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Chemical Changes - ESO 2 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science2/6

ESO 2 Science 6. Physical changes vs. chemical changes. Chemical equations. Reactants vs. products. Conservation of mass in chemical reactions: the law of constant proportions; balancing chemical equations. Energy changes during chemical reactions. Simple chemical reactions: metals with non-metals, oxidation, combustion, formation of acids, formation of salts. Physical changes are those in which the substances that make up a physical body remain the same when the body undergoes a change. But the wine and...

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Cells and Vital Functions - ESO 2 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science2/7

ESO 2 Science 7. Cells and Vital Functions. Structure and function of the main organic and inorganic biomolecules. Main types of cells; organelles and cellular regions. Cellular nutrition. Anabolism and catabolism. Autotrophic and heterotrophic nutrition. Photosynthesis and respiration. Cellular interaction: examples from the five kingdoms. Cellular reproduction: main general types. The vital functions under the scope of the process of natural selection. Mind Map: What living beings have in common. Integ...

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The Atmosphere and the Weather - ESO 1 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science1/3

ESO 1 Science 3. The Atmosphere and the Weather. Origin, evolution and composition of the Earth's atmosphere. Structure of the Earth's atmosphere. Weather: types of clouds, cyclones, anticyclones, wind and precipitations. Full lesson on the weather with good coverage of the following topics: atmosphere, water cycle, storms, ice and snow, forecasting and climate change. Atmosphere's Structure, Composition and Features. The Atmosphere in Geography4kids.com. Composition of clean air. JetStream - Online Scho...

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The Ecosphere and the Ecosystems - ESO 2 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science2/11

ESO 2 Science 11. The Ecosphere and the Ecosystems. Why is there Life on Earth. Biomes: concept, main types on Earth. Ecosystems: concept and components. Habitats and ecological niches. Land ecosystems: main types and features. The formation of soil. Aquatic ecosystems: main types and features. Anthropogenic ecosystems: main types and features. Feeding interactions: producers, consumers and decomposers; food chains and food webs; trophic pyramids. Other biotic interactions: interspecific and intraspecific.

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The Water and the Hydrosphere - ESO 1 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science1/4

ESO 1 Science 4. The Water and the Hydrosphere. The water in the Earth: occurrence, water bodies, natural aqueous mixtures vs. distilled water, continental waters vs. marine waters. The water cycle and its reservoirs. The molecule of water. The density of water. Water and life: the roles of water in living beings and the adaptations of living beings with regards to water. The Earth's water cycle involves the following main physical processes:. Is the transfer of water from living beings into the atmosphe...

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Interaction and Coordination in Living Beings - ESO 2 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science2/9

ESO 2 Science 9. Interaction and Coordination in Living Beings. The role of interaction in the living beings. Interaction in animals (I): stimuli and receptors. Interaction in animals (II): the need of a coordination process; the nervous systems. Interaction in animals (III): effectors. Interaction in plants: tropisms and nastics. Coral spawn by moonlight. Scientists have puzzled over how corals get to know when to have sex: this video shows that it's the moonlight what makes some of them romantic. Scien...

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The Plant Kingdom - ESO 1 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science1/8

ESO 1 Science 8. Main groups: bryophytes, pterydophytes, gymnosperms and angiosperms. Nutrition: photosynthesis vs. respiration; role in the carbon cycle. Vocabulary: Types of Plants. Terrestrial plants that lack a vascular system, are dependent on environmental moisture for reproductive and nutritive functions, and that disperse spores for reproduction. The group includes mosses, liverworts and hornworts. Vascular flowering plants in which the ovules are not protected by an ovary. As they don't have...

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Light - ESO 2 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science2/4

ESO 2 Science 4. Light is the transmission of EM waves. Transmission of light: speed and pathway. Behaviour of materials with regards to light: transparent, translucent and opaque. Reflection and refraction of light. Learn about refraction of light and know some examples. Movies, Animations and Audios. Learn what makes tomatoes be red and black colour warmer than white. Sun's radiation spectrum (I). Sun's radiation spectrum (II). Sun's radiation spectrum (III). Imágenes de Google. ESO 3 B and G. All of t...

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Reproduction in Living Beings - ESO 2 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science2/10

ESO 2 Science 10. Reproduction in Living Beings. The role of reproduction in the living beings. Asexual reproduction in animals. Examples. Sexual reproduction in animals. Embryonic development. Asexual reproduction in plants. Examples. Sexual reproduction in plants. The flower. Vocabulary: Flowers and Sexual Reproduction in Plants. Or hermaphrodite flowers. They have both functional male parts (stamens capable of producing pollen) and functional female parts (pistil capable of producing seeds). Said of a...

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Prokaryotes, Protozoa, Algae and Fungi - ESO 1 Science - Science Helpdesk

http://www.sciencehelpdesk.com/unit/science1/7

ESO 1 Science 7. Prokaryotes, Protozoa, Algae and Fungi. Prokaryotes: bacteria: occurrence, diversity (ecology, nutrition), cyanbacteria, how they affect human life. Protozoa: common features, differences with animals; diversity. Algae: common features, differences with plants; diversity. Fungi: common features, differences with plants and animals; diversity; classification; anatomy of mushrooms; common mushrooms. Learn about all those microscopic critters that exist everywhere around us. Life on our skin.