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Take a photo of you and your partner, write your names and express how you feel with an emoji.

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Formulate your research question (=the question you are going to investigate).

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Make a prediction to answer your research question. Say why you made this prediction.

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a) Identify the variable in your investigation that you will intentionally change - independent variable.
b) Identify the variable in your investigation that you will measure - dependent variable.
c) Identify the variable in your investigation that you will keep the same - controlled variable.

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Decide how you will record and present your results (it is highly recommended to collect your results in a table).

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Now carry on your investigation and collect your results. Don't forget to take a picture or two to show how you carried out your investigation (when you exercised and measured pulse rate).

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What conclusion(s) can you make from your results?

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Please think about the question below and answer them in full sentences.
a) Did we work together to plan and carry out the investigation?
b) What was best about this investigation?
c) What was challenging about this investigation?
d) What could you improve next time?
e) On the scale 0% to 100% how well can each of you explain the difference between pulse and heart rate (pulse rate)?
f) Can you measure pulse rate (heart rate)? Do you need some help, a lot of help or you can do it independently?

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Nina,😶
Ivana,🫰🏻

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Leonie 💁🏼‍♀️Stella🤦🏼‍♀️

(1)

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Ester: 🦭😄🦍
Anabel: 😜🐬

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Jonas🤪
Lukas🥶🗿
Max😏

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Ella😊,Zoe🎃👻😋,Oliver😝

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How does exercise affect the heart rate?

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2. How does exercise affect the heart rate?

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2. How does exercise affect the heart rate?

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How does exercise affect the heart rate ?

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How does exercise affect the heart rate?

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How does exerise affect the heart rate?

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Your body needs more blood and oxygen so the heart needs to contract and relax more times a minute than when you are resting. So we predict the heart rate after the exercises will be higher than it is when you are resting( around 150 bpm).

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2. How does exercise affect heart rate?

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3. We predict that the bpm will increase by 15-30 bpm because we think that if u exercise your body needs more oxygen nutriens in the blood. And we think that more than 30 is too much and less than 15 is too low 

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3. We predict that the bpm will increase by 15-30 bpm because we think that if u exercise your body needs more oxygen nutriens in the blood. And we think that more than 30 is too much and less than 15 is too low 

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(I pridict after exercise the heart bpm will be higher.

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We predict that after exercise our bpm will be higher because our body will needs more blood with oxygen and our heart will pumps more. When we will rest our body don’t need that much blood with oxygen and heart will pumps slower.

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We think that our body needs oxygen and blood so
when the heart contracts it pumps faster than when it relaxes. So we think that after we exercise our heart rate will be higher

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We predict that when we will exercise our bpm will increase because our body needs more oxygen and food. Why? Because we are exercising.

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Resting heart rate 54 bpm

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Independent variable: type of activity

Dependent variable: heart rate (bpm)

Controlled variable: ° the same person doing the exercise
°the same resting times
° the same duration of activity (same
number or time of the exercises)

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We think our body needs oxygen and food so when the heart contracts it pumps faster then when it relax

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10 push-ups 124bpm

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1. Measurement: When Ester relaxed for 30sec the heart rate was 80bpm

2. Measurement: When Eater did jumping jacks for 30sec her heart rate was 154bpm

3. Measurement: When ester ran for 30 seconds the heart rate was 170bpm

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Skipping 173bpm

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Stella relaxed for 20 seconds and she had 81bpm

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Zoe did all of these exercises.
1 min rest-75bpm
1 min run-120bpm
1 min rest-94bpm
1 min jumping jacks-170bpm
1 min rest-105bpm
1 min squats-173bpm
1 min rest-127bpm

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1 min jumping jack rate:160bpm
1 min rest rate:105bpm
1 min squats rate:156bpm
1 min rest rate:98bpm

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Zuzka did
1. resting= 88 bpm
2. 35 jumping jacks= 140 bpm
3. 15 squat with jump= 157 bpm

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Our table

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Dependent variable-we measured bpm
Independent variable-rest,run,jumping jacks and squats
Controlled variables- we kept the same person and same time of doing exercises

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Dependent variable: bpm
Independent variable: the type exercise
Controlled variable: the same person and the same number of exercises

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Dependent variable - we measured the BPM

Independent variable - resting heart rate, push-ups, skipping

Controlled variables - the same person was doing all the exercises

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Dependet-heart rate (bpm)
Independent-type of exercise

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Slay Ester running

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When u relax your heart beat will be lower because ur body will don’t need that much blood, but when u exercise ur body will need more blood so ur heart will pumps more.

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Our conclusion: when you do an exercise your heart rate goes up and when you rest it goes down again.

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When you exercise your body needs more oxygen and nutriens so your bpm goes up

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When you are resting the heart rate goes lower and when you exercise the heart rate goes higher

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7. The heart rate is the lowest when we are resting. When we exercise the  BPM will be higher.

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7. The heart rate is the lowest when we are resting. When we exercise the  BPM will be higher.