back'. Instructions 1 Welcome to the Cabair physics assessment. All questions carry equal marks, you will have 24 minutes to answer 8 questions, calculators may be used. You answer by using your mouse to click on the button that you think contains the correct response. To navigate through this questionnaire use the mouse to select the Move Forward or Move Previous buttons on the bottom of the screen when shown. Question 1

What carries electric current in metals?

1. Ions 2. Electrons 3. Neutrons 4. Protons Question 2

The frequency of a sound wave determines its pitch, what is amplitude a measure of?

1. Tone 2. Loudness 3. Balance 4. Resonance Question 3

Two cars are travelling in the same direction; one car is going at 30mph and the other is going at 50mph? If the first car is 10 miles ahead of the second car, how long will it take the second car to catch up with the first?

1. Will never catch up 2. 30 minutes 3. 2 hours 4. 20 minutes Question 4

How does heat travel through a vacuum?

1. By conduction only 2. By convection only 3. By radiation only 4. By conduction and convection Question 5

Which of the following correctly completes a definition of ENERGY?

1. Force x Acceleration 2. The rate of doing work 3. The capacity of a body for doing work 4. Mass x Acceleration Question 6

Is the following statement about FRICTION true or false?'Friction is the force between 2 surfaces in contact which causes them to move relative with each other'

1. True 2. False Question 7

Which of the following changes would not affect the direction of force on a wire carrying a current in a magnetic field?

1. The magnetic field is removed 2. The direction of the current is reversed 3. The current is switched off 4. Both the direction of the magnetic field and the direction of the current are reversed Question 8

Which of Newton's Laws of Motion explains the following?'The velocity of a falling object increases by equal amounts in successive equal time intervals'

1. None 2. First 3. Second 4. Third