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OECD Publishing, 2019
Problems associated with the environment loom large over the future well-being of young generations. A previous issue of PISA in Focus (PISA in Focus 87) shows that in 2015 many 15-year-old students believed that the future -- their future -- was going to be worse, environmentally, than the present. In particular, only a minority of students…
Descriptors: Positive Attitudes, Foreign Countries, Achievement Tests, International Assessment
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Martinez Vilalta, Jordi; Sauret, Miquel; Duro, Alicia; Pinol, Josep – Journal of Biological Education, 2003
In this paper we present a simple set-up that illustrates the mechanism of sap ascent in plants and demonstrates that it can easily draw water up to heights of a few meters. The set-up consists of a tube with the lower end submerged in water and the upper one connected to a filter supported by a standard filter-holder. The evaporation of water…
Descriptors: Foreign Countries, Botany, College Students, Ecology