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Mite Attack
Type: Activity
Learning Strategy: Communication
Topic: Feeding relationships
A well-made bed looks harmless. Don't be fooled. It could be a serious health hazard! Dust mites thrive in warm, sweaty beds. They leave their faeces all over them. An allergen in their droppings can trigger asthma attacks. But we can fight back. The mites can't survive when it's cold and dry. So leaving beds unmade – to let sweat evaporate – can help get rid of them, and let asthma sufferers breath more easily.
The activity gives students the facts about dust mites and prompts them to design adverts to show teens how to deal with them.
Published: 27th January 2005
Reviews & Comments: 14
Learning objectives
Students will know how and why dust mites trigger asthma attacks; how dust mites are suited to life in a mattress and the factors that affect their abundance. They will also be able to suggest ways of cutting the mite populations in beds.
Try the activity
- Activity sheet
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Curriculum link
11 – 14 (KS3)Environment and feeding relationships [QCA 7C]
– describe how organisms are suited to their habitats.
Ecological relationships [QCA 8D]
– relate the abundance and distribution of organisms to the resources available.
Running the activity
Suggested time: 15 minutes to one lesson, depending on the type of advert students produce.
Suggested starter: If possible, project a large image of a dust mite as students enter the class. Ask them to guess what the animal is. Then ask which of them made their bed this morning. Can anyone guess the link between the questions? The main activity will reveal all . . .
Main activity: Project page 1. It shows newspaper headlines and outlines the task. The students need to make adverts to tell teens how to keep dust mites at bay and prevent asthma attacks. They will need to be told what type of advert to produce (radio, TV cartoon, or leaflet for doctors to distribute). Page 2 is a set Fact Cards containing the information they need. Ideally, this should be cut into cards before the lesson. Each group of 2 or 3 students will need their own set. They need to select cards that explain scientifically why and how we should reduce dust mite numbers.
Suggested plenary: Ask students to share their adverts with the rest of the class. Ensure scientific points about habitats, food and water sources, populations and evaporation are clearly made.
Background notes: House mites produce protein waste products that cause an allergy similar to hay fever. It is thought to be the most common cause of asthma. Vacuuming is fairly ineffective at removing dust mites from beds. The best strategy is to keep the bed cold and dry by allowing it to air and leaving the bedroom window open. Dust proof covers will stop allergens escaping from existing reservoirs in the pillows and mattress. Washing the bedding will kill mites and their eggs as long as the water is above 60 degrees Celsius. Hanging the bedding out in the sunshine is also very effective.
Web links
News links
- BBC
- A report linking asthma attacks and un-aired beds by Kingston University scientists.
- Ohio State University
- Useful background information about dust mites and asthma for teachers and students who read confidently.
- TheSahara.Net
- The site contains a selection of dust mite images - some huge and scary.
Reviews & Comments
Write your online review to share your feedback and classroom tips with other teachers. How well does it work, how engaging is it, how did you use it, and how could it be improved?
Chemistry/Physics
Jun 21st, 2012
Fantastic set of FREE resources for those moments when creativity is at a low and workload at a high. My kids love them!
Reviewer: Marsha Blissett
Mite Attack review
Apr 17th, 2010
Worked will with mixed ability Y8 - grim facts engaged them. Opportunity for team work and presentation to peers. Would use again.
Reviewer: Helen Rawlinson
Mite Attack
Oct 13th, 2009
With a little modification this proved to be a really good way of teaching the students not only about respiratory problems, but also about hygene aswell. They produced some lovely information leaflets and posters - and I think all went home and washed their pillows!!!
Reviewer: Helen Shepherd
Mite Attack!
Jun 15th, 2009
This was a big hit with my mixes ability year 7's.
They all enjoyed the lesson and some even changed their sheets and aired their bedrooms when they got home. 100% left their beds unmade and 1 even slept on the floor!?!
