Natural Science · 3.º de Primaria · Ficha de repaso

Unit 5: We save energy

Matter and materials, heat and changes of state, pure substances and mixtures, and saving energy.

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3.º de Primaria · Natural Science · Unit 5: We save energy · Ficha de repaso

States of matter

A mixture has two or more substances: salad, sand and water. A pure substance has only one: water, gold.

Turn off the lights, close the windows when the heating is on, use renewable energy.

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Unit 1We have healthy habitsLife processes, the body and its organs, how we move, stages of life, the senses, feelings and healthy habits.27 preguntas · unos 15 minFichaFácilA BDifícilA+B+
Unit 2We protect animalsHow animals feed, interact and reproduce; vertebrates and invertebrates; molluscs and arthropods.17 preguntas · unos 10 minFichaFácilA BDifícilA+B+
Unit 3We take care of vertebratesFish, amphibians, reptiles, birds and mammals, and why animals are important.16 preguntas · unos 10 minFichaFácilA BDifícilA+B+
Unit 4We preserve ecosystemsWhat an ecosystem is, food chains, other relationships between living things and the main ecosystems.15 preguntas · unos 10 minFichaFácilA BDifícilA+B+
Unit 5We save energyMatter and materials, heat and changes of state, pure substances and mixtures, and saving energy.12 preguntas · unos 10 minFichaFácilA BDifícilA+B+
Unit 6We use technology safelyThe computer and what it does, the internet and online risks.16 preguntas · unos 10 minFichaFácilA BDifícilA+B+

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