Physics Study Guide

1)      Know the charge on the subatomic particles

2)      Know how charges react  ( positive and negative charges)

3)      Know how electrical charges are stronger when closer together

4)      Define Coulomb’s law

5)      Know the differences between positive and negative ions

6)      Know the net charge on a non-ionized atom is zero

7)      Define the conservation of charge

8)      Know the difference between gravitational and electrical charges

9)      Know that hydrogen consist of one proton and one neutron

10)   Know the differences between a good insulator and a good conductor

11)   Know objects can be charged by induction, friction and by touching ( know the differences between each)

12)   Know that polarization occurs when opposite charges in a neutral atom separate

13)   Know the DI unit of charge

14)   Define electrostatic energy

Chapter 34

1)      Define ampere

2)      Know examples of voltage source can be a battery, a generator, rubbing rod with fur or, a dry cell

3)      Define electrical resistance and know that a thick wire has less resistance than a thin wire

4)      Electrical resistance is also influenced by the conductivity, and length of the wire

5)      Know electrical resistance is measured in Ohms

6)      Define electric power

7)      Know the formula for current and be able to complete calculations using the formula

8)      Know the formula for electric current

Study Guide for Chapter 25 and 26.

1)      Which is faster, the speed of sound or the speed of light?

2)      How are sound waves produced?

3)      In which medium does sound travel the fastest?

4)      Know that sound wave is a longitudinal wave

5)      Know that sound waves must travel through a medium and not in a vacuum

6)      Know what determines the speed of sound waves

7)      Know that vibration is increased by vibrating something larger

8)      Know the difference between rarefaction and compression

9)      Know the definition of the word pitch

10)   Know that the source of all wave motion is as a result of a vibration

11)   Know the definition of period, wave length, amplitude, crest, and trough

12)   Define Hertz

13)   Know that sound wave are longitudinal wave

14)   Know that characteristics of a longitudinal wave

15)   Know the relationship between frequency and period

16)   Know the difference between a wave length and frequency

17)   Study the formula for period, frequency, wave length

18)   Remember 1 megahertz = 1 0000 Hertz

19)   Know the differences between longitudinal and transverse waves

Study Guide for Chapter  8 Test

1)      Define work

2)      Know the unit of work.

3)      Remember with kinetic energy work gets done and know the formula for kinetic energy

4)      Know the unit of power is watt, and know the formula for power

5)      Remember potential energy is energy of position, or location or stored energy

6)      Know the law of conservation of energy

7)      Know the definition of momentum

8)      Know that with machines, work input equals work out put

9)      Know the definition of mechanical advantage

10)   Know the definition of efficiency

11)   Review the question and fill in the blanks worksheet

Study Guide For Physics end of semester  Part 1

Review problems from the text and previous work sheets.  Remember to write out the variable given for each problem and then write the possible equations

1)      Review formula Velocity = distance / time

2)      Fnet = Mass x acceleration

3)      Review the constant speed

4)      Remember that rate is something divided by time

5)      Memorize the formula for acceleration:  a = Vf – Vi /t

6)      Interpretation of graphs

7)      Review free fall problems  D  = Vi t  + 1/2at²

8)      Free fall  D = 5t²

9)      Review the definition of inertia, acceleration

10)   Remember that 1 pound is equivalent to 4.48N

11)   Review Newton’s Third Law

12)   Remember the formula W = mass x gravity.  (use 10 m/s for gravity)

13)   Chapter 4 Fill in the blanks. Which scientist first publish his idea that the Earth moves around the sun?

1)      Is acceleration directly or indirectly proportion to mass?

2)      Know the difference between velocity and acceleration

3)      Study all the vocabulary words from chapter 5 for the test

4)      Know the triangle arrangement to calculate force, mass, and acceleration

5)      Review the worksheet- Newton’s Second Law