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Why Do Some Things Rust?
V&V Books Vicens Vives Organización
- 1 lo usan
- 876 visitas
Today?s Wonder of the Day may look really old, but we promise it?s brand new!
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Just because it's not happening here doesn't mean it's not happening.
V&V Books Vicens Vives Organización
- 1 lo usan
- 801 visitas
A young girl's life gets turned upside-down in this tragic second a day video.
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Torture - Wikipedia, the free encyclopedia
V&V Books Vicens Vives Organización
- 999 visitas
Torture has been carried out or sanctioned by individuals, groups, and states throughout history from ancient times to modern day.
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Calorie Calculator
Esdres Jaruchik Organización
- 563 visitas
This calorie calculator estimates the number of calories needed each day to maintain, lose, or gain weight.
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The weather changes
EduBook Organización
- 2373 visitas
The weather changes. It changes from day to day and can change during the day. The weather also changes with the seasons. For example, it is hotter in summer and it rains more in winter. The weather…
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Sunrise sunset
Tiching explorer Organización
- 2908 visitas
In this lesson we are actively involved in learning about the apparent movement of the sun across the day sky. We read a story. We learn to relate time of day to the location of the sun. We practice…
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Science at NASA Goddard: Education Resources
Patricia Ruiz Estudiante
- 1 lo usan
- 13700 visitas
The Sciences and Exploration Directorate is the largest Earth and space science research organization in the world. Its scientists advance understanding of the Earth and its life-sustaining environment,…
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Calculate. The nature of light (2)
EduBook Organización
- 3855 visitas
Calculate how long it takes for solar light reflected by the Moon to reach the Earth. There is a distance of 384000 km between the Earth and the Moon. It will take s.
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Quick revision
EduBook Organización
- 2575 visitas
It takes the Earth one year to complete a revolution of the Sun. The Earth is tilted at an angle on its axis. This causes the different seasons of the year.
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Greenhouse effect
EduBook Organización
- 1541 visitas
Water vapour and carbon dioxide are involved in the greenhouse effect. The atmosphere acts like a greenhouse. The atmosphere holds part of the heat radiated from the Earth. This keeps the Earth's…