Low-resource or low equipment sharing resources


The resources on this page have been selected to support educators in finding CREST project ideas that require little equipment, can be run outside of a lab or at home, and use equipment that doesn’t require much sharing.

Find out more about the different CREST Award levels here: CREST Awards.

At primary level, our curated home learning packs don’t require many resources so they’re perfect to use either in the classroom or at home. For Primary teachers who have CLEAPSS access, we recommend this piece on doing Practical activities within your bubble.

At secondary level, each project brief has an overall challenge, ideas for getting started and a list of resources you might need. Read the health and safety section carefully before you begin. Young people should create a plan for their project and a risk assessment before they begin any practical activity. You can use the CLEAPSS student safety sheets as well as the rest of the CLEAPSS website to help them.

If you are looking for further advice on how to get started with CREST, visit our help centre and check out our FAQs.

If you are looking for ideas for running CREST at home, many of the below resources are suitable, and you can still access our Star and SuperStar Home Learning packs below. If you need further support, check out the CREST at home section of the Help Centre.


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1 year ago

SuperStar Home Learning

  • Text
  • Superstar
  • Rafts
  • Rocket
  • Shapes
  • Registered
  • Raft
  • Glue
  • Rockets
  • Association
  • Spinners
  • Yoghurt
This resource is published under an Attribution - non-commercial - no derivatives 4.0 International creative commons licence (https://creativecommons.org/licenses/by-nc-nd/4.0/).

Yummy Yoghurt Makers

Yummy Yoghurt Makers Organiser’s Card About the activity This activity is designed to get children thinking about reversible and irreversible reactions. The children have been sent an email by Mita Gabbar on behalf of Practical Action, who help farmers turn milk into yoghurt in rural Bangladesh in order to make the most money. Can the students help to find the most delicious flavour? Through this activity you will support your group to: • Make different varieties of yoghurt • Conduct a taste test scientifically • Record and present their results to the group • Think about the lives of those living in a developing country` Kit list • Different types of milk (full fat cow’s milk, skimmed and/or semi-skimmed cow’s milk, goat’s milk, sheep’s milk, soya milk, almond milk, etc). • Flasks • Saucepans • Cooker, hot plate or some other source of heat • Large spoons for stirring • Small spoons for tasting • Yoghurt (make sure it is ‘live’ yoghurt) • Dried milk powder (if using) • Ready-made yoghurt samples, prepared the day before • Blindfolds made from pieces of fabric • Thermometer • Selection of finely chopped or pureed fruit What to do 1.Prepare a selection of yoghurt samples the day before this activity so that children can test them. Remember to use a variety of milks. 2. Introduce the activity using the email from Mita. Children may be surprised that in other countries children don’t always go to school. Tell them how people around the world are trying to change this as one of the Global Goals. For information go to https:// www.globalgoals.org/4-quality-education/ 3. Give out activity cards and equipment to the children. 4. Encourage children to discuss their ideas and how they will use the resources to carry out their investigations. 5. Encourage the children to predict the type of yoghurt the different milks will make. Will the yoghurt be thick, runny, sweet or sour?

6. Help the children to make their own batches of yoghurt using different ingredients. Make sure you have a ready-made yoghurt sample for each of the types of milk the children will be using to make their own yoghurt. 7. Support children to conduct their investigation and make their own records of their results. Allow the children to do blind taste tests of the ready-made yoghurt samples. Can they guess which milk was used to make each yoghurt sample? Were their predictions right? Children can vote for their favourite yoghurt. Can they make it even tastier by adding chopped or pureed fruit? 8. Ask the children to present their findings to the rest of the group, they can be as creative in their presentation as they want e.g. they could make a pictogram of each person’s vote to show which yoghurt was the most popular. They could write to Mita to tell her what they found out about making yoghurt and to share their recipes. Things to think about To make 500ml of yoghurt you will need 500ml of any milk and 3 tablespoons of fresh, live, plain yoghurt. Using 25g of dried milk powder for every 500ml of milk will help your yoghurt set. Some types of milk take longer to set. Heat the milk in a saucepan. When the milk reaches 46°C take it off the heat and stir in the yoghurt. The temperature of the milk is important. Help the children measure the temperature of the milk carefully. Pour the mixture into a flask and leave overnight. In the morning it should have thickened and turned into yoghurt. Making yoghurt is an irreversible reaction. Once the bacteria have fermented the milk you cannot turn it back into milk. This activity it a good opportunity to think about which reactions they know that are reversible, for example turning water into ice. Keywords • Yoghurt • Cultures • Fermentation • Reactions Watch out! Emphasise washing hands and keeping work spaces and equipment clean when preparing food. Ensure adult supervision when children make the yoghurt. Check for any food allergies. Find out more In developing countries like Bangladesh, education is especially important. However, with no national provision, families have to pay to send their children to school. Making and selling yoghurt is one way that families can generate an income for school fees. To help pupils find out more about the lives of children in Bangladesh take a look at some of Practical Action’s other activities for Primary including the Floating Garden Challenge, an investigation into growing food in areas of Bangladesh prone to flooding. practicalaction.org/primary British Science Association Registered Charity No. 212479 and SC039236

Challenges for ages 5-11


These challenges take about an hour each. Once you have completed eight of them you can get a CREST SuperStar Award. Start by downloading the Passport. Children can use this to record each activity they complete.

Our curated packs for home learning require very little equipment or resources, so are ideal now that you are back in the classroom. They also add flexibility as students can finish their Star or SuperStar Award at home, if needed.

Each challenge has an organiser card and an activity card. All the instructions to set up the activity are in the organiser card. Read the 'watch out' section carefully before you begin. Children can use the activity card or you can read it through together.

Find out more about Star and SuperStar levels here.


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Projects for ages 11-18


Each of these projects take between ten and thirty hours to complete. The project briefs have an overall challenge, ideas for getting started and a list of resources students might need. Before they begin, students should read the health and safety section carefully. Once students have completed their projects, they can get a CREST Discovery, Bronze, Silver or Gold Award. The amount of time spent on the project and how well they met the CREST criteria determines the level students will be awarded.

Start by downloading the relevant Workbook or Profile Form below. Young people can use these to help them complete their project and record their progress.

Young people should create a plan for their project and a risk assessment before they begin any practical activity, which should be checked by a teacher. You can use the CLEAPSS student safety sheets as well as the rest of the CLEAPSS website to help them.

For Bronze projects, once a student has completed their project, you can sign up to assess it and order their personalised certificate here. Bronze assessment is incredibly easy and can also be adapted for at-home learning if needed due to unexpected lockdowns, meaning parents can always assess when teachers cannot. Check out how to assess a Bronze project here

For Silver and Gold projects student work will need to be submitted online and will be assessed by a CREST assessor. Learn more about assessment for Silver Awards here

Find out more about Bronze level here.

Find out more about Silver level here.

Find out more about Gold level here.


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