p2c,b2c,c2c

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  • Created by: marina
  • Created on: 01-06-10 11:38

C2C-DOES THE EARTH MOVE?

1.What is subduction?

2.What makes the plates move?

3.What are 2 arguments that support the theory that all the continents were once attached together?

4.Even though it is dangerous to live near a volcano, why do some people choose to live there?

5.Fill in the gaps: ____________ crystals-rocks cool quickly. _____________ crystals-rocks cool slowly.

6.Which is safer, iron-rich basalt lava or silica-rich rhyolite lava?

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1.When the oceanic plate, which is more dense, slips under the less dense continental plate.

2.Convection currents in the magma under the tectonic plates.

3.-the geology of Africa and South America are similar.

-Continents look like they would fit together.

4.The land is very fertile.

5.Large crystals-rocks cool quickly. Small crystals-rocks cool slowly.

6.Iron-rich basalt lava is runnier and slightly safer.

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P2C-FUELS FOR POWER

Nuclear power e.g Uranium. It is a non-renewable resource. It doesn't contribute to global warming. The waste is radioactive and can be harmful. It has ionising radiations that can cause cancer. Plutonium is one of the waste products.

Power (W)=Current(A) x Voltage(V)

Energy supplied(KWH)=Power(KW) x Time (h)

Total cost (p)= Kwh x cost per unit (p)

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B2C- THE FOOD FACTORY

1.What is the word and symbol equation for photosynthesis?

2.Name 4 ways Glucose can be used.

3.Starch is _____________.It _____________ affect the concentration inside the cells.

4.What happens to the rate of photosynthesis when the temperature is past 45'C?

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B2C- THE FOOD FACTORY

1.What is the word and symbol equation for photosynthesis?

2.Name 4 ways Glucose can be used.

3.Starch is _____________.It _____________ affect the concentration inside the cells.

4.What happens to the rate of photosynthesis when the temperature is past 45'C?

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1. Carbon dioxide + water = oxygen + glucose

2.Can be converted into energy, proteins for growth and repair, starch,fats and oils that can be stored in seeds, cellulose for plant cell wallls

3. insoluble; doesn't

4. The temperature is no longer the limiting factor, the enzymes are destroyed so the rate of photosynthesis goes back to zero.

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