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True/False. Light, shadow and penumbra
EduBook Organización
- 3949 visitas
Answer true or false: Each of the directions that light propagates in is called a ray. The shadow proves the existence of rectilinear propagation of light. There is no difference between the shadows…
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True / False. Properties of light
EduBook Organización
- 2306 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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Sustainable Houses (fact sheets)
Tiching explorer Organización
- 1 lo usan
- 13400 visitas
Set of printable (PDF format) sheets about environmental issues. We read about: energy, energy costs, energy sources, saving energy, and renewable energy.
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Website: Switched on kids
Tiching explorer Organización
- 2 lo usan
- 7438 visitas
This website provides animated explanations about the sources of electricity and electrical safety round the home. There are worksheets and online quizzes.
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Energy and cars: What does the future hold?
Tiching explorer Organización
- 1 lo usan
- 3903 visitas
Resource consisting of a lesson plan designed to understand the reasons why attitudes toward fossil fuel use and alternative energy sources may change over the next 50 years.
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Fossil Fuels 101
V&V Books Vicens Vives Organización
- 1 lo usan
- 2419 visitas
Fossil fuel is a term used to describe a group of energy sources that were formed when ancient plants and organisms were subject to intense heat and pressure.
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The Medieval Bestiary
V&V Books Vicens Vives Organización
- 2 lo usan
- 2111 visitas
An online repository of information on the Medieval Book of Beasts - the Bestiary - its history, meaning and sources; and on animals in the Middle Ages in general.
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Final Autoevaluation T12 01 - Waves. Light and sound
EduBook Organización
- 2354 visitas
Answer these questions: What two different waves can be classified? How can there be two different types of light sources. List some examples of linear propagation of light.
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Checking information
Tiching explorer Organización
- 3282 visitas
In this unit we learn ways to find out if sources of information are reliable. We learn how different people can have different views on the same subject.
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Light and dark
BBC Organización
- 1 lo usan
- 2990 visitas
Set of activities designed to help us learn about sources of light. The resource includes an interactive activity, readings, and a quiz.