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What does it mean to be ‘proportional to’ (α) and ‘inversely proportion to?’

1. Know the meaning, equation, symbol and units of density. Be able to use the equation to answer questions relating to density.
2. What does it mean to be ‘proportional to’ (α) and ‘inversely proportion to?’
3. Be able to distinguish between speed, velocity and acceleration. In particular, know the following including knowing units.
4. Given an equation, describe how the dependent variable changes when the independent variables are adjusted.
5. Know the details of Newton’s 3 laws of motion.
6. What is the gravitational acceleration on Earth?
7. What is the difference between weight and mass? What are units for each?
8. What did Galileo say about falling objects?
9. What is a ‘force’ and ‘net force’ and know how they relate to acceleration.
10. What does Newton’s law of Gravitation say?
11. Know what the following are and know units. Be able to solve simple problems:
a. Work
b. Power
12. Know the definition of “Energy” and know what the following basic types of energy are dependent on. Know how to solve simple problems.
a. Kinetic Energy
b. Potential Energy
13. What does the “Law of Conservation of Energy” state? Be able to use this idea to solve simple problems.
14. What is the definition of temperature and what three temperature scales used?
Which one is the absolute scale and why?
15. Know the process behind the 3 modes of heat transfer.
a. Conduction
b. Convection
c. Radiation
16. Know the basics of the following type of energy sources, the advantages, disadvantages and whether it is renewable or nonrenewable.
a. Nuclear (fission and fusion)
b. Coal
c. Gas
d. Oil
e. Biomass
f. Geothermal
g. Solar
h. Wind
i. Tide
j. Hydroelectric
k. Wave
17. What are the 3 phases of a substance?
18. Be able to identify the following components of a wave.
a. Wavelength
b. Amplitude and wave height
c. Crest
d. Trough
e. Equilibrium position
f. Period (know units)
g. Frequency (know units)
19. Know the details of the 4 ways in which waves (light and sound) can interact with objects.
a. Absorption
b. Transmission
c. Reflection
d. Refraction
20. What makes up an atom and describe location, charge and relative size of each. Which of these is involved with electrical interactions?
a. Electrons
b. Protons
c. Neutrons

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