Primary challenges (ages 5-11)

Typically completed by 5-11 year olds, CREST Star and SuperStar challenges relate to everyday experiences. Children complete eight activities to gain a CREST Award, with each activity taking between 45 minutes and one hour to complete.

The activities are designed to be easy-to-run and low-cost. You don’t need to be a teacher, have a science background or have access to specialist equipment to run them. The packs contain helpful hints and tips for you to use, explaining the scientific themes and offering guidance on conversation topics for your children.

There are more CREST approved resources that have been developed by our partners and providers specific to your region.

To browse the packs, click the buttons below or scroll down.

5 years ago

All SuperStar challenges

  • Text
  • Handson
  • Stem
  • Challenges
  • Discussion
  • Explore
  • Create
  • Experiment
  • Investigate
  • Toothpaste
  • Materials
  • Glue
  • Tomato
  • Yoghurt
  • Superstar
The activities in this pack have been selected from our library of CREST SuperStar challenges. Children need to complete eight challenges to achieve a CREST SuperStar Award. If you want, you can mix and match challenges from different packs, as long as children complete eight SuperStar challenges. This resource is published under an Attribution - non-commercial - no derivatives 4.0 International creative commons licence (

Drifting Dandelions Help

Drifting Dandelions Help our Ravenous Rabbits! We had lots of dandelions around our school but Mr Cleanup, the caretaker has dug them all up! Now we don’t have any dandelions to give to our pet rabbits. Mrs Teachem, our headteacher, said that dandelions always come back. Do you think she’s right? Class 6 Activity Card Your challenge Help Class 6 to find out how dandelions spread their seeds and how they might help dandelions to come back to their school. Discuss Look closely at dandelion seed heads using magnifying glasses. Where are the seeds? What are they attached to? People sometimes call them parachutes. Why do you think that is? How far do you think the seeds from one flower can spread? How will you find out?

Getting started Find all the places where dandelions are growing nearby. Do they grow everywhere? How do seeds help them to spread? How do the seeds travel from one place to another? How far do they go? How will you record where they travel? You could try blowing at a dandelion head or holding it in the wind. Test your ideas Start investigating dandelions. Were your answers to the questions right? Share your ideas You could share photographs of dandelion investigations. Can you make a big model of a dandelion seed? Write a letter to Class 6 explaining how dandelions might come back. Extra things to do Find out why they are called dandelions. Find out about other ways that dandelions spread. Find out if people use dandelions for anything. Find out how other plants spread their seeds. British Science Association Registered Charity No. 212479 and SC039236

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Star level

Collections of one hour challenges recommended for children aged 5-7 years that relate to children’s everyday experiences. Find out more about this level and how to gain a CREST Award on the CREST Star page.

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SuperStar level

Collections of one hour challenges recommended for children aged 7-11 years that realate to broader situations that children are likely to have come across. Find out more about this level and how to gain a CREST Award on the CREST SuperStar page.

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