1.4 Demo Ballon in fles - Onderzoeksvaardigheden

Regels van orde
1e keer:  Waarschuwing --> Maximaal 3 namen op het bord
2e keer: Kleine schrijfopdracht op de gang
3e keer: Eruit, naar Loket 21

Nooit! 
Geluid uit telefoons / Oordopjes in 
Gooien
Eten/drinken 
Mutsen op / Jassen aan / Tassen op tafel  
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Slide 1: Slide
Natuurkunde / ScheikundeMiddelbare schoolvmbo b, k, t, havo, vwoLeerjaar 1-3

This lesson contains 16 slides, with interactive quizzes and text slides.

Items in this lesson

Regels van orde
1e keer:  Waarschuwing --> Maximaal 3 namen op het bord
2e keer: Kleine schrijfopdracht op de gang
3e keer: Eruit, naar Loket 21

Nooit! 
Geluid uit telefoons / Oordopjes in 
Gooien
Eten/drinken 
Mutsen op / Jassen aan / Tassen op tafel  

Slide 1 - Slide


Get your things please:                                

Slide 2 - Slide

1.4 Demo Balloon in a bottle
Research skills

  • Quiz
  • What makes a good research?
  • Demo balloon in a bottle
  • Discussion & Research Report

Slide 3 - Slide

I want to bring my marbles on an airplane trip, but I don't know if I'm allowed to bring them on the plane.
What should I measure?
A
The number, without a unit
B
The mass in the unit of kg
C
The volume in L or in m³

Slide 4 - Quiz

I am measuring some chocolate on
a digital scale in grams.

What is correct?
A
I've measured exactly 412 g.
B
I've measured between 411,9 g and 412,1 g.
C
I've measured 412,0 g.
D
I've measured between 411,5 g and 412,5 g.

Slide 5 - Quiz

Questions about the homework?
  • Homework was:

  • Read chapter 1.1

  • Do exercises 1,2,3,4,5

Slide 6 - Slide

Exchange:
The following person may explain:







V5
V2

Slide 7 - Slide

From mega to micro
  • mega                   M                 1.000.000                  million
  • kilo                        k                           1.000                   thousand
  • deci                      d                                   0,1                one tenth               1/10
  • centi                    c                                    0,01             one hundredth    1/100
  • milli                      m                                  0,001           one thousandth  1/1000
  • micro                  µ                                    0,000 001  one millionth        1/1.000.000

Slide 8 - Slide

Learning objectives

  • You can write down how to do scientific research in a
      structured 
    way.

  • You can write down observations and a conclusion of
      research you did.

Slide 9 - Slide

Balloon in a bottle
What do we have?
A balloon in a bottle.

What will we do?
Suck the air out of the bottle.
Make a structured scientific report about this experiment.

Slide 10 - Slide

Doing research - structured
  1. Research question
  2. Hypothesis / Prediction
  3. Apparatus Beware: Apparatus means 'inrichting', 'benodigdheden',
    NOT 'apparaat'!
  4. Method
  5. Observations
  6. Results & Conclusion
  7. Suggestions

Slide 11 - Slide

Doing research - structured
  1. Research question: A question that describes what you want to find out.
  2. Hypothesis / Prediction: Describe what you predict the answer to be.
  3. Apparatus: Describe what you need.
  4. Method: Describe what you will do.
  5. Observations: Describe what you see, hear, smell, taste, feel.
  6. Results & Conclusion: Try to explain the observations.
    Answer the research question if possible.
  7. (Suggestions: You can make suggestions about further research.)

Slide 12 - Slide

Homework


Read chapter 1.4

Do exercises
35, 36, 41, 45 of chapter 1.4
 = Homework
..:..

Slide 13 - Slide

Measuring: Always inaccuracy

Slide 14 - Slide

Quantities & Units
quantity
symbol
unit
abbreviat.
m. instrum.
mass
m
kilogram
kg
scales
volume
V
litre
L
graduated cylinder
length/distance
l / s
metre
m
ruler, measuring tape
temperature
T
degree Celcius
 °C
thermometer
time interval
t
second
s
clock, stopwatch
number
-
-
-
counter

Slide 15 - Slide

Slide 16 - Slide