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Before you start - Matter and materials
EduBook Organización
- 3008 visitas
Didactic objectives Understand what matter and materials are. Recognise that objects are made up of matter. Distinguish between the three states of matter and identify solids, liquids and gases.…
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Investigate. The germination of pollen grains
EduBook Organización
- 2619 visitas
In this practical, you can see the germination process of pollen grains. Under normal conditions this takes place in the flower's stigma. Equipment A flower, a dropper, a microscope, a paintbrush, a…
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Learn. How to find out the age of a human foetus
EduBook Organización
- 2550 visitas
The approximate age of a foetus can be determined by scanning the mother's abdomen with an ultrasound machine. This method is usually used at a clinic to check that a pregnancy is progressing well…
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Learn to discover the starch in a leaf and see how stomata function
EduBook Organización
- 2552 visitas
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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Video: Nuclear Power
Esl video Organización
- 4008 visitas
This 1 minute video explains how water is heated to generate steam and then electricity in a nuclear power station. It focuses on the 3 water loops and doesn't go into details about nuclear fission.…
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Analyse. Learn which part of the plant is sensitive to light
EduBook Organización
- 3475 visitas
Plants respond to light stimuli. In this experiment, we will find out which part of the plant responds to these stimuli. Equipment 3 cardboard boxes that are open on just one side, oat seeds, 3…
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Analyse. Learn to build and calibrate a thermometer
EduBook Organización
- 2503 visitas
To build a simple alcohol thermometer you can use a conical flask containing alcohol (mercury is toxic), and a capillary tube. Equipment A container to boil water, two beakers, ice cubes, a capillary…
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A task-based approach
Educ.ar Organización
- 8708 visitas
Tasks can be classified into three types, basically: first-, second- and third-generation tasks. In first-generation tasks the basic goal is the development of communicative skills in a certain area of…
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