Recursos educativos objects página 49

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Understanding Uncertainty
Tiching explorer Organización
3264 visitas
With this lesson students will study the Heisenberg uncertainty principle and how it can only be applied to the subatomic world, not to the ordinary world of macroscopic objects. In the quantum…
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Materials and their properties - Matter and materials
EduBook Organización
2414 visitas
What are materials? Materials are the different types of matter that objects are made from. Some materials, like wood, cotton and wool, are found in nature. They are called natural materials. We use…
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A microscope
EduBook Organización
2387 visitas
A microscope is an instrument that magnifies very small objects, like cells, so that we can observe and study them. The main part of this instrument is a metal tube with a lens at each end: the eyepiece…
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Unit 3: Medieval cities
EduBook Organización
2378 visitas
Altarpiece (n): a work of art located above and behind the altar of a church. apprentice (n): a person who acts as assistant and student to a skilled craftsman. artisan (n): a craftsman skilled at…
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True / False. Properties of light
EduBook Organización
2356 visitas
Are these sentences true or false? Light sources produce light. There are natural light sources and artificial light sources. We can convert light from the Sun into electrical energy using solar panels.…
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Before you start - Light and sound
EduBook Organización
2236 visitas
Didactic objectives Identify light as a type of energy. Describe how light is produced. Understand the difference between transparent, translucent and opaque objects. Distinguish between the reflection…
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Video: Surprise Present
Esl video Organización
2104 visitas
In this 3 minute clip from "Sesame Street" Bert has got a present and Ernie assumes it is for him. He keeps guessing until he opens it and finds out it wasn't meant for him but for Bert's…
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Invasions and colonisations
EduBook Organización
2118 visitas
During the 1st millennium BC, different peoples arrived on the Iberian Peninsula. The Indo-Europeans came from the plains of Central Europe, across the Pyrenees, in a series of invasions. They first…
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Unit 7: Art in the 19th century
EduBook Organización
2114 visitas
Cast iron (n): a hard type of iron which does not bend; to make things from it, it must be melted and poured into moulds. colonnade (n): a row of columns. Corinthian column (n): a column with a fluted…
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Indefinite pronouns
EduBook Organización
1909 visitas
"Perhaps they didn’t examine everything.” There are four pronouns that begin with every- : everything, everybody/everyone, everywhere. We use everything for objects, everybody/everyone for…
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