9A Inheritance and Selection

Slides: 9
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Last modified: 13/2/2006

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Content Covered:

Variation, differences due to environment, sexual reproduction, cloning, asexual reproduction, selective breeding

9B Fit and Healthy

Slides: 12
Size: 0.43Mb
Last modified: 13/2/2006

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Content Covered:

Body systems, balanced diet, deficiency symptoms, the role of muscles and the skeleton, joints, the respiratory system, gas exchange in the lungs, damage caused by smoking, the effects of drugs.

9C Plants and Photosynthesis

Slides: 10
Size: 2.64Mb
Last modified: 13/2/2006

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Content Covered:

Photosynthesis, the structure of a leaf, palisade cells, starch test, root hair cells, how plants use water and what happens during photosynthesis.

9D Plants for Food

Slides: 5
Size: 2.74Mb
Last modified: 13/2/2006

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Content Covered:

Food chains involving plants, different types of food from plants, helping plants to grow, advantages and disadvantages of herbicides and pesticides.

9E Reactions of Metals

Slides: 7
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Last modified: 13/2/2006

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Content Covered:

Testing for hydrogen and salts, reactions of metals with acids, testing for carbon dioxide, reactions of metal carbonates with acids, reactions of metal oxides with acids, neutralisation reactions.

9F Patterns of Reactivity

Slides: 11
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Last modified: 13/2/2006

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Content Covered:

Properties of metals and non-metals, reactions of metals with oxygen and water, the reactivity series, displacement reactions.

9G Environmental Chemistry

Slides: 7
Size: 0.45Mb
Last modified: 13/2/2006

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Content Covered:

The contents of soil, acid rain and what causes it, air pollution, global warming, the greenhouse effect, changing the balance between respiration and photosynthesis.

9H Using Chemistry

Slides: 8
Size: 0.12Mb
Last modified: 13/2/2006

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Content Covered:

Burning fuels, diagrams of the chemical reactions in burning fuels and hydrogen, difference between burning fuels in varying amounts of oxygen, energy from displacement reaction, how batteries work, conservation of mass in reactions.

9I Energy and Electricity

Slides: 13
Size: 1.01Mb
Last modified: 13/2/2006

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Content Covered:

Different types of energy, energy changes, how electrical energy moves around circuits, fuels, renewable sources of energy, power stations, energy transfer diagrams.

9J Gravity and Space

Slides: 7
Size: 0.20Mb
Last modified: 13/2/2006

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Content Covered:

Gravity and what affects it, the difference between weight and mass, rocket flight, natural and artificial satellites.

9K Speeding Up

Slides: 12
Size: 1.45Mb
Last modified: 13/2/2006

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Content Covered:

Speed calculations, balanced and unbalanced forces, air resistance, terminal velocity explanation and graphs.

9L Pressure and Moments

Slides: 15
Size: 0.92Mb
Last modified: 13/2/2006

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Content Covered:

Basic ideas and questions on pressure calculations, gas pressure, hydraulic systems, levers, how to calculate turning moments, stability.