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Learn to discover the starch in a leaf and see how stomata function
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1. Objective: to discover if starch is present in a leaf Plants store the glucose made during photosynthesis as starch. To test this hypothesis, a leaf will be examined for the presence of starch.…
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Did you know?
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In a hermaphrodite animal, the same individual produces eggs and sperm. Cross-fertilisation usually takes place in these animals: two individuals mate and each one behaves like a male and a female at…
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Think about it. Biotic factors
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Remember what you have studied in this section and answer the questions: What is the name for a relationship in which both species benefit? one species benefits and the other is unharmed? Give two…
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Invetigate. Learn to observe different kinds of change in matter
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In this experiment you will observe physical and chemical changes in matter. Follow the instructions carefully. Copy and complete the table below. Place a half spatula of calcium carbonate into a test…
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Check. Renewable sources of energy
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Remember what you have studied in this section and answer the questions: Ask a classmate to define panel, crop, blade, dam and harness. Give two different uses of solar energy. Describe how geothermal…
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Choose. Increase in heat and temperature
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Choose the correct answer: What is specific heat of a substance? What happens when a substance has a higher specific heat? What does a body with a larger mass need?
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Learn. Noise pollution - Waves. Light and sound
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Noise pollution Noise pollution is when there are sounds that are too intense and prolonged in a certain place. For example, sounds with an intensity higher than 55 decibels make it difficult for people…
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Final Autoevaluation T12 02 - Waves. Light and sound
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Match the definitions to the concepts: This happens when light rays bend as they pass through a transparent medium. They then pass to a different medium that is also transparent. This is an effect by…
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Classify. The demographic and agricultural revolutions
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Identify the causes and consequences of the demographic and agricultural revolutions:
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Match. From Romanticism to Realism
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Match each statement with the correct movement, Romanticism or Realism: They were interested in understanding the reality of the period and depicting it accurately. Their works represented a…