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Introduction - Science and technology
EduBook Organización
- 3016 visitas
Progress in science and technology has improved our quality of life. New technologies have also led to the creation of computers and the Internet. Computers have become an essential part of most…
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End-of-unit activities - Science and technology
EduBook Organización
- 2957 visitas
Progress in science and technology has improved our quality of life. New technologies have also led to the creation of computers and the Internet. Computers have become an essential part of most…
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Before you start - Matter: Mass, Volume and Density
EduBook Organización
- 2931 visitas
Didactic objectives Learn that magnitude is a property that can be measured, and that the magnitude has an associated unit. Correctly express magnitudes. Recognise that units of magnitude have been…
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Fertilisation and the development of the zygote
EduBook Organización
- 2906 visitas
This diagram shows how a fetus is formed. Firstly, a zygote is formed from the fertilisation of an ovum from a woman by a sperm from a man. The zygote then splits into more and more cells. It develops…
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Interaction in animals
EduBook Organización
- 2903 visitas
1.1. What is interaction? Interaction is a function that allows living things to perceive information from the outside or from inside the organism and respond to changes that take place. 1.2. Stimulus…
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End-of-unit evaluation - Science and technology
EduBook Organización
- 2854 visitas
Progress in science and technology has improved our quality of life. New technologies have also led to the creation of computers and the Internet. Computers have become an essential part of most…
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WIRIS CAS, your calculator
WIRIS math Organización
- 1 lo usan
- 9330 visitas
WIRIS CAS is an online calculator designed for education. You can access a powerful calculation toolbar through an HTML page that includes integrals and limits calculation, function graphing in 2D or 3D…
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Light, shadow and penumbra
EduBook Organización
- 2798 visitas
3.1. Linear propagation of light Light is an electromagnetic wave that propagates in a straight line in all directions. Each of the directions that light propagates in is called a ray. This phenomenon…
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Reflection and refraction of light
EduBook Organización
- 2773 visitas
Objects reflect light When light shines on an object, sometimes it passes through the object and other times it reflects off it. When an object reflects light, we can see it. Mirrors A mirror is a…
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Echinoderms
EduBook Organización
- 2724 visitas
3.1. Echinoderms Echinoderms are animals that live at the bottom of the sea. They do not have a head. They have an external skeleton consisting of plates with spines. The majority of echinoderms have a…