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Grade 7 revision
Scientific experiments!
Variables, hypothesis and methods!!
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Slide 1:
Tekstslide
Science
Secondary Education
Age 13
In deze les zitten
26 slides
, met
interactieve quizzen
en
tekstslides
.
Lesduur is:
60 min
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Scientific experiments!
Variables, hypothesis and methods!!
Slide 1 - Tekstslide
Planning An Experiment
Step 1
: Asking a question
Step 2
:
Identifying variables
Step 3
:
The prediciton (hypothesis)
Step 4:
Equipment
Step 5
:
Method
Slide 2 - Tekstslide
Control variable:
The variables that stay the same.
Slide 3 - Tekstslide
Which type of variable do we change in an experiment?
A
Independent
B
Dependent
Slide 4 - Quizvraag
Slide 5 - Tekstslide
Slide 6 - Tekstslide
What is the independent variable?
Slide 7 - Open vraag
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Dependent variable?
Slide 10 - Open vraag
Slide 11 - Tekstslide
Slide 12 - Tekstslide
Control variables
Slide 13 - Woordweb
Our experiment!
Three beakers all with a
different
temperature will be put in a room and left for a while. One is
Hot
, one is
Cold
and one is
room temperature
.
Slide 14 - Tekstslide
Independent
Dependent
Control
Starting water temperature
Water temperature over time
Same amount of water
same kind of Beakers
Beakers placed on same surface
Slide 15 - Sleepvraag
Hypothesis
Definition
: A guess you make with the information that you already have about the outcome of the experiment.
Slide 16 - Tekstslide
What will happen to the three beakers? (Hypothesis)
Slide 17 - Open vraag
Slide 18 - Tekstslide
Example of a bad Method.
Slide 19 - Tekstslide
Slide 20 - Tekstslide
Slide 21 - Tekstslide
Write method for our experiment
(three Beakers with water)
1.
2.
3.
4.
......
Slide 22 - Tekstslide
What is a hypothesis?
A
Describes the experiment
B
The variable that we measure
C
What we think will happen and why
D
All the equipment used
Slide 23 - Quizvraag
Describe independent variable
Slide 24 - Open vraag
Every step in a method describes ...... action(s)
A
4
B
3
C
2
D
1
Slide 25 - Quizvraag
How was the lesson?
I understood everything
I need some more revising
Slide 26 - Poll
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