English National Curriculum Science

2. Explain how a solution is made

Mission Objectives

Explain the terms "solvent", "solute", and "solution"

Explain the terms "solubility" and "saturation"

Describe how the solubility of substances in water changes with temperature

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KS3-06-02 Handout KS3-06-02 Handout PDF

Keywords

Words and meanings to learn

solvent

a liquid which can dissolve a solute

solution

a mixture which contains both a solvent and solute

saturation point

the point at which no more substance can be dissolved in a solvent

solute

the substance dissolved in a solvent, thus forming a solution

solubility

the amount of solute that can dissolve in a given amount of solvent at a specific temperature and pressure is known as the solubility of that substance; this can be affected by temperature and pressure, and can be expressed in various units such as grams per litre

This lesson has been written by

Dr Shannon Weldon

Shannon started her journey with Developing Experts by completing PHD placement while studying for her Doctorate in Developmental Biology at the University of East Anglia. Shannon has since joined the team full-time as a Project Manager working with the company's industry partners. Shannon knows a lot about chickens!

Dr Peter Klappa

Peter Klappa studied Biology (BSc Hons and MSc) at the Ludwigs-Maximilian University in Munich, Germany, where he also obtained his PhD in molecular and cellular biology. He is a National Teaching Fellow and a Senior Fellow of the Higher Education Academy. As a trained Biology and Chemistry teacher, Peter has taught sciences for over 30 years, both at pre- and post-entry to university. For his excellence in teaching, Peter has received numerous awards and prizes and was nominated for the Teacher of the Year award by the Higher Education Academy in 2015 and 2019.

Required Resources

Resources: A beaker of water, graduated cylinder, thermometer, test tube and a small amount of sugar and salt.

Core Handout: An investigation sheet and questions to accompany the Mission Assignment. 

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