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Slide 1: Tekstslide
Nask / TechniekMiddelbare schoolmavo, havo, vwoLeerjaar 2

In deze les zitten 26 slides, met interactieve quizzen en tekstslides.

time-iconLesduur is: 80 min

Onderdelen in deze les

Slide 1 - Tekstslide

Slide 2 - Tekstslide

Welcome
NTEC2

Slide 3 - Tekstslide

Check in
Coats/jackets?
Hats/caps?
Phones?
Headphones?
iPad and notebook?

Slide 4 - Tekstslide

How are you feeling today?
A
:)
B
:|
C
:(

Slide 5 - Quizvraag

Slide 6 - Tekstslide

Rough planning
lesson 1: Section 1 + 2
Lesson 2: Section 2 (Experiment)
Lesson 3: Section 2
-> Lesson 4: Section 3 <-
Lesson 5: Grade exercise
Lesson 6: Waterpump
Lesson 7: Waterpump

Slide 7 - Tekstslide

Section 3
We'll learn about hydraulics, and you will feel for yourself why hydraulics work. 
After that you will do some research on a hydraulic system.

Slide 8 - Tekstslide

Goals
- After this class you can tell me the definition of a hydraulic system.
- After this class you can name three different uses for hydraulic systems.

Slide 9 - Tekstslide

Repetition quiz
A little quiz about last week!

Slide 10 - Tekstslide

Convert
1 cm3 = ... ml
A
1
B
10
C
0,5
D
2

Slide 11 - Quizvraag

You did an exercise about density of an object. What does density mean?
(g/cm3 or kg/m3)
A
The amount of volume per mass unit
B
The amount of mass per volume unit
C
How heavy something is
D
How big something is

Slide 12 - Quizvraag

Complete the formula:
density =
A
mass / Volume
B
Volume / mass
C
mass x Volume
D
Volume x mass

Slide 13 - Quizvraag

Convert (water)
1 Liter = ... g
A
1000
B
10
C
1
D
100

Slide 14 - Quizvraag

What are the three phases?
A
water, ice, gaseous
B
solid, liquid, gaseous
C
liquid, gaseous, ice
D
solid, mist, gaseous

Slide 15 - Quizvraag

What phase?
Solid
Liquid

Gaseous
Ice
Rain
Water vapour
Steel
Mist
Cola
Air

Slide 16 - Sleepvraag

When melting a substance, you see the temperature changing.
What do you call this?
A
The melting point
B
The melting range
C
The melting area
D
The melting dot

Slide 17 - Quizvraag

Pure substance
Mixture

Slide 18 - Tekstslide

In what phase is lead at 20 degrees Celsius?
A
Solid
B
Gaseous
C
Liquid

Slide 19 - Quizvraag

If you had...
...no mistakes: Good for you!
...question 1 and 4 wrong (conversions): remake exercise 4
...question 2 and 3 wrong (density): remake exercise 5
...question 5, 6 and 7 wrong (phases): remake exercise 6
...question 8 and 9 wrong (change in phase): remake exercise 6.6

Slide 20 - Tekstslide

Hydraulics
"In hydraulics-based systems, mechanical movement is produced by contained, pumped liquid, typically through hydraulic cylinders moving pistons."

Slide 21 - Tekstslide

Examples

Slide 22 - Tekstslide

Experiment 6
Page 17
in duo's

Write down your observations.
What happens at 4 and 5?




There is a chance you will get (a little) water on yourself

Slide 23 - Tekstslide

Conclusions 
Compressing the smaller syringe was easier/harder?
When the syringes were filled with air; what happened?

Slide 24 - Tekstslide

Slide 25 - Tekstslide

Next class
Thursday: Water purification

Slide 26 - Tekstslide