PHYSICAL SCIENCE OBJECTIVES (9TH GRADE)

DECEMBER 1999


MECHANICS

OBJECTIVE

STATE

NATIONAL

1. Students will be able to calculate the effect of forces on the motion of objects, with relation to Newton’s Laws.

6.08C

6.03D1a

6.08C

4A1a,2a,3a

2. Students will be able to understand gravity as a universal force that each mass exerts on any other mass.

 

6.03.D1b

 

4B1b

3. Students will be able to calculate and describe the motion of objects with regard to displacement, velocity, and acceleration.

   

4. Students will be able to distinguish between potential and kinetic energy in a gravitational field.

6.03E1b

5B

5. Students will be able to calculate work with the work equation.

   

6. Students will be able to calculate potential and kinetic energy with the appropriate equations.

   

7. Students will be able to define power and calculate power with the appropriate equations.

   

8. Students will be able to recognize how mechanical energy can be converted into other forms of energy.

   

9. Students will be able to recognize that the total amount of matter and energy in the universe is constant.

6.03E1a

5A1a,1b

10. Students will be able to define friction.

   

 

ELECTRICITY

OBJECTIVE

STATE

NATIONAL

1. Students will be able to explain electricity in regard to the theory of charged particles.

 

 

2. Students will be able to investigate and understand electrical force as a universal force that exists between any two charged objects.

 

6.03D1c

4D1d

4C1c,2c

3. Students will be able to recognize that objects become charged because of the movement of electrons.

 

 

 

4. Students will be able to explain why electricity flows easily through a conductor, but does not flow easily through an insulator.

 

 

 

OBJECTIVE

STATE

NATIONAL

5. Students will be able to use Ohm’s Law to solve simple circuit problems.

   

6. Students will be able to describe how the composition and temperature of a material affects electron flow.

 

6.03F1f

 

6D1d.2d

7. Students will be able to describe the components of a series and parallel circuit.

   

8. Students will be able to construct and diagram series and parallel circuits.

   

9. Students will be able to calculate the difference in amount of current, voltage, and resistance in series and parallel circuits.

   

10. Students will be able to describe the field around a magnet.

   

11. Students will be able to explain the cause of all magnetic effects.

 

4E1e

12. Students will be able to describe an electric field and magnetic field and compare the interactions between them.

 

6.03D1d

 

13. Students will be able to state how a magnet can be used to generate an electric current.

   

14. Students will be able to compare and contrast alternating current and direct current.

   

15. Students will be able to describe how an electric generator works.

   

16. Students will be able to identify the types of circuits used in the home.

   

17. Students will be able to construct a simple electric magnet.

   

18. Students will be able to describe how the strength of an electromagnet can be increased.

   

19. Students will be able to explain how wattage expresses the relationship between current and voltage.

   

 

SOUND

OBJECTIVE

STATE

NATIONAL

1. Students will be able to describe how all waves have energy and transfer energy.

6.03F1a

6A

2. Students will be able to illustrate and calculate how wavelength and frequency of waves are inversely related.

 

6.03F1c

 

6B2b

3. Students will be able to understand that the energy of waves can be changed into other forms of energy, just as other forms of energy can be transformed into wave energy.

 

 

6.03F1d

 

 

6A

4. Students will be able to recognize the differences between various sounds.

 

 

 

5. Students will be able to classify sounds by their pitch, loudness, duration, quality and purity.

 

 

 

CHEMISTRY

OBJECTIVE

STATE

NATIONAL

1. Students will be able to estimate the size of objects using exponents of 10.

   

2. Students will be able to explain why models are used as representations of reality.

6.01B1a

6.01B1a

3. Students will be able to identify the smallest part of an element as an atom.

 

1A1a

4. Students will be able to list the components of an atom, their charge and location within the atom.

6.031a

1A2a

5. Students will be able to list the similarities among the atoms of an element.

6.03B1b

1B1b

6. Students will be able to describe how the structure of an atom determines the chemical properties of an element.

 

6.03B1c

 

2A1a

7. Students will be able to recognize the relationship between atoms, molecules, elements, and compounds.

   

8. Students will be able to identify atoms or molecules by spectral analysis.

6.03B1e

6C1c

9. Students will be able to explain the Periodic Table of elements in terms of repeating patterns.

6.03B1b

2B1b2b

10. Students will be able to explain how the interactions among the molecules of a compound determine physical and chemical properties.

 

6.03B1d

 

2D1d

11. Students will be able to describe common chemical reactions.

6.03C1a

 

12. Students will be able to explain how chemical interactions release or absorb energy.

6.03C1b1c

3B1b2b

OBJECTIVE

STATE

NATIONAL

13. Students will be able to discuss chemical reactions in terms of bond formation by electron transfers.

6.03A1c

2C1c2c3c

14. Students will be able to describe the factors influencing the rates of chemical reactions.

   

15. Students will be able to describe how the use of the catalysts accelerates chemical reactions.

6.03C1e

2E1e

16. Students will be able to explain the differences in the three states of matter.

   

17. Students will be able to explain the roll of energy in phase changes among the three states of matter.

6.03B1e

2E1e

18. Students will be able to explain what happens to substances if heated or cooled.

 

5C1c

19. Students will be able to explain the energy flow in terms of conduction, convection, and radiation.

6.03E1c

5D2d

20. Students will be able to use the gas laws to explain changes in volume and pressure of gases.

   

21. Students will be able to explain how systems tend to become less organized and more disorderly over time.

 

6.03E1d

 

5D1d

22. Students will be able to describe how carbon atoms bond together in chains, rings, and other structures to produce large molecules essential to life.

 

6.03B1f

 

2F

 

RADIOACTIVITY

OBJECTIVE

STATE

NATIONAL

1. Students will be able to describe the radioactive process.

6.031b1c

1D1d2d

2. Students will be able to list the 3 basic emissions of radioactive decay.

6.031b1

1D1d2d

3. Students will be able to distinguish between fission and fusion.

 

1C2c3c

4. Students will be able to relate the energy source in radioactive decay.

 

 

5. Students will be able to state how nuclear energy can be transformed into other forms of energy.

 

 

5A1a2a

6. Students will be able to diagram the basic parts of a nuclear power plant.