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Social dimensions of scientific knowledge: the ‘$5 bottle of hope’

Issue: February 2015 356

Author: Giuliano Reis

Extract: This case study on the biology of fertilisation requires secondary students to understand the social dimensions of scientific knowledge in order to advise a young couple trying to conceive.

Measurement of limiting factors in photosynthesis

Issue: February 2015 356

Author: Kate Andrews, Paul Beaumont and Kath Crawford

Extract: Measuring the effect of limiting factors on the rate of photosynthesis can be problematic but the use of carbon dioxide sensors opens up a range of possible investigations that might be undertaken.

Students’ involvement in learning science to break the constraints: a classroom experience

Issue: February 2015 356

Author: Ruchi Verma

Extract: Reflecting on activity-based teaching–learning of science under certain constraints in an Indian rural school and how students’ collaborative efforts helped to break these constraints.

Using molecular models in Tanzanian science teaching

Issue: February 2015 356

Author: Jane F. Canning and Joseph Kyobe

Extract: Molecular models are widely used in chemistry teaching in the UK; how helpful are they in the classroom in Tanzania?

Using birdsong to support the teaching of sound and graphs

Issue: February 2015 356

Author: James de Winter

Extract: Birdsong can be used to provide an alternative approach to teaching concepts such as pitch, frequency and amplitude as well as graph drawing skills.

Innovative IP camera applications for scientific investigation

Issue: February 2015 356

Author: Siew Wei Tho and Yau Yuen Yeung

Extract: An account of some examples showing the advantages of remote observation of experiments at any time of the day or night using a camera that can be accessed via the internet.

Measuring the mustard seed: an exercise in indirect measurement and mathematical modelling

Issue: February 2015 356

Author: Amit Dhakulkar, Nagarjuna Gadiraju and Samir Dhurde

Extract: A simple teaching–learning activity using commonly available mustard seeds as an introduction to mathematical modelling.

‘String theory’ in science lessons: the investigation of a notoriously knotty problem

Issue: February 2015 356

Author: Robert A. J. Matthews

Extract: The notorious ease with which headphone flex becomes knotted provides the basis for classroom projects showing how cutting-edge mathematics and experimental methods can cast light on this all-too-familiar phenomenon.

School students’ emotions about exploring a controversial issue

Issue: February 2015 356

Author: Maria Evagorou, Christiana Nicolaou and Chrystalla Lymbouridou

Extract: A teaching sequence focusing on engaging 11- to 13-year-old students in a controversial issue and exploring their emotions about various aspects of the learning process.

Engage and explore more: using literature to enrich inquiry learning

Issue: February 2015 356

Author: Shakari Lige, Angela Falter Thomas and Jodi J. Haney

Extract: What can a science teacher do about their struggling readers, unable to comprehend the textbook material, and how can they challenge advanced students desiring more? Integrate literature into the science curriculum!

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