This worksheet explains to students how to calculate Rf values. Chromatography.

These are 12 picture cards each describing a different stage of the rock cycle. They can be cut out and arranged by the students. Could be a 15 minute activity on its own, or could be a longer activity if you ask the students to use the cards as a basis for making their own poster.

This is an activity suitable for a lesson or as a piece of homework. It is designed to develop literacy and promote an interest and awareness in science. The students find a science based news story published in the last 7 days that they find interesting. They pick out keywords and find definitions for them. They research additional information and summarise the story in their own words.

This card sort activity allows students to create a flow diagram explaining the processes in different types of electricity generation. They can also describe the energy transfers that take place. They can build flow diagrams for coal, oil, gas, nuclear, tidal, wave, geothermal, wind & solar energy.

In this activity students draw a graph modelling the rate of decomposition of hydrogen peroxide. Then sketch and explain how the curve changes with increasing concentration, a catalyst and increasing temperature.

An activity that allows students to build a food web and work out the numbers of animals. Then asks them to see how changing the numbers of one animal changes the rest of the web. Requires: String, scissors and counters. Sheets need printing and photocopying. Includes results table and questions and a completed results table for the teacher. Also includes slides to incorporate into your lesson to review the activity. There is a version which is for more advanced students and a lower ability/starter activity version which is just to build the food web.

This is a lesson on variation. It involves an activity where the class are split into groups, each one getting a feature of their classmates to measure. They then produce a graph of the their results. The graphs can be compared and types of continuous and discontinuous variation discussed. Resources needed: Tape measures, meter rulers and graph paper. Several printouts of the experiment sheet will also be needed.

I made this for a Year 10 group doing the Greenhouse effect as part of P2 in the OCR Science GCSE. Printed/photocopied onto on A3. Can be completed with access to textbooks or with the internet. Includes both PowerPoint slide and JPEG

Written for AQA C1 - Atoms, elements and compounds. But can be used at KS3. Print in colour on A3. Students need Molymod kits, the worksheet directs them to build different models of molecules and identify if they are elements or compounds.

These are a selection of practical investigations for KS3 Science, suitable for use with the Working Scientifically section of the 2014 syllabus. Included are guidance for each investigation, a scaffolded investigation sheet, a mark scheme and a student challenge sheet. The investigations are designed to be easily marked and leveled using criteria adapted from APP guidelines. I intended to add to these over time.

These are lessons, assessment materials, resources and a scheme of work for the entire 1st year of the OCR A Chemistry A-Level Course (or the whole AS Course). However, can be adapted for other A-Level Chemistry specifications.

A 10 minute activity where students match names of organic molecules to their skeletal, structural or full structural formula. Useful as an introduction to organic chemistry or as revision.

This is an investigation into the effect changing the concentration of hydrochloric acid has on its rate of reaction with magnesium. This is intended as a short project over several lessons to get students used to some of the factors needed in an investigation write-up. Includes student investigation sheet, mark scheme and grading information. The mark scheme is written with the students in mind, the intention is to give it to them with the student guide to encourage them to get maximum marks and or as a tool for peer-assessment.

This is a worksheet which supports a carousel of 6 experiments where students add reagents in test-tubes and make observations. They then use scaffolding on the sheet this to build word and symbol equations. They are then challenged to balance the equations and add state symbols. This is intended as a 20-30 minute activity to help students develop skills in creating equations based on reactions.

A worksheet for a practical chemistry experiment where students investigate displacement reactions. Using a spotting tile, students react combinations of metals and salt solutions, then idntify which ones have reacted. They then compare their results to the reactivity series and try to write word equations for what the have seen.

The aim of this experiment is to use results of a titration to perform a calculation linked to a real life example of measuring sulphur dioxide emissions from a power station. The scenario is that students are given a solution of sulfuric acid produced when waste gas from a power station is bubbled through hydrogen peroxide. They perform a titration the sulfuric acid against a known solution of sodium carbonate then use the results to calculate the mass of sulfur dioxide in the waste gas. Included in the PowerPoint is an introduction to the experiment, teachers notes, results table, instructions for students, advice on performing titrations and how to do the calculations. Depending on the group, different levels of support can be given.

This is a card sort activity to help students to write the electronic structure of elements and ions. The triangles can be cut up and matched together to build a triangle. This is a 10 minute activity that can be used at the start or end of a lesson.

These are slides which can be printed and given to the students as cards for a 10 minute card sort activity to support a lesson on atomic spectra. It helps them understand atomic emission and absorption spectra in terms of adsorption and emission of photons by the electrons in an atom. Included is a pdf with 4 cards on each page and the original PowerPoint from which they were made.