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# Explain the difference between velocity and acceleration.

Post Date: 13 - Sep - 2021

Title: Report Writing

You are required to write an academic report which includes the sections outlined below.

SECTION ONE – the connection between force and motion

• Explain the difference between velocity and acceleration. You must include suitable drawings and/ or diagrams within your response.

• Explain Newton’s Laws of Motion and discuss the implications, giving appropriate examples to support your commentary.

SECTION TWO – conservation of energy and momentum

• Describe the different forms that energy can take.

• Explain the principle of conservation of energy and discuss its implications including the concept of efficiency, giving appropriate examples to    support your commentary.

• Define momentum and explain the law of conservation of momentum using a number of appropriate examples.

SECTION THREE – the concepts and vocabulary of wave motion

• Explain the terms commonly used to describe a wave. You must include suitable diagrams within your response.

• Explain the difference between a transverse and a longitudinal wave giving an example of each. You must also identify the wavelength and        frequency of each example you have given.

• Explain how water waves and sound waves can be reflected, refracted and diffracted.

SECTION FOUR – the straight line model of the behaviour of light

• Explain the laws of reflection and their use in a suitable instrument. You must include appropriate diagrams within your response.

• Explain the laws of refraction.

• Describe the conditions necessary for total internal reflection, giving an example of its use.

SECTION FIVE – magnets, magnetic fields, electric charge and electric current

• Explain the nature of magnetism and its laws.

• Draw the magnetic field around a bar magnet, a current carrying wire, and a solenoid. You must deduce the directions of the fields using            suitable rules, and show these on your drawings.

• Explain current and potential difference, and explain how these behave in both series and parallel circuits.

Assessment Criteria

1.   Explain, using suitable diagrams, the difference between velocity and acceleration.

2.   Explain Newton’s Laws of Motion, giving examples, and discuss the implications.

3.   Describe the forms that energy can take.

4.   Explain the principle of conservation of energy and discuss its implications, giving examples to include the concept of efficiency.

5.   Define momentum and explain the law of conservation of momentum using several suitable examples.

6.   Explain, with the aid of a diagram, the terms commonly used to describe a wave.

7.   Explain the difference between a transverse and a longitudinal wave, giving an example of each, and in each case identifying the                        wavelength and the frequency.

8.   Explain how water waves and sound waves can be reflected, refracted and diffracted.

9.   Explain using suitable diagrams, the laws of reflection and explain their use in a suitable instrument.

10. Explain the laws of refraction.

11.  Describe the conditions necessary for total internal reflection, giving an example of its use.

12.  Explain the nature of magnetism and its laws.

13.  Draw the magnetic field around a bar magnet, a current carrying wire and a solenoid and deduce the directions of the fields using suitable           rules.

14.   Explain current and potential difference and explain how they behave in series and parallel circuits.

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