In deze les zitten 32 slides, met tekstslides en 1 video.
Lesduur is: 50 min
Onderdelen in deze les
Brain Teasers
Slide 1 - Tekstslide
A window cleaner was cleaning the windows on the 25th floor of a skyscraper, when he slipped and fell. He wasn’t wearing a safety harness and nothing slowed his fall, but he wasn’t injured.
Brain teaser
Slide 2 - Tekstslide
Why wasn’t the worker injured?
He was cleaning the inside of the windows!
Slide 3 - Tekstslide
In a year there are 12 months. 7 months have 31 days.
Brain teaser
Slide 4 - Tekstslide
How many months have 28 days?
They all do.
Slide 5 - Tekstslide
You are on the bank of a river. You have to get a fox, a hen, and corn to the other side of the river. If left alone, the fox will eat the hen, and the hen will eat the corn if left alone. The boat is only big enough to take you and one other three to the other side.
Brain teaser
Slide 6 - Tekstslide
How do you get all 3 across intact?
Answer: First take the hen across. Leave the hen. Go back and get the fox. Take the fox to the other side. Leave the fox there, but take the hen with you back to get the corn. Leave the hen and take the corn to the other side. Drop the corn off with the fox, then go back to get the hen. Bring the hen to the other side. All 3 make it fully intact!
Slide 7 - Tekstslide
Please add the following numbers in your head.
Start with 1000.
Add 40
Add 1000
Add 30
Add 1000
Add 20
Add 1000
Add 10
Brain teaser
Slide 8 - Tekstslide
Write down your answer.
Answer: Many will get 5000. But the actual answer is 4100!
Slide 9 - Tekstslide
What are the next 3 letters in the following sequence?
J, F, M, A, M, J, J, A, __, __, __
Show Answer
Brain teaser
Slide 10 - Tekstslide
Answer: S, O, N The sequence is first letter of the months of the year. September, October and November are the next in the sequence.
Slide 11 - Tekstslide
Jimmy's mother had 4 children. She named the first Monday. Named the second Tuesday. The third is named Wednesday. What is the name of the fourth child?
Brain teaser
Slide 12 - Tekstslide
Answer: Jimmy. "JIMMY'S MOTHER had 4 children"!
Slide 13 - Tekstslide
An Arab sheik is old and must will his fortune to one of his two sons. He makes a proposition. His two sons will ride their camels in a race, and whichever camel crosses the finish line LAST will win the fortune for its owner. During the race, the two brothers wander aimlessly for days, neither willing to cross the finish line. In desperation, they ask a wise man for advice. He tells them something; then the brothers leap onto the camels and charge toward the finish line. What did the wise man say?
Brain teaser
Slide 14 - Tekstslide
Answer: The rules of the race were that the owner of the camel that crosses the finish line last wins the fortune. The wise man simply told them to switch camels.
Slide 15 - Tekstslide
A man is looking at a photograph of someone. His friend asks who it is. The man replies, "Brothers and sisters, I have none. But that man's father is my father's son." Who was in the photograph?
Brain teaser
Slide 16 - Tekstslide
Answer: His son.
Slide 17 - Tekstslide
Slide 18 - Video
1. Watch the news item and write down what it is about.
This news item is about a simulation exercise in which paramedics use jetpacks to get to patients quicker in areas that are hard to reach.
Slide 19 - Tekstslide
2. Watch the news item again and tick the correct answer to the question below. Sometimes, more than one answer is possible.
a) What vehicles do paramedics normally use for emergency care?
an ambulance, a motorbike, a helicopter
b) When should this jetpack ideally be used?
for short distances with steep hills
Slide 20 - Tekstslide
c) How long did it take for the paramedic to reach his patient?
90 seconds
d) How long would it have taken to reach the patient on foot?
25 minutes
e) Is this jetpack safe to use?
Very. If the paramedic falls, he will surely survive.
Slide 21 - Tekstslide
3. How does the jetpack work exactly? Explain in your own words.
You wear microjet engines (two on each arm, one on the back) which blow air downwards. This lifts you up from the ground and then you use your arms to move around.
Lesduur is: 50 min
