# 1-3 Digital textbook and basic skills

Basic skills and pressure
(p. 17)
Bluetooth
- ON
- VPN off

Stationary
- textbook and writingbook
- Pen, pencil
- Calculator
CLASSKICK
- YES

Lessonup
- YES
Schoolbags in
the cuboard
Phones in the phone bag
1 / 26
Slide 1: Tekstslide
NatuurkundeMiddelbare schoolvwoLeerjaar 3

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

Lesduur is: 50 min

## Onderdelen in deze les

Basic skills and pressure
(p. 17)
Bluetooth
- ON
- VPN off

Stationary
- textbook and writingbook
- Pen, pencil
- Calculator
CLASSKICK
- YES

Lessonup
- YES
Schoolbags in
the cuboard
Phones in the phone bag

#### Slide 1 -Tekstslide

Lesson goals:

• How do you solve a problem/ question in natural science.
• Determine the circumference and surface area of different shapes.
• Calculate pressure, force
and surface area.
• Determine if equilibrium
is stable.

Circumference

Circumference

#### Slide 5 -Tekstslide

Surface area
square = length x length
rectangle= length x width
tringle= 1/2 x base x perpendicular height
circle =

#### Slide 6 -Tekstslide

Example 1
A circle has a radius of 3 cm. Calculate the surface area and circumference of this circle.

#### Slide 7 -Tekstslide

Example 2
A square has a surface area of 55cm. What is the circumference of this square?
2

#### Slide 8 -Tekstslide

Example 3
A circle has a surface area of 20cm. What is the circumference of this circle?
2

Conversion
Distance or mass

Surface area

#### Slide 12 -Tekstslide

Convert 6 cm to meter...
A
60
B
6
C
0,6
D
0,06

#### Slide 13 -Quizvraag

Convert 5 meters to kilometers
A
5 000
B
500
C
0,005
D
0,0005

#### Slide 14 -Quizvraag

Convert 600 m to hectares
3
A
6
B
0,6
C
0,06
D
0,006

#### Slide 15 -Quizvraag

concert 40 km to m
2
2
A
4 0
B
40 000
C
4 000 000
D
40 000 000

#### Slide 16 -Quizvraag

Convert 4,3 dm to liters
3
A
0,0043
B
4,3
C
4 300
D
4 300 000

#### Slide 17 -Quizvraag

Convert 20 mL to liter
A
0,02
B
200
C
2 000
D
20 000

#### Slide 18 -Quizvraag

The surface are of a triangel with a base of 3cm and a perpendicular height of 4,5 cm is ...
A
6,75 cm
B
13,5 cm
C
0,67 cm
D
7,5 cm

#### Slide 19 -Quizvraag

What is the surface area (in cm ) of a circle with a diameter of 5 cm?
2
A
78,5
B
19,6
C
25
D
20

#### Slide 20 -Quizvraag

What is the radius of a circle with a surface area of 450 m ?
2
A
143 m
B
12 m
C
72 m
D
21 m

#### Slide 21 -Quizvraag

A swimming pool with a surface are of 1 250 m has a length of 50 m. what is the width?
2
A
1 200 m
B
62 500 m
C
20 m
D
25 m

#### Slide 22 -Quizvraag

A circle with a radius of 30 cm is
enlarged 3 times. What is the
surface area of the enlarged circle in cm?

2
A
2 827
B
942
C
8 482
D
25 447

Classkick 2HV-1
Basic skills
slide 1 and 2

#### Slide 24 -Tekstslide

Homework
Digital texbook, online
make questions 1, 2, 4, 6, 9, 11
and the test yourself of paragraph 1-1

What have you
learned today?