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28 Cards in this Set
- Front
- Back
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1. Name the 6 renewable energy types. |
Wind Power Bio Fuel (Poo Power) Wave Power Hydro-Electric Power Geo Thermal Power Solar |
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2.How do Hydro-Electric Power Work? |
There is a reservoir and flood gates. The flood gates open flows out of the gate into a penstock and when it reaches the end it flows into a turbine. The turbine spins really fast and the power from the spinning goes into a power house which generates the electricity. |
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3.Does a bunsen burner deliver more thermal energy with the air hole open or closed? |
Open hole. |
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4. What sort of energy takes place when rubbing your hands together? |
Kinetic Energy |
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5. What sort of energy takes place when striking a match? |
Potential (chemical) Energy |
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6.What is conduction? |
Heat moving through a solid. |
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7. What are metals a good conductor of? |
Metals are a good conductor of heat. |
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8. Why does heat travel by convection in fluids? |
Because the particles can move around and spread heat energy. |
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9. What will happen if we drop a purple crystal into water and heat the beaker underneath the crystal? |
The crystal will begin to dissolve. |
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10. What is the equation for Distance, Speed and Time? |
V= D/T Speed = Distance/Time |
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11. A girl takes 30 minutes to travel around a cross country ski course: a distance of 10km. Calculate her average speed in km/h. |
T: 0.5 h D:10km S: ? V=D/T 10km/0.5 = 20 km/h |
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12. On a speed diagram if there is a line going straight what does this mean? |
The speed is stationary. |
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13. What is a force measured in? |
Newtons [N] |
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14. If two boys were playing tug of war one was pulling a force of 10 N the other of 8 N. Who would win? |
10 N 10 newtons |
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15. What is a independent variable? |
The thing that you changed. |
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16. What is a dependent variable? |
The thing you measured every time. |
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17. What is a control variable? |
The thing (s) you kept the same. |
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18. Name 3 unbalanced forces. |
Moving/changing speed Changing direction Changing the speed |
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19. What is a contact force? |
Where it is touching. |
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20. How do you find your mass? |
To find your mass times your weight by 10. |
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21. If your weight was 5.55kg. What would your mass be in n/kg? |
5.55 x 10N/KG = 55.5 N/KG |
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22. What is the equation of density? |
P = M/V Density = Mass / Volume |
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23.M = 200g V = 10cm3 P= ? What is the density? |
40/5 = 8g/cm3 |
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24. What is Pressure? |
Pressure is how much something is pushing on something else. |
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25. If a force is applied to a larger area the pressure will be ....................... |
Smaller |
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26. If a force is applied to a smaller area the pressure will be ....................... |
Greater |
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27. Equation for Pressure. |
Pressure = Force/Area Area = Force/Pressure Force = Pressure x Area |
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28. What is pressure measured in? |
Pascals (Pa) |
