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Learning
Quest > Occasionally
- The Occasional Carnival > What
Happens? |
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Introduction | When
Active | When Eating | Keep in Mind |
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Introduction
There is no easy answer when you
ask, “what happens when I eat or
when I am physically active”? However,
in this stage, ‘What Happens’,
of the Learning Quest you will be investigating
further what happens in and to your body
when we eat and are active over time.
You will also make predictions about
what happens to your body in the short
term (after a few minutes).
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When
Active
 In pairs list your ideas for the following
task. Your teacher will help you form these
groups.
 Step 1 – Discuss what you think happens
to your body when you are active?
Step 2 - Take your pulse before the activity.
Your teacher will instruct you on the best
way to take your pulse. Your pulse is the
number of times you heart beats per minute.
Follow your teacher’s instructions
to complete the One Minute Run On The Spot
Activity (remember to start slowly and
gradually increase your speed). Take your
pulse again when you have finished.
Step 3 - List the changes to your body, consider
your:
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Breathing |
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Heart / pulse
rate |
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Temperature |
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Any other changes |
Are these the same as what you discussed in
Step 1?
Step 4 - Use the What Happens, When Active
record
sheet to help record your information.
Is what you thought would happen the same as
what really happened?
Use the websites below to help build up
your ideas of what happens when you are active.
BBC Health: Kid’s Heath (just for
kids): Body Matters – breathing
http://www.bbc.co.uk/health/kids/breathing.shtml
Brain POP
Choose from – fitness, circulatory
system and heart
http://www.brainpop.com/health/seeall.weml
Inner Body
Choose from - cardiovascular system and/or
muscular system
http://www.innerbody.com/htm/body.html
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When
Eating
Have you thought about what happens to
your food after you have swallowed it and
it passes through your body?
Let’s Investigate:
Where does the food go when eating?
Track the food and where it goes following
the steps below. You will be working in groups
of 4 – 5. Your teacher will help form
groups. You will need a large sheet of paper,
textas, highlighters, pencils, cup of drinking
water and a piece of food.
Step 1 – Ask one of the members of
your group to lie on a large piece of paper
on the floor. Trace around the whole body
from head to toe.
Discuss and roughly place the major body
parts within the shape eg. mouth, oesophagus,
stomach, small intestine, large intestine.
You may need to do some quick research for
this. The websites below will help – some
of them are interactive:
BBC Health: Kid’s Heath (just for kids):
Body Matters – eating and digestion
http://www.bbc.co.uk/health/kids/eating.shtml
Inner Learning Online – Digestive
System
http://www.innerbody.com/image/digeov.html
The Digestive System
Organ labels, organ functions, organ names,
system diagram
http://www.whfoods.com/digestion.swf
http://www.kidshealth.org/kid/body/digest_noSW.html
Brain POP
Choose from – digestion, digestive
system, your body and body weight
http://www.brainpop.com/health/
Step 2 – From what you have learnt from
the above website, lets try to work out the
path that food takes from the time you put
it in your mouth. Can
you highlight the main parts of the body that are involved in digesting foods?
Have you found out any information about the different stages of digestion?
Step 3 – In your group discuss this
path and draw it inside the outline of your
body.
Step 4 – Use a diagram to show step
by step what happens in each stage: Where
the food goes ….? What happens to the
food there? Is there any other evidence as
to what happens to the food? eg. going to
the toilet, bodies grow, fuelled up to be
active etc. Have you discovered any new words
or concepts?
Step 5 – As a class, share each other’s
findings – discuss similarities, differences
and interesting points from each group’s
presentation.
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Keep
in Mind
A healthy heart beats regularly, but sometimes
it beats more quickly than usual. The number
of times per minutes it beats is your pulse
rate. How many beats per minute does your
heart go when you rest, eat, drink or are
physically active?
Work in groups of three (3). Your teacher
will help form this group. Each of you
will be taking on a task, recording and
making predictions about your pulse rate.
Decide in your group which task each
of you will do:
Everyone in the group will take your pulse
at rest and record it before you start.
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Member 1 will eat
something – take pulse and
record. |
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Member 2 will drink
something – take pulse and
record. |
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Member 3 will run
on the spot for one (1) minute. |
Check
pulse
immediately
after
you
finish
each activity. What happens? Use the Pulse
Rate Record Sheet to help record your results.
Make predictions or try calculating …
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How many times does
your heart beat each day, week, month? |
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What is your prediction
for each? |
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How did you make this
prediction? |
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Is there a difference
between each of your class mates’ resting
pulse? Between boys and girls? |
Plot the results or draw a graph of what
you found. You could enter your results into
a spreadsheet program such as MS Excel and
use the chart wizard to create some simple charts.
Your body is the ultimate machine but it
is important that you keep your body fuelled
up and you understand what happens when you
eat, drink and you are physically active.
Whether you hit the court, the oval, the
track or your backyard to get some physical
activity, you’ll need some fuel to
keep you going. No matter what physical activity
you do, you should always be sure to drink
plenty of water – before you start,
during the activity and after you’re
done, even if you don’t feel thirsty.
Also you should eat a balanced diet having
foods from each of the five food groups.
Reflect on what you have learnt
and work with one (1) other person to pick
the
right
answer
to these questions.
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