Reviewer: Catherine Sheffield-Kelly
Mite Attack review
May 16th, 2008
My year 8 group loved this activity, probably as there were some disgusting facts about dust mites. They produced some really good adverts and were engaged in the task.
Reviewer: Natalie Chapman
Mite Attack
May 13th, 2007
I used this activity with a Y7 group. They really enjoyed producing the advert, some putting theirs to music.
The information given on the cards was enough to give them an insight into dust mites and their adaptations. Students who had asthma found it particularly relevant.
They really enjoyed the fact that although tiny, dust mites are pretty gross. During their preparation it was interesting to hear their comments about how they could reduce population.
An excellent resource that I will certainly use again.
Reviewer: Colin Stott
Mite Attack
May 13th, 2007
I used this activity with a Y7 group. They really enjoyed producing the advert, some putting theirs to music.
The information given on the cards was enough to give them an insight into dust mites and their adaptations. Students who had asthma found it particularly relevant.
They really enjoyed the fact that although tiny, dust mites are pretty gross. During their preparation it was interesting to hear their comments about how they could reduce population.
An excellent resource that I will certainly use again.
Reviewer: Colin Stott
Dust mites
Oct 28th, 2005
Used this with a mixed year 9 group as a cover lesson with 35 students in it!!. The quality of the work produced in the hour by the majority of the students was excellent and some good discussion occured during the looking at the cards. I will certainly be using this activity again
Reviewer: Paul Andrew
Mite attack
Jul 11th, 2005
I used this with mixed ability year eight group who had just finished the environment and microbes topic. Many of them enjoyed the topic and were fascinated with the pictures of dust mites. we did this in an hours lesson where the groups did there advert and then presented it to the rest of the class.
Reviewer: Fairuz afreen
mite attack
Jul 5th, 2005
A good interesting lesson used with a low-mid ability group. The students who had an understanding of asthma I thought gained the most whereas the others benefited from an increase in their group skillworking, The posters where taken home and showed off to parents and carers.
Reviewer: dave craven
mite attack
Jun 24th, 2005
I used this with a mixed ability Y8 class as an intro to ecological relationships. On arrival, the students were greeted by a projected picture of a mite. They had to guess what it was. Most had no idea.
The info was then given to each student to construct an info booklet covering how mites are adapted, what causes asthma and how it can be reduced.
It was a more relevant and interesting way of discussing adaptation than simply going down the "polar bear/cactus" route! The grossness of the facts and imagery grabbed the students and really engaged all. They could cut out boxes to include in the booklet.
Brighter students had to link population size to available resources(old beds).
I will use this with low ability Y10 in ecology module.
Reviewer: margaret jordan
Mite Attack review
May 28th, 2005
I used this activity for an NQT assessment. I extended the task suggested to pupil using ICT to record their radio adverts, with an accompanying leaflet. I then used the task for some peer assessment linking it to national curriculum attainment targets.
Pupils reponded well to the subject and were very enthusiastic about recording themselves. A question and answer plenary demonstrated that the pupils gained a good understanding of the link between distribution and resources.
Excellent fun - will definately use it again
Reviewer: Michelle Wake
Mite Attack
May 25th, 2005
I used this with Year 7 pupils whilst doing work on adaptation. They enjoyed the activity because it was a fun way of learning. It enables us to remember this science because it was relevant and fun. It was useful dor those pupils who suffer from asthma. They have learnt some interesting facts about how much you sweat at night , for exampne. It was good because it was creative.
Reviewer: Jane Briggs
Dust mites
Mar 25th, 2005
This was used with a low ability group, while I was on supply. Many of the class had asthma and they could see the relevance of the work to themselves. They were engaged with the information on the cards as they were reading and sorting them. There were many comments on the information which showed what they were learning. They enjoyed doing the advertising poster and felt that the task was within their capabilities.
An activity that worked well with good discussion and learning.
Reviewer: Tanya Dempster
200 lessons and assessments from as little as £4.95
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