1 shu uk plants in space
DESCRIPTION
The presentation from United KingdomTRANSCRIPT
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Plants in Space
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Meet the team!Adele – RESULTS MONITOR
T’Yana - TECHNICIAN
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Meet the team!Evie – TEAM LEADER
Rosie – PUBLICITY MANAGER
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What’s our idea?• We decided to focus on light
• Our Aim - to find out if the colour of the light would affect the growth of the plant.
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Photosynthesis• Key theme of the project – plants photosynthesising to help the astronauts in space.
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Why we focused on plant growth in different lights.• It interested us!
• Research told us that it would be an effective way to grow plants.
• We have previous knowledge of which lights plants absorb.
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EQUIPMENT• Blue and red acetate.
• Cress seeds• Soil
• Plastic tubs• Seed trays• Lamp
• Pipettes
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Did we succeed?• We did the experiment twice, to
double check our results.
•3 is the magic number.
(3 times is always best!)
• Control variable
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Our results
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Our results
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Advancing our experiment
Test on different plants. Continue using blue light.
Control the control variable more tightly.
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Some examples of what we would use…
Buckwheat
Kale
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So how did we advance our investigation?
Same experiment
Same control variable
New independent variables
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Light intensityWe used a smart phone app to monitor light intensity under all three boxes.
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KALE
Colour of filter
Avera
ge n
um
ber
of
kale
gro
wn
1.24 lux 2.48 lux 1.17 lux
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BUCKWHEATAvera
ge n
um
ber
of
buck
wheat
gro
wn
Colour of filter
1.24 lux 2.48 lux
1.17 lux
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CRESSAvera
ge n
um
ber
of
cress
gro
wn
clear blue red0
5
10
15
20
25
30
35
40
Number of Cress Grown
1.24 lux 1.17 lux2.48 lux
Colour of filter
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PROBLEMS WITH OUR RESULTS
• Plants left in different positions
• Buckwheat needed different conditions to grow
• Couldn’t get accurate readings with measurements
• Couldn’t control temperature
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SO WE CHANGED OUR
EXPERIMENT AGAIN
!
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• Just concentrated on Cress.
•Left the plants in the same positions with the same light intensity.
•Same number of seeds in each tray.
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B a c k T o B a s i c s
clear blue red0
2
4
6
8
10
12
14
Colour of filter
Avera
ge n
um
ber
of
cress
gro
wn
Back To Basics
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Bibliography • Controlling Plant Growth. BBC Bitesize. [online]
http://www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/living/controlplantgrowthrev1.shtml
• Red and Blue Light effects on plants. eHow. [online] http://www.ehow.com/info_7930505_red-blue-light-effects-plants.html
• Growing cress. GrowVeg.com [online] http://www.growveg.com/growblogpost.aspx?id=307
• The Truth About Kale. WebMD. [online] http://www.webmd.com/food-recipes/kale-nutrition-and-cooking
• 10 Health Benefits of Buckwheat. Care2. [online] http://www.care2.com/greenliving/10-health-benefits-of-buckwheat.html
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Danke fürs Zuhören!(thank you for listening!)